JPH02226962A - Area specified image reading device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an image reading device that reads an image of a document placed on a substantially flat surface as a two-dimensional image. The present invention relates to an area-designated image reading device capable of performing arbitrary image processing.

[Prior Art] Conventional examples of this type of image copying apparatus include, for example, Japanese Patent Application Laid-Open No. 63-99670 and Japanese Patent Application Laid-Open No. 60-1430.
A device disclosed in Japanese Patent No. 62 is known.

[The section that IA Akira is trying to solve! II] Japanese Patent Publication No. 63-9
In Japanese Patent No. 9670, a polygon of any shape can be set as a processing area by sequentially inputting two-dimensional coordinates. However, it is not possible to set a curved shape such as a circle, and when inputting an arbitrary region shape with this type of device, the human sense of coordinate recognition is generally not very accurate, so the operator can set the desired shape. It is difficult to enter the coordinates exactly as shown. In order to input an accurate polygon, for example, it is necessary to place a template with the desired shape on a coordinate input device and trace it to specify the area, which is a cumbersome operation. It is.

Furthermore, in Japanese Patent Laid-Open No. 60-143062, each coordinate of the area to be copied can be specified on the image displayed on the screen, so that the image and the area to be copied can be accurately aligned. However, since the original must be reloaded face down (turned upside down) on the scanning surface of the device, it is not possible to see the positional relationship between the scanning surface and the image on the document until after the image has been read. Therefore, when you want to copy a part of the original that is larger than the scanning surface, alignment becomes difficult and problems such as the image protruding or tilting occur, so it is necessary to repeat the correction of the position and tilt of the original and the image reading operation. The copy operation is time-consuming. Furthermore, as with the conventional example described above, it is difficult to specify accurate coordinates, and it takes a lot of effort to set a clear specific shape without distortion or inclination as the shape of the region.

Therefore, the present invention is directed to this type of image reading.

A common problem is to easily and accurately specify an image processing area for a read image.

1: Means for solving ilM] In order to solve the above-mentioned common problem, in the present invention,
An imaging means that can be freely placed on any document and reads the original image by dividing it into pixels; a holding means that holds independent processing parameters for each image area; information on the image read by the imaging means; Image processing means for performing image processing of the content specified on the holding means; area information storage means for storing information indicating at least the shape of a plurality of types of regions; input means for inputting various instruction information; display means; Imaging means 2 controls the image processing means, area information storage means, input means, and display means, displays visible images of a plurality of areas stored in the area information storage means on the display means, and selects one of the displayed areas. Selecting the area specified by the input means, setting the position of the selected area to the position specified by the input means, and assigning it to the holding means of the image processing means in association with each of the set areas. Set processing parameters. Provide electronic control means;

[Operation] According to the present invention, the shape of the area to be subjected to image processing is
Since multiple shapes are stored in the area information storage means, by selecting one of these shapes, there is no need to input each coordinate of the area, and a specific shape that is accurate and clean without distortion can be created with an extremely simple operation. Can be specified.

In a preferred embodiment of the present invention, the area information storage means includes a read/write memory, and two-dimensional I! input by the operator is provided. ! Any shape specified by the target group can be registered as a region shape on region information storage means. According to this, even when specifying an arbitrary shape with little regularity as a region shape, if it is registered, the region can be specified later by simply performing a selection operation.

In a preferred embodiment of the present invention, the display means has a display surface that is light-transmissive, and is arranged so as to face the document surface, so that visible information indicating the range of the area is displayed. Display on display means in actual size. According to this, it is possible to simultaneously view the image on the document and the visible image of the area to be image processed on the display means, so that the range of the specified area and the image on the document can be viewed simultaneously. Positioning can be performed extremely easily and accurately.

Therefore, even if accurate alignment is required, there is no need to repeat document position change and image reading for alignment, and image processing for the desired area can be performed accurately with one alignment and image reading. can be done.

Other objects and features of the present invention will become apparent from the following description of embodiments with reference to the drawings.

[Embodiment] FIG. 1 shows the appearance of one usage mode of an image processing system implementing the present invention.

The system shown in FIG. 1 is composed of a personal computer 90 and an image processing terminal device 1340. Referring to FIG. 1, a personal computer 90 has a keyboard 91 . Plasma display92. Floppy disk device 93. It has an external wired interface 94 and an external wireless interface 95. Also inside,
It is equipped with a CPU (microprocessor), main memory 1, hard disk device, etc. (not shown). The external wireless interface 95 uses ultrasound as a signal carrier to transmit signals to and from external devices.

In this example, an image processing terminal bag W1340 is connected to the external wired interface 94 of the personal computer 90 via a connection cable 244. This image processing terminal device i! 340 implements the invention.

Image processing terminal device! Roughly divided, 340 has the following three functions. That is, the first function is an image reading function, which scans the image on the surface of the original (10), sequentially reads the information of the image separated into pixels, and transfers the image data to an external device ( In this example, it is output to a personal computer 90). The second function is an image recording function, which receives image data of characters and pictures input from an external device (personal computer 90 in this example) and saves the image as a permanent image on the recording medium (10). Record as. The third function is a copy function, in which the image processing terminal device 340 alone reads an arbitrary document image and records the image as a permanent image on an arbitrary recording medium.

In addition, in this specification, the above-mentioned No. 1. The second and third functions are referred to as scanner mode, printer mode, and copy mode, respectively. Also, in copy mode,
Since the reading operation and the recording operation are not performed at the same time, the former operation stage is called the reading stage, and the latter operation stage is called the recording stage.

Note that the scanner mode and printer mode can be used not only for online operation using an external device such as the personal computer 90, but also for one image processing terminal device [! Off-line operation of the H.340 alone is also possible.

In that case, the image data read in the scanner mode is stored on the floppy disk via the floppy disk drive 227, and in the printer mode, the image data read from the floppy disk is output and printed.

Furthermore, if two image processing terminal devices 340 are used, and they are connected to each other by wire or wirelessly, and one device operates in scanner mode and the other device in printer mode, the image is recorded at the same time as the document image is read. (Print). This operation is called pack-to-back mode.

Image processing terminal device! 340, as shown in FIG. 1, can be placed on a document on which an original image to be read is recorded or on a recording medium (10) to be printed. In addition, in this example, the image to be read is the original (10
) Image processing terminal bag, not limited to the image above! An image processing terminal placed on an arbitrary plane (10) that can image a three-dimensional object as a two-dimensional image and read the image data even if it is a three-dimensional object located far away from t340. bag! ! 340 can be moved over its surface automatically by a drive mechanism or manually.

Next is the image processing terminal device! The specific configuration and operation of 340 will be explained. Figure 2 shows the image processing terminal device shown in Figure 1! 3 shows an outline of the configuration of its electric circuit, and FIG. 4 shows the arrangement of an image reading optical system and a recording system.

Referring to FIG. 3, the image processing terminal device 340 includes M
PU (microprocessor) 222° ROM (read only memory) 223. RAM (Random Access Memory) 224. DMAC (DMA controller) 225
．． INTC (interrupt controller), external interface unit 240, floppy disk drive 227
1 main drive unit 214. I10 boat 230
゜Image reading unit 1802 Image processing unit 280I
Image memory 140. Recording unit 160° display, input crab nits 100. Display memory 127° LCD drive 126. Font memory 232° timing/area signal generation unit 231. A power supply unit 228 and a battery 229 are provided.

Note that the system bus 221 includes an address bus.

Contains various signal lines and power lines for the data bus and controller bus. In reality, further components such as a bus controller and a clock generator are required, but they are omitted in FIG.

The MPU 222 is a 32-bit microprocessor, and controls the entire image processing terminal device 340 through software processing. A basic operating program necessary for the software processing is stored in the ROM 223 in advance. In addition, various data required for control and special programs that do not exist on the ROM 223 are stored in the RAM allocated to the work memory area.
It is read and written on H.224.

DMAC225 is a device other than MPU222! For example, the INTC 226 performs DMA control when the floppy disk drive 227 dominates the system bus 221. The INTC 226 also processes interrupt request signals generated by various devices and controls interrupt operations of the MPU 222. The external interface unit 240 connects an external device and an image processing terminal device via a plug 242 or an antenna 243! 340.

The font memory 232 is a ROM that stores data indicating dot patterns of various characters in association with each character code in advance, and when a character code is input as one image information, it develops it into a bit pattern. used for.

An optical sensor 251°, a magnetic sensor 252, and switches 253 to 258 are connected to the I10 boat 230.

The image reading unit 180 includes an imaging module 182. As shown in FIG. 4, this imaging module 182 includes three sets of solid-state imaging units (COD) 182.
a, 182b and 182c. 182a is
It includes a group of 2048 image sensors arranged in a row in the direction of arrow X, and specifically has the configuration shown in FIG. 15. In other words, the solid-state imaging unit 182a is -
It operates as a dimensional image sensor. The spectral sensitivity of this is approximately -1, that is, panchromatic. This unit is particularly used when reading an original image as high-density monochrome data.

182b is 204 arranged in a row like 182a.
It includes a group of eight image sensors, and furthermore.

R (red), G (green) and B (
The bandpass optical filters for blue) are R, G, and B.

They are repeatedly arranged in this order: R, G, B, R... Therefore, three image sensors can read the color information of one pixel separated into R, G, and B, and 182b is
Color information of 682 pixels in the axial direction can be read.

182c has a group of 1024x1024 image sensors
and are arranged two-dimensionally in the Y-axis direction.

Furthermore, R, G, and B color band-pass optical filters are provided on each light-receiving surface of the image sensor.

They are repeatedly arranged in this order: R, G, B, R... Therefore, 182c is 341X in the X-axis and Y-axis directions.
Color information in a two-dimensional area of 341 pixels can be read. The structure of this solid-state imaging unit 182c is shown in FIG. 16, and this unit 182c is used when reading an image from a three-dimensional object or a very large original.

These three imaging units are individually controlled by a drive circuit 185 that is integrated with the imaging module 182. Two imaging units 182a and 182b
The image capturing units 1B and 2c simultaneously perform image reading and output the read image data at the same time, but while these are performing the reading operation, the remaining image capturing units 1B2c do not read images. When performing this, two imaging units 182a and 182
The read operation of b is not performed.

As shown in FIG. 2, a zoom lens 190 is provided at a position facing the imaging module 182. The i-image module 182 is supported in a slidable manner in the Y-axis direction, and as shown in FIG.
The optical axis of the optical system including the imaging unit 182a can be positioned at either a position facing the center of the imaging unit 182a or a position facing the center of the imaging unit 182c. This positioning is switched by the operator moving a slide knob 188 provided above the imaging module 182.

The location of the imaging module 182 is determined by
Identification is performed by a reflective optical sensor 251 detecting a reflective pattern (not shown) provided on the substrate of the drive circuit 185, and the identification result is read by the MPU 222.

As shown in FIG. 4, a zooming motor (ZMOT) capable of forward and reverse rotation is mounted on the outer periphery of the cell of the zoom lens 190.
195 is mounted. 20 The motor 195 is a servo motor, and is equipped with a rotary encoder that generates two-phase signals for identifying its rotation amount and rotation direction. This motor 195 is connected to the MPU 222 via a controller/driver 196, and drives the zoom lens 190 so that it has a focal length instructed by the MPU 222.

The zoom lens 190 also includes a focusing motor 1.
93 is coupled and is driven to an appropriate position depending on the position of the subject (10°20).

This focusing muscle is a so-called autofocus method, and the MPU 222 controls the focusing motor 193 based on the image captured by the imaging module 182 to automatically adjust the position of the lens 190. The focusing motor 193 is mounted on the outer periphery of the vericoid 19I fixed to the main body 200. Further, it is a servo motor capable of forward and reverse rotation, and is equipped with a rotary encoder that generates two-phase signals for identifying the amount of rotation and the direction of rotation.

The optical system includes a fluorescent lamp 1 used for illuminating the original (10) and backlighting the liquid crystal display panel 121, which will be described later.
It is equipped with 94. The light intensity of this is the imaging module 1
Based on the brightness of the image data captured by 82, the MPU 222 controls the light control circuit i95 to automatically adjust the brightness.

Referring to FIG. 3, an image processing unit 280 is connected to the output terminal of the image reading unit 180. The image processing unit 280 is a hardware circuit that can perform various types of image processing in real time substantially simultaneously with image reading, and has a configuration as shown in FIG.

Referring to FIG. 6, the image processing unit 280 includes processing units for shading correction, spatial filtering, gamma correction, two-color correction, scaling, shifting, dither processing, and trimming. Note that a multiplexer 289 selects data obtained from either the output of the shading correction unit 285 or the system bus 221 and applies it to the spatial filter unit 281.

Each unit 1- constituting the image processing unit 280 is configured such that various parameters for one image processing that are controlled by the MPU 212 via the system path 221 can be changed, and can be set arbitrarily by the MPU 222. ing.

Therefore, in image processing that involves special image processing, parameters are set such that only shading correction is performed on the image processing unit 280 on the image data read by the imaging module 182, and nothing else is done. After storing data in the image memory 140,
It is also possible to perform special image processing through software processing of the PU 222.

For example, when performing enlargement or reduction processing at a very high magnification, it is necessary to significantly increase or decrease the sub-scanning speed of the imaging section or recording section. Problems tend to occur at points. In such a case, by using software processing that is unrelated to the scanning speed, high-quality scaling processing becomes possible, although the processing speed becomes slower.

Spatial filter unit 28 within image processing unit 280
1. Gamma correction unit 2821 Color correction unit 283
．． The variable magnification unit 284 and the dither processing unit 288 each include a plurality of sets of processing circuits therein. Different parameters can be set simultaneously in these plurality of sets of processing circuits, and a plurality of types of processing can be executed simultaneously. However, each unit has only one processing circuit that actually outputs processing results. The selection of the processing circuit that actually outputs the processing result is performed by the selection circuit 5ELL.
~5EL5, these selection circuits 5E
LL to 5EL5 are connected to a timing/region signal generation unit 231 via a system bus 221, and their selection states are sequentially switched in accordance with the signals outputted by the timing/region signal generation unit 231, that is, in synchronization with the scanning position.

The image memory 140 is a bitmap-structured read/write memory for storing image data, and has a storage capacity sufficient to store one page of images.

In the scanner mode, the image memory 140 operates as a buffer memory that temporarily stores image data read by the imaging module 182. In this case, the image data stored in the memory is then transferred to an external device, such as the personal computer 90, via the data bus 221 and the external interface unit 240.

In the printer mode, the image memory 140 temporarily stores image data transferred from, for example, the personal computer 90 via the external interface unit 240. Note that character codes and graphic vector data are written after being converted into bit image data by a predetermined conversion program.

In the copy mode, in the reading stage, the imaging module 182 operates as a buffer memory that temporarily stores read image data, and in the recording stage, it operates as a memory that outputs the stored image data.

As shown in FIG. 3, a recording unit 160 is connected to the output terminal of the image memory 140. This recording unit 160 includes an on-demand type inkjet recording element. In this example, in order to enable full color recording, Y (yellow), 2M (magenta), C (
four inkjet recording heads 161Y of cyan) and K (black).

161M, 161G and 161K are provided.

Referring to FIG. 2, the recording head of each color and the partitioned booth of each color of the ink tank 165 are connected by pipes 162Y, 162M, 162C, and 162, respectively. Each inkjet recording head includes an ink ejection nozzle and a drive circuit. In addition, each recording head has 2048 recording heads arranged in one row in the X-axis direction.
The number of ink ejection nozzles fa:fIl is on.

Referring to FIG. 3, the displayed/entered crab knit 100 includes:
Equipped with a liquid crystal display panel of 121%.

This display panel 121 includes a two-dimensionally arranged liquid crystal display element group with a 512×512 pixel configuration, and can display a two-dimensional image. Each display element is connected to the display driver 1
26 shows a binary change between a transparent state and an opaque state. Therefore, when all display elements are made transparent, the entire surface of the display panel 121 is transparent;
light passes through it. In other words, even a visible image on the back side of the display panel 121 can be seen through the panel 121 from the front surface thereof. Furthermore, if a visible image of some kind is displayed on a portion of the display panel 121, it can be viewed overlappingly with the visible image on the back side. In this example, 1 display panel 12
1 is a manuscript or a recording medium (10) as shown in FIG.
It can be placed so that it overlaps the surface of the

Information to be displayed on the display panel 121 is stored in a bitmap format display memory 127 composed of a read/write memory. In this embodiment, the display panel 121 displays visible information indicating the range to be read on the document and the read image in the reading stage in the scanner mode or copy mode.

In the recording stage of the printer mode or copy mode, images to be recorded and images to be recorded are displayed, and in addition, various guidance messages and key switch marks for input operations are displayed on the display panel 121.

In addition to the display panel 121, the display/input crab knit 100 is integrally provided with a digitizer device that can read two-dimensional coordinates in the X and X directions. As shown in FIG. 5, two sets of light emitting diode arrays 102° 104 and two sets of photodiode plays 103° 105 are arranged on each of the four sides of the rectangular display panel 121.

The light emitting diode arrays 102 and 104 each have one
The photodiode arrays 103 and 105 each have 128 photodiodes arranged in a row in the X direction and at equal intervals in the X direction. They are arranged at equal intervals, with the optical axes of the light emitting diode array 102 and the photodiode array 103 facing each other in the X direction, and the optical axes of the light emitting diode array 104 and the photodiode array 105 facing each other in the X direction. They are facing each other. Therefore, n of one light emitting diode array 102
The light emitted from the light-emitting diode at the l-th position is received by the photodiode at the n-th position of the photodiode array 103, and the light emitted from the light-emitting diode at the m11th position of the light-emitting diode array 104 is received by the photodiode at the n-th position of the photodiode array 104. If there is a light blocking object such as a finger on the display panel 121 where light is received by the photodiode at the m-th position of No. 105, the photodiode at the position that should receive the blocked light will not be able to detect the light. It is possible to know that there is a light blocking object. In this example, the photodiode array 103 can detect the position in the X direction on the display panel 121 with a resolution of 1/12g, and the photodiode array 105 can detect the position in the X direction on the display panel 121 with a resolution of 1/128. It can be detected by Therefore, when a finger or the like is brought close to the display panel 121, the XY
Coordinates can be detected. This allows input operations.

Note that the 128 light-emitting diodes are sequentially energized by the light-emitting layer, and only the photodiodes located at positions facing the energized light-emitting diodes are present.

The presence or absence of light reception is determined.

As shown in FIGS. 1 and 2, the display/input unit 100 in which the digitizer device and the display panel 121 are integrated has one end that rotates around the pivot pin 206 of the device body 200. The main body 200 can be opened from the main body 200 and placed horizontally on the document as shown in each case, or it can be closed and folded as shown by the dashed line in FIG. You can too.

Referring to FIG. 2, when the display/input unit 1-100 is folded, it is placed at a position facing the back of the unit.
A light guide 123 and an optical filter 122 are provided. The light guide 123 is.

The light emitted by the fluorescent lamps 194 is uniformly guided to each part of the display panel 121 to realize clear backlighting. The optical filter 122 is formed by sequentially arranging R, G, and B bandpass filters in a mosaic pattern at the same pitch as the pixel pitch of the display panel 121. Therefore, when the display/input crab knit 100 is folded, if the consecutive 31i elements on the display panel 121 are controlled as one set, R2O, 83 color combinations can be displayed every 3 pixels. Can display color images.

As shown in FIG. 2, a motor rotor 211 in the shape of a bow layer is exposed on the bottom surface of the main body of the apparatus.

Although only one motor rotor 211 appears in FIG. 2, there is actually another motor rotor 201 (third
(see figure). The surface of these motor rotors is covered with a rubber material such as chloroprene that has a large coefficient of friction against a document or paper serving as a recording medium, and the inside thereof is made of a magnetic material.

When the center of the ball is the origin of three-dimensional coordinates, this magnetic material circles around the origin of two of the three mutually orthogonal coordinate axes (i.e., the X and Y axes). The circumferential surface of the ball is magnetized in a pattern in which north and south poles alternate.

212X and 212Y are field coils provided corresponding to the motor rotor 211, and the motor rotor 211 can be rotated on the same principle as a stepping motor. 212X and 212Y drive the motor rotor 211 to rotate about the Y axis and the X axis, respectively.

However, 212X and 212Y cannot drive the motor rotor at the same time, and one of them selectively drives the motor rotor. Hence, the image processing terminal bag! 340 is 2
When energizing 12X, it moves in the X-axis direction, and when energizing 212Y, it moves in the Y-axis direction.

As shown in FIG. 3, the other motor rotor 201 is similarly provided with two field coils 202x and 202Y. In addition, field coils 202X, 202Y
, 212X and 212Y are coated with a material having a low coefficient of friction such as tetrafluoroethylene at the portions that come into contact with the motor rotor.

Around the motor rotor 211 are two-phase magnetic rotary encoders 213X and 213X, which can detect the amount of rotation in the X direction (rotation around the Y axis) and rotation in the Y direction (rotation around the X axis), respectively. Equipped with 213Y. This allows the amount and direction of rotation in each axial direction to be determined.

Similarly, around the motor rotor 201 are two-phase magnetic rotary encoders 203
Equipped with 03Y.

The signals output by these encoders are used to detect the amount of movement of the image processing terminal bag e340 relative to the document or recording medium, and to stabilize drive control when moving it by driving the motor rotor. Ru. The driving of the motor rotors 201 and 211 is controlled by the MPU 222 via the main drive unit 214. Note that these two sets of motors are normally driven to rotate in the same direction and direction, so when driving these, the image processing terminal device 340 does not generate any rotational movement and always rotates in the X direction or direction. Move linearly in the Y direction.

The buttons of switches 253 to 258 shown in FIG.

As shown in FIG. 1, it is exposed at the top of the main body of the device. The states of these switches are determined by the MPU 222 as necessary.
reads through I10 port 230.

Next, the configuration and operation of the single image processing unit 280 will be explained in more detail.

The configuration of one set of filters in the spatial filter unit 281 is shown in FIG. 1.2. Referring to FIG. 12, input data is input to the terminal Din, and processed data is output to the terminal D out. In Fig. 12, π is a multiplier, aij is a coefficient register, DiJ is pixel data, and i and j correspond to the x and y coordinates of a pixel, respectively, and in this example are in the range of 1 to 9. 81
Regarding a two-dimensional pixel group of pixels, the content of the calculation is shown in the zero-order Equation (1), which outputs the result of processing the pixels.

Dout = Σ (aij x Dij)
(1) Each of the 81 coefficient 1 registers a1j is an 8-bit latch, and the coefficients it holds are sent to the MPU 2 via the system 15 bus 221.
22 can be set arbitrarily. By changing the coefficients, the characteristics of this filter can be set arbitrarily. ° In this example, as shown in FIG. 6, the spatial filter unit 281 is provided with a plurality of filters in parallel, so each filter is used for smoothing, edge enhancement (blur improvement), etc. It is possible to set the characteristics to be suitable for each process, and it is possible to obtain different processing results at the same time. However, among these processing results, only one selected by the selection circuit 5ELI at that time is actually input to the next-stage gamma correction unit 282.

The selection state of the selection circuit 5ELI can be switched in correspondence with the scanning position, and the characteristics of the filter used at a predetermined position can be switched while reading one image. Therefore, when reading an image, the instruction to the 0 selection circuit 5ELI, which makes it possible to smooth one part of the same image and sharpen another part, is sent to the timing/area signal generation unit. 231 outputs.

Gamma correction unit 282 also includes multiple sets of correction circuits. As is conventionally known, gamma correction is a method of changing image density, for example, making the background part of an image white or making it high-key. The characteristics of each of the plurality of correction circuits can be arbitrarily set by the MPtJ222. Out of the plurality of sets of correction circuits, one output selected by the selection circuit 5EL2 is output to the color correction unit 283 at the next stage.

The selection state of the selection circuit 5EL2 can be switched in correspondence with the scanning position, similarly to the aforementioned 5ELL.

The configuration of one set of correction circuits of the color correction unit 283 is as follows.
Referring to FIG. 13, the input data is R, G.
and B are applied to terminals D1+D2 and D3, respectively, and the processing results are separated for each color and applied to four sets of terminals Do1 to Do4. In FIG. 13, π is a multiplier, Σ is an adder, and akij and bki are coefficient registers. The contents of the coefficient register akij can be set to any value by the MPU 222 via the bus 221.

Further, a plurality of sets of coefficient register matrices are provided, and it is possible to dynamically select which one of them will be used for the actual correction calculation. For example, you can output part of the input image data in full color as it is, convert another part to monochrome, convert red to blue, or change a specific density part of a monochrome original to a specific color. Processing such as pseudo color conversion is possible.

One set of circuits of the variable magnification unit 284 has a configuration in which two circuits shown in FIG. 14 are connected in series. The first circuit performs magnification change in the main scanning direction (X direction), and the next circuit performs magnification change in the sub-scanning direction (X direction). The circuit shown in FIG. 14 performs interpolation of pixels between pixels caused by enlargement or thinning out of unnecessary pixels caused by reduction.

In FIG. 14, π indicates a multiplier and Σ indicates an adder.

The input image data is sequentially divided into Dixl, Di
x2 , Dix3 , Dix4 (x is 1 of the 3 types of input
), the value of the coefficient register selected is asl
, as2. as3. When as4 (s is 16 selection types), the content of the process is as shown in equation (2) below.

Do= Σ asj X D ixj ”(
2) The shift unit 186 moves the position of the read image in the X direction or in the X direction.

The dither processing unit 288 is a circuit that converts 8-bit input gradation data into binary data including pseudo halftone information, and in this example, a plurality of circuits are provided in parallel. Conversion parameters can be set independently for each circuit. Any one of the processing results is selected by the selection circuit 5
Selected by EL5, next stage trimming unit l-287
is applied to

Furthermore, the trimming unit 287 blanks out the input data (converts it into data equivalent to white) for the designated area. A signal indicating the area division is output from the timing/area signal generation unit 231.

In FIG. 10, the timing/area signal generation unit 231
Referring first to FIG. 10, which shows the structure of the circuit and the timings of its main signals in FIGS. 7, 8, and 9.

Oscillator O8C generates basic clock CLKO. This basic clock becomes the source for generating other signals.

Signal CLKBR is for monochrome and color imaging unit 1.
82a and 182b are used as signals indicating the timing of each pixel when image data is shifted in the X direction (main scanning direction) pixel by pixel and read out, and four recording heads 161K.

161C, 161M, and 161Y are used as clock pulses indicating the timing of each pixel when performing a recording operation. Furthermore, CLKBR is also used as a clock that indicates the timing of pixels when a monochrome image is processed by the image processing unit 280. CLKCR is a clock that indicates the timing of about one port when output data of the VHA unit 182b that outputs a color image is written into the image memory 140, and has a frequency that is 1/3 of CLKBR.

LSYNC is a main scanning synchronization signal that outputs one pulse for each main scanning line. During one cycle of LSYNC, 2048 or more pulses of CLKBR appear. H.G.
ATE is a main scanning gate signal, and the period during which this signal is at I indicates the effective period of main scanning. During that period, CLK
2048 BR pulses appear.

RVGATE is a gate signal in the sub-scanning direction of the reading scan of the imaging module 182, and during the period when it is H, it becomes L.
The number of SYNC pulses appears the same as the number of pixels in the sub-scanning direction. This time tay is changed according to the reading scan length in the sub-scanning direction, and this change is performed by the MPU 222 adjusting the value set for gate signal generation +aVGG.

W[3VGATE, WCVGATE and WMVGAT
E is 1.6 IC and 1 IC for the recording head 161, respectively.
This signal regulates the recordable period of 61M and 161Y.

These four signals are mutually tl and tl, as shown in FIG.
t2. The phase is shifted by t3. This is because the four recording heads are arranged at positions shifted from each other in the sub-scanning direction, and the amount of positional shift and phase shift tl,...
t2. t3 correspond to each other.

Recording head tsiK from image memory 140.

The image data of each color applied to 161C, 16, 1M and 161Y is controlled in synchronization with the respective gate signals. That is, the ink ejection of C, M, and Y inks starts delayed by time tl, t2, and t3, respectively, compared to the K ink. Therefore, on the recording medium on which the image is printed, C and M are placed at the same position.
and Y ink can be printed in layers.

Counter XC1 counts pulses generated for each pixel to generate scanning position information in the X-axis direction, and counter YCI
The synchronization signal LSYNC is counted to generate scanning position information in the Y-axis direction.

Area memory AM identifies various areas designated by the operator, and also identifies each selection circuit 5ELI- in one image processing unit 280 when the scanning position is in a predetermined area.
A 1 selection signal is applied to SEL5 and trimming unit 287.

As shown in FIG.
It is a read/write memory that has n addresses, and l words arranged at one address are configured as 64 bits, and its contents are transmitted to the MP
U222 can be arbitrarily rewritten. Each word consists of the upper 12 bits du (duo~dun) and the middle 12 bits d m (d m O~d m
n) and the lower 40 bits part dQ (dQo~dQ
n), and the memory of du is in the sub-scanning direction. The memory dm is assigned to position data in the main scanning direction, and the memory d12 is assigned to selection signal data. Furthermore, 40 bits of dQ are 1
Six bits are allocated to each of selection circuits 5ELI, SEL, 2, 5EL3, 5EL4 and 5EL5, and the remaining 10 bits are allocated to trimming unit 287.

In other words, 12 bits are assigned to each data indicating the position of the processing area in the X direction and Y direction, so
It is possible to set 4096x4096 types of positions as processing areas, and even when one position is assigned to one pixel, it is twice the reading width (number of pixels) of the imaging unit 182a, so it is possible to set relatively large images. You can also specify any area on it.

In addition, the selection circuit 5EL1.5EL2, 5EL3゜5EL
Since 6 bits are assigned to each of SEL4 and SEL5, each of these can make 32 selections.

Note that the data of each word written to area memory AM is as follows:
Arrange them in order at addresses AO=A n so that the value of the position of the area they specify gradually increases.

Address to read data from area memory AM (AO-
An) is specified by two counters XC2, YO2 which function as address pointers. Counter XC
2. After the contents of VO2 are first cleared, the value of XC2 is the result of the comparison between the value read from dm of area memory AM (X-direction area position) and the scanning position in the X-direction by comparator CP2. When they match, the value of YO2 is counted up, and the value of YO2 is counted up when the comparison result of the comparator CPI between the value read from du of the area memory AM (Y-direction area position) and the Y-direction scanning position match. , thereby updating the address designation of area memory AM.

That is, the contents of the area memory AM are read out in order from addresses AO to An as the image reading scan progresses. Every time the read address of the area memory is switched, the selection circuit SEL 5
Also, since the data output to the trimming unit 287 changes, the content of image processing changes.

Therefore, if the sub-scanning position and main-scanning position of the position where the content of the Fii image processing changes are written in order in du and dm of the area memory, the pointer will change every time the scanning position reaches the image processing change position. The updated data for new image processing is read out, and the processing contents are automatically changed.

FIG. 17 shows an outline of the operation of the MPU 222.

The operation will be described below with reference to FIG. 17.

Power is constantly supplied to the MPU222, so you can always use Progera! - is in the aborted state (step P) so that it can be executed.
The aborted state in I) means that the MPU 222 is in a halt state.

By manual operation, the operator can display and input crab knit 1.
00 is opened from the closed state shown by the dashed line in FIG. . In response to this interrupt signal, interrupt controller 226 generates an interrupt signal to MPU 222. When the MPU 222 receives an interrupt signal in the halt state, the halt state is automatically canceled and the MPU 222 automatically shifts to the run layer.

When the MPU 222 enters a run state, that is, a state in which a program is executed, it first enters standby processing (P2).

In order to shift the MPU 222 in the run state to the stop state, it is sufficient to close the 1 display/input crab unit 100 to the state shown by the dashed line in FIG. 2. In that case, the magnetic sensor 251 issues an interrupt signal to the interrupt controller 226, Interrupt controller 226 responsively applies an interrupt signal to MPU 222 . Thereby, the MPU 222 executes a predetermined interrupt service program, executes a halt command therein, and transitions to a halt state.

Note that if the button of the switch 258 is held down and the 5 display/enter crab knit 100 is closed, transition to the halt state is prohibited. In this case, the display/entering crab knit 100 can be used as a color display.

In standby processing (P2), the status of the entire device is monitored,
Performs processing such as transitioning to a canceled state.

In step P3, it is checked whether image data exists on the image memory 140. If it exists, the next step P4 is executed. That is, the image memory 140
The above image data is displayed on the display panel 121. Specifically, image data is written onto the display memory 127. However, since the pixel resolution of the display panel 121 and the pixel size of the image to be displayed do not correspond one-to-one, the data on the image memory 140 is written. 6 display memory 12 to be written to display memory 127 after thinning out a predetermined number of pixels
The image data written on 7 is.

The information is automatically displayed on the display panel 121 by the hardware of the LCD drive 126.

Note that the operation of writing the image data on the image memory 140 to the display memory 127 is actually performed using the DMA controller 225 in order to shorten processing time.

In step P5, various types of guidance information required in the standby state are displayed on the 5 display panel 121.

The contents of the display screen on the display panel 121 at the end of step P5 are, for example, as shown in FIG. 18 when there is image data on the image memory 140, and when there is no image data.

For example, it becomes as shown in FIG.

In FIG. 18 and FIG. 19, 121d to 121h indicated by square marks respectively indicate/input crab knit 10
For example, by touching each position with a finger, the digitizer device reads that an input has been made at that position. When the MPU 222 detects this input, it executes the function of the key switch assigned to that position.

This type of key switch formed on the display/input unit 100 will be referred to as a soft key in this specification.

In FIG. 19, reference numeral 121b indicates an image displayed on the panel, and reference numeral 121a indicates a rectangular frame indicating a range in which valid image data exists.

Fig. 20 shows the display/entering crab knit 10 with the image displayed.
0 is placed on a recording medium (lO) on which a pattern 10c is printed, and the display/input crab knit 100 is shown viewed from above. Referring to FIG. 20, the pattern 10c of the recording medium located below the display/entering crab knit 100
can be seen through the display panel 121, overlapping the display on the panel.

Arrow 121 displayed on display panel 121 in FIG.
The ay mark indicates that only a portion of the image data existing on the image memory 140 is actually displayed on the display panel 121, and that the remaining displayable image exists in the direction of the arrow. In the example of FIG. 20, there are still images to be displayed at the bottom of the display screen.

In the state shown in FIG. 20, in order to view the contents of the remaining image information, connect this image processing terminal device to the recording medium or original (10
) and move the device downwards. In this case, since the apparatus moves while the motor rotors 201, 211 are in contact with the recording medium or the surface of the document, the motor rotors 201, 211 rotate as the apparatus moves. The rotation of these motor rotors is detected by the rotary encoders 203X, 203Y, 213X, and 213Y, so the direction and amount of movement of the device are determined by M.
The PU 222 can know this.

MPU222 is! 11! When the movement of the device is detected, the data in the display memory 127 is controlled according to the amount of movement, and the image 121b displayed on the display panel 121 is scrolled toward the opposite side of the movement direction of the device. The content of the remaining undisplayed image data is displayed in the area that is newly capable of displaying images.

Figure 21 shows the appearance of the display panel after moving the device a little towards the bottom of the screen from the state shown in Figure 20.
Referring to FIG. 21, since the entire device has moved downward, the pattern 10c that exists below the device and can be seen through the display panel has moved upward relative to the screen, and the display panel 12
The frame 121a and the image 121b, which are displayed one above the other, have also moved entirely toward the top of the screen.

What should be noted here is that the positional relationship between the frame 121a and image 121b displayed on the display panel 121 and the pattern 10c has not changed between FIG. 20 and FIG. 21. In other words, even if the image processing terminal device is moved, the positional relationship between the printed image visible through the display panel and the displayed image on the display panel does not change. Even if the image is considerably larger than the actual size, by displaying only a portion of the actual size image on the display panel 121 and updating the displayed image area while moving the device, the entire large image can be recorded. It is possible to accurately confirm whether or not the print image (10e) on the medium is aligned.

If the positions are not correct, it is sufficient to lift the image processing terminal device from the paper surface of the recording medium and move it relative to the paper surface. In this case, even if the apparatus is moved, neither of the two motor rotors 201 and 211 rotate, so the MPU 222 does not scroll the display contents, and the printed image (10c) on the recording medium and the display panel 121 do not rotate. You can change the positional relationship with the image above. Although it is possible to move the image processing terminal device manually,
As mentioned above, since the motor rotor can be driven, the device can also be driven by itself. In addition.

Although the explanation has been given here regarding the vertical direction (Y-axis direction) of the display panel, the displayed image is similarly scrolled in the horizontal direction (X-axis direction) as the device moves.

This image processing terminal device is broadly classified into a scanner mode, a printer mode, and a copy mode, and these modes can be selectively used.

In the standby state described above, when a switch button (including soft keys) of the apparatus is operated or a predetermined operation request signal is input from the externally connected personal computer 90, the apparatus shifts to the various modes described above. Identification of this mode is carried out in step P6 of FIG.

If a print request command is received from the personal computer 90, proceed to step pH.
Now, receive the print specifications and data of the image to be printed. The received data is stored in image memory 1.
40. When the data reception and writing to the memory are completed, the next step P12 is executed.

In step P12, the image data is converted into data in a form that can be recorded by the recording head 161 according to the print specifications. The bit pattern of the character corresponding to is expanded and the result is stored on the image memory 140. Note that the received data and the image data developed into a bit pattern are stored in mutually different address areas on the image memory 140. Therefore, the code data is also saved as is.

In step P13, the bit pattern image data existing on the image memory 140 is written into the display memory 127. This writing is performed at high speed using DMA.

At the end of step P13, the display on the display panel 121 becomes, for example, as shown in FIG. 19 or 20 described above. In this case, the screen includes five soft keys 121d,
121e, 121f, 121g and 121h are displayed.

Step P14 shows the operator's operation. Here, if one image for which the image and the recording medium are to be aligned is too large to fit on the screen, the operator operates the image processing terminal device as described above. By moving the
By scrolling the displayed image, it is possible to check whether each part of the entire image is aligned with each part of the recording medium.

The image is displayed on the display panel 121 in its actual size at the time of recording. However, since the pixel density of the display panel is coarser than the pixel density during recording, the quality of the displayed image is slightly inferior to that of the recorded image.

In step P15, soft key 121h on the display screen is pressed.
Waits for an input stroke to be made.

If there is an input, the process advances to the next step 16.

In step 16, printing is actually performed on the recording medium.What is important here is that the image is displayed exactly as aligned in step 14, that is, the display position of the image on the 5th display panel 121 and the position of the recording medium located below it. It is important to record the information accurately so that it matches.

In step 16, the MPU 222 first controls the main drive unit 214 to drive the motor rotors 201 and 2.
11 to move the entire image processing terminal device along the surface of the recording medium in the Y-axis direction. Then, the recording axis of the black recording head 161 is at the leading edge position of the displayed image before the apparatus moves (in FIG. 20, the upper broken line portion of 121a)
Position it so that it aligns with the Positioning in this case is performed by controlling so that the distance from the position of the recording head 161 to the leading edge position of the displayed image on the display panel matches the moving distance detected by the rotary encoder.

When positioning is completed, [Pt1222 issues a data output command to the image memory 140 and a data output command to the recording head 161.
Then, a recording start command is output to 161C, 161M, and 161Y, and a constant speed running command in the Y direction is output to the main drive unit 214 via the bus 221, respectively.

If the X direction is called the main scanning direction and the Y direction is called the sub-scanning direction, the motor rotors 201 and 211 cause the device to run at a constant speed in the sub-scanning direction. In addition, the recording head 161
, 161G, 161M.

161Y each includes 2048 nozzles arranged in the main scanning direction. Therefore, each print head can print a two-dimensional image with a 2048Xn pixel configuration for each color.

Recording is performed for each main scanning line, and for each line,
Recording for each of the 2048 pixels is performed serially. When the recording of one line is completed, the image processing terminal device moves by one pixel in the sub-scanning direction and starts recording the next one line.

During this recording operation, the image to be recorded is displayed on the display panel 121, and the displayed content changes as the device moves.
It is displayed in the same way as in step P14. However, in this case, the display position is scrolled according to the currently recorded position on the image.

In step P17, since the print operation has been completed, a completion status is sent to the external personal computer 90.

When a scan request command is received from the personal computer 90, the process first proceeds to step P21.
At 21, data of scan specifications to be applied is received. This data is then written onto image memory 140.

In the next step P22, the received scan specification data is decoded and processing is performed according to the data. Execute content settings, etc.

In step P23, the same process as in step P13 described above is executed.

The simplest scanning specification is when the entire range of the display surface of the display panel 121 is read. In that case, the display on the display panel 121 will be as shown in FIG. Also, trimming a variable circular area (reading only the inside of that area)
In the case of a scan specification including a request, for example, a screen as shown in FIG. 23 is displayed. In the example of FIG. 23, the image of the portion inside the circular broken line mark 121a indicating the range of the area is extracted and read. Note that 121bl and 121b2 are soft keys for instructing to reduce and enlarge the diameter of the mark 121a, respectively.

Step P24 shows the operator's operation, in which the operator aligns the device and the document,
Set the reading area. If the simplest scan specification is set to read the entire range of the display surface of the display panel 121, simply align the images on the document so that the images you want to read fall within the display surface of the display panel. All you have to do is

If your scan specifications include cropping specific areas or designating special areas that require special image processing, the portion of the image on the document that corresponds to that area may be , it is necessary to perform further careful positioning so that the actual size area display marks indicating the processing area displayed on the display panel coincide.

Further, the scan specifications may include a request for the operator to specify an area. In that case, it is necessary to input the coordinates and specify the area using the digitizer of the image processing terminal device. Further, the scan specifications may include only the basic shape of the area as information about the area. In that case, since the basic shape is displayed on the display panel 121, it is necessary to transform it using soft keys and specify the area.

If the scan specification is variable circular cropping,
For example, it becomes as shown in FIG. In this example, sentence 10a
The apparatus is shown placed on a document (10) on which an elliptical pattern 10b is printed. Here, for example, if you want to enlarge the size of the trimming, you can perform an input operation (touch) on the soft key 121b associated with the enlargement operation.As shown in FIG. The size of the circular dashed line shown is enlarged.

The alignment between the document and the image processing terminal device can be performed by moving the device over the document, as in step P14 described above.

The reading range specified in the scan specifications is displayed on the display panel 121.
If the reading area is larger than the display range, that is, if the entire reading area does not fit within the display panel 121, a display as shown in FIG. 26, for example, appears. Here, the arrow display 121a indicates the reading range, 121ax indicates that the reading range is expanding further to the right (X direction) than the display range, and 121ay indicates that the display range is further below the display range ( Yumata indicates that the reading range is expanding in the Y direction. 121s is a mark indicating a designated area within the reading range (121a) where more special image processing is to be performed. 121syl and 121sy2 indicate that the range of the area does not fit on the display. Here, special image processing means changing, for example, sharpness, two-tone density gradation, image displacement, dither pattern, etc. for other areas. These image processes are performed in real time by the image processing unit 280 at the time of image reading.

Scan specifications may be set in which the reading range is arbitrarily specified. In that case, the MPU 222 stores the ROM in advance.
223 as fixed area shape data, and the RAM 224 as user defined area shape data.

It is displayed on the display panel 121. In that case, for example, the second
A screen like the one shown in Figure 7 will be displayed.

In FIG. 27, 121i, 121j, 121k and 121Q are fixed area-shaped patterns, and 121n
shows the pattern of the user-defined area shape. These display patterns indicate the range of the target area when performing trimming or special image processing.

Furthermore, soft keys are formed at the positions of each display pattern.

When one input operation is performed on these soft keys, an area pattern at that position is picked up, and when the second input operation is performed, the area is fixed in a similar shape to that position. 121m shows the result after picking up one area pattern 121n and setting the position and shape. Note that when specifying an area such as 121m, you may use an input mode that directly specifies the area without using the basic area shape displayed on the screen as a menu. If you move your fingertip so as to draw the trajectory of the required area pattern while remaining within the reading area of the digitizer, the area will be set on the part of that trajectory. The shape of the region set in this way can be registered in the RAM 224 as a user-defined region shape and used again later.

Regarding the area shape pattern soft key, if you input another key 121e before performing the second input operation, the area pattern you picked up will rotate 15 degrees.
For example, the area shape pattern 121b is the pattern 121
After picking up Q, input operation is performed on the soft key 121e six times, and the result is obtained by rotating the soft key 121e by 90 degrees.

In addition, when inputting two points without picking up any area shape pattern, set the two points as diagonals.
A rectangular area is set. 121a in FIG. 27 is 12
It shows the range of the area set when two points 1apl and 121ap2 are input.

When there are predetermined inputs for these areas, the results are immediately calculated by the MPU 222.
2 sets various image processing parameters for the image processing unit 280 and also sets the contents of the area memory in the timing/area signal generation unit 231. Once all these settings are completed, image reading can be started at any time. can.

Even if the area is larger than the inputtable range of the display/input unit 100, the image can be read by specifying the area with the image processing terminal device.

The operation in that case will be explained.

First, one point p1 is input in the state shown in FIG. 19a.

That is, the user touches the pl position with, for example, a fingertip.

In that case, the MPU 222 identifies whether the point pt belongs to the left, right, upper or lower side of the center of the display panel, and marks a line segment indicating the range of the area from the point p1 toward the half area to which it does not belong. 121ax.

Draw 121ay.

After that, when the operator moves the image processing terminal while keeping it in contact with the original, a screen as shown in FIG. 29b, for example, is displayed. Note that 10a in Fig. 29b is the printed pattern on the original document.4 Next, when point p2 shown in Fig. 29c is input, the screen display changes as shown in Fig. 29d, and the range of the determined rectangular reading area is displayed. Line segments 121ax and 121a of the frame showing
y appears.

If it is desired to perform special image processing on a specific area within the reading area set in this manner, the following operation is further performed. First, the position of the image processing terminal device is returned to the initial state, the screen shown in FIG. 29a is displayed, and in this state, two points P3*P4 are input. Next, move the device again, and on the screen shown in Figure 29c, point p5
Enter. As a result, as shown in FIG. 29d, a rectangular frame 121S indicating the range of the set area is displayed.

The content of the image processing within the area indicated by this frame 121S is as follows:
The operator can make any selection by operating the soft key 121g. In other words, when you input 121g, the previous display is erased and the display panel 121 displays ``''
A partial image processing content selection screen ``'' (not shown) is displayed. When this screen is displayed, the image processing content within the specified area can be interactively selected. After the operation 1:, the user can return to the original screen state by inputting a screen return soft key displayed on that screen. If the soft key for starting reading is input, the reading operation can immediately proceed to the next step P26.

Note that it is also possible to set a special area for image processing inside the area to be trimmed.

In step P25, the process waits for the soft key 121h to be input. If there is an input, then the process advances to step P26.

In step P26, the image is actually read according to the scan specifications set in the previous processes.What is important here is that there is no positional deviation between the specified reading position and the position of the image that is actually read. should not occur.

Specifically, when no special reading area is specified, the image of the area on the document that is facing the inner part of the range where 1 display/input 100 can be displayed/input is read. is important, and when a reading area is specified, it is important to read the image of the area on the document that is opposite to the rectangular frame indicating the reading area displayed on the 5th screen during alignment. , if there is a special area designated for further cropping or image processing in the scanning area, a positional shift may occur with respect to the image of the area on the document that was facing the frame indicating the range of that area. This means performing cropping and image processing without the need for image processing.

In this embodiment, when aligning, the printed image on the document and the display such as a frame indicating the area on the display panel 121 appear to overlap, so the alignment is accurate and the image is actually read from that point on. Unless there is a slip between the device and the document, there is no risk of misalignment.

When the size of the set reading area is equal to or smaller than the size of the display panel 121, the MPU 222 determines that the conjugate point between the imaging unit 182a and the lens 190 is 1.
The edge of the display panel 121 in the sub-scanning direction (121 in FIG.
A movement amount is given to the main drive unit 214 to move it to the position (above).

Also, the size of the set reading area is different from the display panel 12.
1, the MPU 222 determines that the conjugate point between the imaging unit 182a and the lens 190 is at the edge of the frame (26th
With a diagram! 21ax)
to the main drive unit 214.

The main drive unit 214 includes the motor rotor 201
, 211 and is controlled so that the amount of rotation detected by the rotary encoder matches the specified amount of movement, thereby positioning the device at a predetermined position.

After this alignment is completed, the main drive unit 214
applies a completion signal to the MPU 222, the MPU 222
Inputs an imaging start command to the imaging drive circuit 185, a processing start command to the image processing unit 280, and an image memory 1.
Data input command to 40.

A constant speed running command in the Y direction is applied to the main drive unit 214 via the system bus 221, respectively.

If the X direction is called the main scanning direction and the Y direction is called the sub-scanning direction, the motor rotors 201 and 211 cause the device to run at a constant speed in the sub-scanning direction. Also, the imaging unit 182
The element group at each pixel position of a and 182b has 2048 pixels in parallel in the main scanning direction. Therefore,! If the device is moved by n pixels by 1llj scanning, 2048
A two-dimensional image of Xn pixels can be read.

Image reading is performed for each main scanning line in synchronization with the signal LSYNC, and in each line, the pixel synchronization signal CLKBR is
2048 pixels are sequentially read in synchronization with . The read data is subjected to image processing by the image processing unit 280, and then transferred to and written into the image memory 140.

The image memory 140 has a variable bit configuration of a word as an access unit, and for monochrome image data, one word is 8 bits, R, G.

For B color image data, l word 24 bits,
For C, M, and Y color image data, one word has a structure of 32 bits.

The process of step P26 is continued until the sub-scanning end position is reached and images in all the reading areas are read. Furthermore, during this reading operation, the various areas displayed on one display panel 121 are scrolled in accordance with the sub-scanning of the device. Furthermore, the contents of the read image are sequentially displayed in real time on the display panel 12i starting from the line for which image processing and writing to the image memory have been completed.

Therefore, the operator can immediately see and confirm the reading results for the part of the image that has been read, without having to wait for the scanning of the entire reading range to be completed.

If the desired result is not obtained, the reading can be stopped by operating a switch.

Next, some examples of operations related to image reading will be described.

In the example of FIG. 27, the frame 12 indicating the range of each processing area
The trimming range is set by 1a, 121b, and 121m. In this state, soft key 121h
When you perform an input operation on .

Image reading begins. As a result, the screen shown in FIG. 28 is displayed. Comparing Figure 27 and Figure 28, frame 1
It can be seen that only the range specified by each of 21a, 121b, and 121m was extracted as valid image data. Note that the information of the frames 121at12lb and 121m is stored in the RAM 224 and separated from the image data on the image memory 140.

In the example of FIG. 30a, a frame 121a indicating the range of the processing area
The processing content is specified to perform a predetermined color conversion in the section. In addition, in Figure 30a! Ob, 10c,
10d and 10x are images printed on the original (10), and are visible through one display panel. Chapter 30a
If an input operation is performed on the soft key 121h in the state shown in the figure, image reading will start, and as a result, the screen shown in FIG. 30b will be displayed. The read image 121bl shown in FIG. 30b has a different color from the image lOb on the original.

In the example of FIG. 31a, an arbitrary designation command is received from the personal computer 90, and the operator makes settings to perform different image processing on a plurality of arbitrary regions.

Specifically, in the frame 121a indicating the area, the gamma correction unit 282 is set to low key, in the frame 121b, the color correction unit 183 is set to perform color conversion, and in the frame 121m, the spatial filter unit 281 is set to perform line thinning processing, and other parts are set to perform standard image processing. When an input operation is performed on the soft key 121h in the state shown in FIG. 31a, image reading is started, and as a result, the
The screen shown in the figure will appear.

In the explanation so far, the movement of the image processing terminal device during image reading and printing operations is performed by magnetically driving the motor rotors 201 and 211, and the device is made to move by itself. When performing self-propulsion in this way, power consumption is large, so if the image processing terminal device uses a battery as a power source and cannot obtain power from the host computer, the usable time of the device will be greatly reduced. limited.

Therefore, if it is desired to reduce power consumption, the device is configured so that it can stop moving by itself and can be moved manually by the operator. In that case, information indicating the position and direction of movement is displayed on the display panel 121.

In step P27, since the image reading operation has been completed, a completion status is sent to the external personal computer (host computer) 90.

When the operator presses the button of the switch 255, the system enters the file mode and proceeds to step P31. In this step, a menu screen is displayed on the display panel 121 in order to wait for the operator's instructions regarding file operations. This menu screen displays images from disk 80 to image memory 1.
Information for selecting whether to transfer image data to the image memory 140 or to transfer data from the image memory 140 to the disk 80 is included.

In step P32, the operator inputs the file name and the like.

In step P33, the presence or absence of input operations on the two soft keys (save and load) displayed on the 1 display panel 121 is checked, and if there is an input to save, the process proceeds to step P34, where input for load is input. If there is, the process advances to step P35.

In step P34, the image data on the image memory 140 is transferred to the disk 80 and stored therein. This step also includes processing to compress the data.

In step P35, the image data stored on the disk 80 is transferred onto the image memory 140. The compressed data is written to the image memory 140 after data decompression processing is performed.

Next, the case of copy mode will be explained. There are two types of copy modes. One is a mode that uses one image processing terminal device, and the other is a back-to-back mode that uses two image processing terminal devices. When the wired interfaces 242 of two image processing terminal devices are connected by cable, this is identified by the program in the ROM 223, and the back-to-back mode is automatically activated.

The copy mode is roughly divided into three steps: setting a reading mode, executing a reading operation, and executing a recording (print) operation. However, in the back-to-back mode, one side performs the reading operation and the other side simultaneously performs the printing operation. In pack-to-back mode, one side is in scanner mode,
The other mode is almost the same as the printer mode, so its explanation will be omitted. The normal copy mode will be explained below.

When the button of the switch 254 is pressed, the process proceeds to step P41. In this step, a menu screen for setting the copy mode is displayed on the display panel 121. This screen is shown in Figure 11a.

In FIG. 11a, 121d is sharpness adjustment, 1
21e is gradation adjustment, 121c is color adjustment, 121g is magnification adjustment, and 121jl is position adjustment (shift).

121 indicates soft keys respectively assigned to area processing settings.

For example, when an input operation is performed on the soft key 121k, operations such as trimming as shown in FIG. 27, specification of a processing area, and setting of image processing contents can be performed.

Regarding the input of a specific area, referring to FIG. 31, when the soft key 121e is input after inputting the area, selectable processing 1 for each image processing step, for example, in the gamma correction processing step, high contrast, low contrast, high key , a selection menu appears in the form of a low key, allowing input in association with the area.

For example, when the soft key 121e is input, the Ni1 setting screen shown in FIG.
By touching , any characteristic L21adj can be set from the standard characteristic 121st. 121i is a soft key for returning to the original screen (FIG. 11a); 121b is a soft key for starting image reading;

Step P42 represents an input operation by the operator using the menu screen.

In step P43, the copy specifications set in P42 are computed and developed, processing parameters are set in the image processing unit 280, and when there is trimming or area processing, data is written to the area memory of the timing/area signal generation unit 231. It's crowded.

Step P51 is performed by pressing the soft key 12 on the screen shown in FIG. 31a.
This step is executed when 1h is touched, and a reading operation is executed in the same manner as step P26 described above. The image data read in each main scan is processed by the image processing unit 28
At the same time, data suitable for display is calculated by the MPU 222 and stored in the display memory 127.
written to.

Step P61 is a process of executing a print operation. Here, for example, the screen shown in FIG. 22 is cursed. This screen has been read and image processed according to the specifications set in step P41, and a read image 121a corresponding to the image data existing on the image memory 140 and a plurality of soft keys are displayed on the display panel 121. be.

One of these softkeys is Key 1 to start recording.
21h, and if this is touched, image data is immediately sent from the image memory 140 to the recording head 160 and a printing operation is executed. That is, substantially the same image as the image displayed on the display panel 121 is recorded on the recording medium directly below the display position. Again, what is important is that what is seen by the operator on the display means is recorded as a permanently visible image on the recording medium.

Therefore, for example, if there is a preprint such as ruled lines on the recording medium, it is possible to appropriately align the recording position. The position is to lift the loading device from the recording medium,
IIIL, adjustable by moving.

Furthermore, even if the recording range is larger than the display panel 121, by moving the recording medium and the device without separating them, the screen will scroll, allowing you to check whether the recorded image is extending out or the recording position is biased before recording. .

The remaining soft keys on the menu screen are keys for re-image processing, and when these keys are touched, a menu screen for re-image processing appears. Re-image processing is
- The image data in the image memory 140 that has been read is subjected to image processing again. For example, if the image as intended by the operator is not displayed on the display panel 121, or if a single image read from a document is recorded with slightly different transformations (image processing) When you want to obtain an image, there is no need to repeatedly read the original image, so you can reuse the image data on the image memory 140, process it again in the image processing unit, and record the processing results as an image. do.

The menu screen for re-image processing is the same as the menu screen in step P41. That is, sharpness adjustment,
Gradation adjustment, density adjustment 2-color adjustment, magnification adjustment g1. Trimming etc. can be set by the operator. The re-image processing specifications set here are arithmetic processed by the MPU 222, and then processing parameters are set in the image processing unit 280.

When setting an area for trimming, data is written in the area memory of the timing/area signal generation unit 231, and then the DMA controller 225 is instructed to set a predetermined address in the image memory 140 as the transfer source address and as the transfer destination address. The address of the multiplexer 289 of the image processing unit 280 is set to D.
M, A Execute data transfer. As a result, the image data is subjected to image processing again and displayed on the display panel 121 again.

Next, the setting of the image processing area when reading the m-image will be explained in more detail. The operation of the MPU 222 regarding this process is shown in FIG. 39a. The display contents on the display panel 121 when this process is started are as shown in FIG. 18, for example.

In step 1, the digitizer device integrated with the display panel 121 performs reading scanning to read input on the surface of the display panel. If the right input is detected, the process passes through step 2 and proceeds to step 3.

In step 3, it is checked whether the input coordinates match the coordinate range of the various softkeys assigned to the coordinate input surface of the digitizer at that time, and if it is a softkey input, which softkey is used for inputting. Taka Identification.

If it is necessary to perform image processing on a specific area of the image to be read, the operator inputs the soft key 121d on the display screen. If you have this input,
The MPU 222 proceeds from step 4 to step 11, and if it is the first step, then proceeds to step 12.

In step 12, region shape data registered in advance in the device is read from the RAM 224, and each region shape is displayed on the display panel 121.

As a result, 1, for example, the visible information 121i+12 in FIG.
1j, 121, 121Q and 121n are displayed.

For example, for the visible information 1211, R
Since it is registered in advance on the AM 224, it is read and the shape pattern is displayed. That is, recording pixel data is written to each address on the display memory 127 corresponding to all pixel positions between the coordinates of each connection point, and each straight line is sequentially drawn.

Similarly, for the visible information 121j, the identification code indicating that it is a circle and the radius value are registered in the RAM 223 as a set of data, so the radius and the center position to be displayed are registered in the RAM 223. A circular equation is calculated based on the coordinates of the arc, and the data of the recording (display) pixel is written at each coordinate position on the arc.

In this example, the position on the screen where the registered area shape is displayed (the center of the area) is assigned in advance for each pattern, and as shown in FIG. displayed at the same time. After these visual information are displayed, soft keys are assigned to each of these positions.

When using the displayed region shape, an input operation may be performed on a soft key assigned to the visible information of the region shape. For example, if you want to use an oval shape, just enter the position of the 121Q soft key. In this case, the process of the MPU 222 is performed in step 8 of FIG. 39a.
If the soft key 121+2 is input to proceed to step 15, the elliptical pattern is temporarily stored in the memory 224 as the basic shape of the specified area.

If the position of the reference point (center) of the area is input, i.e.
Immediately after the shape is selected in step 15, if an input is made at a position outside the coordinate range designated by the soft keys, the process proceeds from step 9 to step 25.

In step 25, the input position I! I! S is stored together with the shape data registered in the memory in step 15.

In step 26, visible information indicating the range of the area that is being set is displayed on the display panel 121 using broken lines. That is, visible information of the shape selected in step 15 is displayed as a broken line at a position centered on the coordinates specified in step 25. However, after receiving correction input, the corrected shape 2 position.

Display is performed by tilting. Visible information 12 shown in FIG.
1b shows the area after the basic shape shown by the visible information 121Q has been modified.

The soft key 121e assigned to modification input is used to change the slope of the selected shape.

That is, when the soft key 121e is input, step 10
The process then proceeds to step 16, where a +15 degree slope is added to the value of the slope register Pa. If step 26 is executed after that input, the displayed visual information will be tilted by 15 degrees compared to before. For example, if the soft key 1210 is input six times, the contents of the tilt register Pa will be tilted by 90 degrees. Therefore, when the selected basic shape is 121Q, the displayed area shape is modified to a horizontally long ellipse like 121b.

Softkeys assigned to other correction inputs are
In FIG. 7, they are indicated by 121b1 to 121b6. 121bl and 121b2 are size corrections, 121b3
and 121b4 move in the X direction, and 121b5 and 12
1 'b 6 are respectively assigned to movement in the Y direction.

When the soft key 121bl is input, the process advances from step 10 to step 17, and the contents of the size register Pm are multiplied by 0.9. When step 26 is executed, the size of the displayed area shape is reduced (corrected) to 90%. be done. Similarly, when the soft key 121b2 is input, the process advances from step 20 to step 18, and the contents of the size register Prn are multiplied by 1.1.
When step 26 is executed, the size of the area shape displayed once is enlarged (corrected) to 110%.

When the soft key 121b3 is input, the process proceeds from step 10 to 19, where a fixed value Xc is added to the contents of the X position register Px, and when step 26 is executed, the shape of the area to be displayed moves by Xc in the +X direction. Soft key 121
b41 If done manually, proceed from step 10 to step 20 and
A fixed value Xc is subtracted from the contents of the position register Px, and when step 26 is executed, the shape of the area displayed by 1 is moved by Xc in the -X direction.

When soft key 121b5 is input, the process proceeds from step io to 21, and ym+i! A fixed value Yc is added to the contents of the f register py, and when step 26 is executed, the area shape displayed by 1 moves by Yc in the +Y force direction. Also, if you input the soft key 12!1b6, step 10 to 22
When the process proceeds to Step 26, the fixed value Yc is subtracted from the contents of the Y position register py, and Step 26 is executed, the displayed area shape moves by Yc in the -Y force direction.

The soft key 121g is assigned to confirm the area. That is, when 121g is input, steps 7 to 1
Proceed to step 3 and if there is an area that is undefined (in the process of being set),
Furthermore, step 14 is executed.

In step 14, the area is first determined.

That is, the basic shape of the area selected in step 15 and the reference position of the area specified in step 25.

The information on the deformation specified in steps 16 to 22 is stored in the memory 22 as a series of data that determines the range of the area.
4. Register at the specified address above. Then, the visible information 121b of the displayed area is changed from the broken line to a solid line □. Next, processing for setting various parameters for image processing is performed.

For example, when setting gradation processing parameters,
A screen like the one shown in FIG. 11b is displayed on the display panel 121 to wait for input from the operator, and the image processing parameters set by the input are transferred to the image processing unit 280.
Set to .

If there is no undetermined region and an input is made at a position other than the coordinates assigned to the soft keys, the arbitrary shape mode is identified. In that case, proceed from step 7 to step 24. Details of the arbitrary shape processing in step 24 are shown in FIG. 39b.

This will be explained with reference to FIG. 39b.

The X-coordinate value Xi and Y-coordinate value Yi of the input position are stored in registers D x (n) and Dy (b), respectively. n is a counter indicating the number of inputs, and is 0 immediately after entering the arbitrary shape mode. Each time a new position is entered, the values of its coordinates are stored in registers D x (n) and D
y (n), and the value of n is updated in step 59.

Therefore, when the operator traces the display surface with a finger, for example, so as to surround an arbitrary area on the display panel 121, the values of the coordinate group indicating the outline of the area are sequentially stored in different registers. When the input coordinates match the value of the first coordinate, that is, when the starting point and the last point of the trajectory of the input coordinates match and the area specification is completed, steps 51 to 52.5
3 and proceed to 54. Note that steps 52 and 53 are
It is omitted when n is 0.

In step 54, the counter n is cleared, and the area indicated by the input coordinate group is determined as data indicating the range of one image processing area, and is registered on the memory 224.

This area is displayed on the display panel as visible information 121m of No. 2711f. Subsequently, processing for setting various parameters for image processing on this area is performed.

In subsequent steps 55 and 56, input from the digitizer is awaited. Here, when the soft key 121c is input,
The process proceeds from step 57 to step 58, where a series of region shape data input in this arbitrary shape mode is stored on the memory 224 as basic shape data. In that case, the third
If the registered shape is displayed in step 12 of Figure 9a,
The shape registered in step 58 is also displayed on the display panel 121 along with other basic shapes as visible information 121n.

Referring again to Figure 39a. When the soft key 121h is input, the process proceeds from step 5 to step 23, where setting of the area is completed and image reading is started. In this case, the following processing is performed so that the position of the set area matches the position on the document where the image is actually read.The coordinates of each area are set at the starting point of the image reading range (see Figure 26). 121a upper left corner)
The coordinates of the digitizer are converted into the coordinates of the reading pixels of the imaging unit 182.Then, before starting image reading, the motor rotor is driven to move the device in the sub-scanning direction. so that the reading position of the imaging unit 182 is adjusted to the display panel 121 before moving.
Position it so that it matches the starting point of the image reading range displayed above. Image reading is then started from that position.

Therefore, the position of each area specified by the operator and the position of each area on the image that is actually read coincide with each other.

In the above embodiment, a light-transmissive liquid crystal display was used as a display means so that the displayed image and the image on the document or recording medium could be seen to overlap, but the reading range and recording range may vary depending on the display/input range, for example. If the area is limited to an area that substantially matches the outline of the crab unit 100, the area of the image to be processed and the document or recording medium can be relatively closely spaced without making the display/input crab unit 100 light-transmissive. Align it to . In that case, for example, an opaque EL display device may be used as the display means. If an EL display device is used, color display becomes possible.

Next, a modified example will be described.

FIG. 32 shows the external appearance of the image processing terminal device in the second embodiment, and FIG. 33 shows the internal structure of the device shown in FIG. 32. Similarly, FIGS. 35 and 36 show the image processing terminal device in the third embodiment, and FIGS. 37 and 38 show the fourth embodiment.
1 shows an image processing terminal device according to an embodiment of the present invention. Also the 34th
The figure shows a block diagram of a device configuration that is substantially common in the second, third, and fourth embodiments.

First, the second. Regarding the third and fourth embodiments, differences from the above-described first embodiment will be briefly explained.

(1) Each color function of image reading, 9 image display, 2 image recording,
A three-dimensional object imaging function, an autofocus function, and a floppy disk drive are omitted.

(2) A digitizer device for inputting coordinates was constructed by arranging a large number of pressure-sensitive electrical contacts within a flexible, transparent film. Further, as a display device, a light-transmitting liquid crystal display panel formed in the form of a flexible film is used.

(3) The motor of the main body of the device containing the image sensor and recording means can only be driven in the Y direction (sub-scanning direction). (4) The range of image reading and recording is automatically controlled by the motor in the sub-scanning direction. When driving, it is limited to the coordinate input range of the digitizer (same as the display range of the display panel).

(5) The display means does not move with respect to the original or the recording medium, so images, etc. are not scrolled on the display screen.

(6) Use an LED array for illumination of the H draft.

(7) The image sensor is only a one-dimensional COD.

Next, the second. The configuration common to the third and fourth embodiments will be described with reference to FIG. 34. Note that the same components as those in the above-described embodiment are denoted by the same reference numerals.

The image of the document illuminated by the LED array 394 is read by the imaging unit 382. The imaging unit 382 is C
It is a solid-state imaging device using OD, and is equipped with light receiving elements for 2048 pixels in the X direction.

The image data output from this imaging unit 382 is
be applied to image memory 140B. The image memory 140B is composed of a card-type read/write memory (RAM) with a built-in backup power supply, and is detachable from the main body of the image processing terminal device.

When performing a recording operation, the data on the image memory 140B is sent to the recording unit 361, and an image is printed on a predetermined recording medium. The recording unit 361 is
It is equipped with an on-demand inkjet recording head. Recording is done in monochrome.

The display panel 321 (521, 721) has a structure in which a liquid crystal material is sealed between two flexible transparent resin films on which transparent electrodes are deposited in a grid pattern.
It has a display resolution of 12×512M pixels, and can be controlled to be transparent or opaque on a pixel-by-pixel basis.

On this display panel, the range of the document to be read and the read image are displayed at the reading stage in the scanner mode or copy mode. Furthermore, in the recording stage of the printer mode or copy mode, the image to be recorded is displayed. Furthermore, various guidance messages and soft key marks are displayed.

The digitizer unit 300 (500, 700) consists of two flexible transparent resin films on which transparent electrodes are vapor-deposited in a grid pattern, which are pasted together with the grids perpendicular to each other, with a thin transparent insulating film sandwiched between them. It is glued with. By pressing with a fingertip or the like, the opposing electrodes on the two films come into contact and become electrically conductive. The coordinates can be identified by detecting whether any of the many electrodes is conductive.

For coordinate identification, scanning circuits 302 and 304 and detection circuits 303 and 305 are provided for the X and Y axis electrode groups, respectively. Scanning circuits 302, 304 and detection circuit 30
3, 305 is controlled by a detection control circuit 306, and data of detected coordinate values is transmitted via the system bus 221.
It is transferred to the MPU 222.

Next, a second embodiment will be described with reference to FIGS. 32 and 33.

The digitizer unit 300 and the display panel 321 are stacked in the thickness direction and are integrally configured. A drive shaft of an electric motor (not shown) is coupled to the shaft 412 shown in FIG. 33. A spool 411 is fixed to the outer periphery of the shaft 412, and one end of the digitizer unit 300 and the display panel 321 are fixed to this spool 411. Both the digitizer unit 300 and the display panel 321 are flexible and are wound around the outer periphery of the spool 411 when it rotates.

In this embodiment, when performing sub-scanning in the Y-axis direction,
One end 300a of the digitizer@: The operator needs to fix it with his/her finger or the like. With one end 300a fixed (for example, pressed against the bottom surface with your finger), rotate the spool 4it@: clockwise in FIG.
0 is wound up and the main body 400 of the apparatus is driven in the sub-scanning direction toward the right. Alternatively, with one end 300a fixed, the main body 400 of the apparatus can also be moved to the left by manual operation. That is, in this example, sub-scanning in the right direction is automatically performed, and sub-scanning in the left direction is performed manually. Note that the digitizer unit 300 and display panel 32
If 1 has an appropriate buckling resistance, manual scanning becomes possible even when sub-scanning to the right.

Even when sub-scanning is performed in the Y-axis direction, if one end 300a is fixed, the digitizer unit 300 and display panel 321 will not move relative to the document or recording medium placed below, and the device body will not move. Only 400 move. Since the apparatus main body 400 is equipped with a reading optical system and a recording system, by sub-scanning them, it is possible to perform sub-scanning for image reading and image recording.

In this embodiment, the image of the document placed in contact with the lower surface of the apparatus main body 400 is illuminated by the LED array 394, guided to the light receiving surface of the imaging unit 382 via the SELFOC lens array 390, and read. .

Two magnetic sensors 451 are provided near the entrance/exit of the digitizer 300 in the device main body 400 at positions facing the digitizer 300.
0b is formed.

Therefore, when the digitizer 300 moves, the magnetic sensor 4
51 detects the movement of the magnetic coating 300b and detects the amount and direction of movement of the digitizer. Further, a reflective optical sensor 452 is arranged near the entrance and exit of the digitizer. This sensor 452 distinguishes between the reflective portion 300c (32nd Wi) provided near the right end of the digitizer and other portions, and identifies whether or not the digitizer 300 is completely retracted.

Next, a third embodiment will be described with reference to FIGS. 35 and 36.

The digitizer unit 500 and the display panel 321 are stacked in their thickness direction and are integrally configured. The shaft 412 shown in FIG. 36 is coupled to the drive shaft of an electric motor (not shown) fixed to the main body 400 of the device. A main drive roll 611 made of a rubber material with a large friction coefficient is concentrically fixed to this shaft 412. This main drive roll 6
A part of the outer periphery of the roller 11 is exposed on the lower surface of the apparatus main body 600, and the drive roll 618 is in contact with another part of the outer periphery, thereby being frictionally coupled. Furthermore, a pinch roll 619 is provided at a position facing the drive roll 618.

Therefore, due to the weight of the device main body 600, the main drive roll 6
11 is disposed on the lower surface of the apparatus. When the electric motor is driven, the main drive roll 611 rotates, and the apparatus main body 600 moves over the original or the recording medium in the sub-scanning direction (Y direction). ). Further, the assembly of the digitizer 500 and the display panel 521 is sandwiched between the drive roll 618 and the pinch roll 619 and engaged with them. Therefore, when the main drive roll 611 rotates, the drive roll 618 rotates accordingly, and the digitizer 500 and display panel 521 move relative to the apparatus main body 600.

The moving direction of the device main body 600 and the moving direction of the digitizer 500 are opposite to each other, and their moving speeds are the same. Therefore, for example, when the main body of the apparatus moves to the right, the digitizer 500 moves to the left with respect to the main body of the apparatus 600, so even when performing sub-scanning, the digitizer 500 moves toward the left with respect to the main body of the apparatus. The digitizer and display panel do not work.

Similar to the second embodiment, the amount and direction of movement of the digitizer 500 are detected by the magnetic sensor 451. A magnetic coating 500b is formed on the surface of the digitizer 500 facing the magnetic sensor 451. Further, the optical sensor 452 detects the basic stop position of the digitizer 600. A reflecting section 600a is provided at the right end of the digitizer 600 at a position facing the optical sensor 452.

In this example, since a flexible display panel 521 and a digitizer driving roll 618 are provided, there is no fear of buckling, and sub-scanning can be performed manually in either the left or right direction. Note that the main drive roll 611 and the drive roll 61
8 have the same diameter.

Next, a fourth embodiment will be described with reference to FIGS. 37 and 38.

The digitizer 700 and the display panel 721 are integrally constructed by overlapping in their thickness direction. The shaft 412 shown in FIG. 38 is coupled to the drive shaft of an electric motor (not shown) fixed to the body of the device. A main drive roll 811 made of a rubber material with a large friction coefficient is concentrically fixed to this shaft 412. A part of the outer periphery of the main drive roll 811 is exposed on the lower surface of the apparatus main body, and a drive roll 818 is in contact with another part of the outer periphery to be frictionally coupled. The main drive roll 811 and the drive roll 818 have the same diameter. Furthermore, a pinch roll 819 is provided at a position facing the drive roll 818.

An assembly of the digitizer 700 and the display panel 721 is sandwiched between the drive roll 818 and the vinyl roll 819 and engaged with them. Further, in the vicinity thereof, guide members 816a, 816b and an idler roll 817a are provided in order to restrict the movement path of the assembly of the digitizer 700 and the display panel 721.

817b is provided.

This embodiment operates similarly to the third embodiment, except that guide members 816a, 816b and idler roll 817a,
817b, the portions of the digitizer and display panel that protrude to the right from the main body of the apparatus are arranged close to the document or recording medium placed on the bottom surface of the apparatus. Therefore, this embodiment has the advantage that parallax is less likely to occur in alignment between the surface of the digitizer and the display panel and the surface of the document or recording medium underneath than in the third embodiment.

In the above embodiment, before recording an image, the image to be recorded is displayed on the display panel and the image is aligned with the recording medium. Even if you change the display panel to simply display visible information such as its outline indicating its range,
Similarly, alignment can be easily performed. In that case, the number of pixels required for one display panel will be reduced.
There is an advantage.

[Effect] According to the present invention, the shape of the area targeted for one image processing is
Since multiple shapes are stored in the region information storage means, by selecting one of these shapes, there is no need to input each coordinate of the region, and it is possible to easily create a specific shape that is accurate and clean without distortion. It can be specified with .

Further, in an embodiment in which the area information storage means is provided with a read/write memory and an arbitrary shape inputted by an operator and specified by a group of two-dimensional coordinates can be registered on the area information storage means as a region shape, regularity Even when specifying an arbitrary shape with a small number of shapes as a region shape, by registering it in advance, the region can be designated later by simply performing a selection operation.

Further, the display means has a display surface that is light-transmissive, the display means is configured so as to be placed facing the document surface, and visible information indicating the range of the area is displayed in actual size on the display means. In this embodiment, the image on the document and the visible image of the area to be subjected to image processing can be viewed simultaneously on the display means, so that the range of the specified area and the position of the image on the document can be viewed simultaneously. Matching can be done extremely easily and accurately. Therefore, even if accurate alignment is required, there is no need to repeat document position change and image reading for alignment, and image processing for the desired area can be performed accurately with one alignment and image reading. can be done.

[Brief explanation of the drawing]

FIG. 1 shows an apparatus for carrying out the present invention! FIG. 2 is a perspective view showing the appearance of a system using the 340 in use. 2 and 3 are a front view and a block diagram, respectively, showing the configuration of the device 340 of FIG. 1. Figure 4 shows the device! ! FIG. 3 is a perspective view showing the arrangement of a reading optical system and a recording system of the No. 340. FIG. 5 is a plan view showing the display/entering crab knit 100. FIG. 6 is a block diagram schematically showing the configuration of the image processing unit 280. FIG. 7, FIG. 8, and FIG. 9 are time charts showing the operation timing of the device 340. FIG. 1O shows the timing/area signal generation unit 231.
FIG. 2 is a block diagram showing the configuration of FIG. FIGS. 11a and 11b are plan views showing display contents on the display panel 121. FIG. 12, 13, and 14 are block diagrams showing a portion of the configuration of a spatial filter unit 281, a color correction unit 283, and a variable magnification unit 284, respectively, in the image processing unit 280. Figures 15 and 16
The figures are block diagrams showing the configurations of imaging units 182a and 182c, respectively. FIG. 17 is a flowchart outlining the operation of device 340. Fig. 18, Fig. 19, Fig. 20, Fig. 21, Fig. 22,
Figure 23, Figure 24, Figure 25, Figure 26, Figure 27,
Figure 28. Figures 29a, 29b, 29c, 29d, and 30a. FIGS. 30b, 31a, and 31b are plan views showing the appearance of the display/entering knit 100 containing visible information displayed on one display panel 121. FIG. FIG. 32 and FIG. 33 are a perspective view and a front view showing the internal configuration of the second embodiment, respectively. FIG. 34 shows the second. FIG. 3 is a block diagram showing the configuration of third and fourth embodiments. FIG. 35 and FIG. 36 are a perspective view showing the third embodiment and a front view showing the internal configuration, respectively. FIG. 37 and FIG. 38 are a perspective view and a front view showing the internal structure of the fourth embodiment, respectively. FIGS. 39a and 39b are flowcharts showing part of the operation of the MPU 222. FIG. 10: Original (or recording medium) 90: Personal computer 100: Display/input unit 102.104: Light emitting diode array 103.105
: Photodiode array 121.321,521,7
21: Liquid crystal display panel (display means) 123 Nilight guide 126: LC:D drive 127: Display memory 140: Image memory 160: Recording unit 180: Image reading unit 182: Imaging module (imaging means) 190: Zoom lens 194: Fluorescent lamp 201.
211: Motor rotor 202X, 202Y, 212X, 212YH field coil 203X, 203'! , 213X, 213'/ : a
- Tally encoder 205: Display/input frame 214: Main drive unit 221 System bus 222: MPU (f[!
Child control means) 223: ROM 224: RAM (area information storage means) 225: DMA controller 226: Interrupt controller 227: Floppy disk drive 230: I10 port 231: Timing/area signal generation unit 232: Font memory 251: Optical sensor +, 252: Magnetic sensor 2
53-258; Switch 280: Image processing unit (image processing means) 281: Spatial filter unit 282: Gamma correction unit 283: Color correction unit 284: Variable magnification unit 288: Dither processing unit 300. 500, 700: Digitizer unit 10
2 to 105, 300, 500, 700: (Input means) 340: Image processing terminal device 411 nispool 412: Axis 61L, 81
1: Main drive roll 618° 818: Drive roll 5ELL~5EL5: Selection circuit voice diagram *6 To Figure 14Ll 121d 121c East 22 Figure 51iij 20 Figure 1G2 p2 East 32 Ward Voice 33 Prisoner □Y East 35 Ward Voice 36 Ward α℃ Door 37th ward voice 38th ward (/ %39b figure

Claims (3)

[Claims] (1) Imaging means that can be placed on any document and reads the document image by dividing it into pixel units; includes a holding means that holds independent processing parameters for each image area, Image processing means that performs image processing on the information according to the content specified on the holding means; Area information storage means that stores information indicating at least the shape of a plurality of types of areas; Input means that inputs various instruction information; Display means and controlling the imaging means, image processing means, area information storage means, input means, and display means to display visible images of the plurality of areas stored in the area information storage means on the display means. The holding means of the image processing means selects the area specified by the input means, sets the position of the selected area to the position specified by the input means, and associates it with each set area. An area specifying image reading device comprising: electronic control means for setting processing parameters specified in the image reading apparatus. (2) the area information storage means includes a read/write memory;
The input means includes means for inputting two-dimensional coordinates, and upon receiving a predetermined instruction, the electronic control means stores a shape determined by the two-dimensional coordinate group input by the input means in the area information storage means. The area specified image reading device according to claim 1, wherein the area specified image reading device is registered as information. (3) The display means has a display surface that is optically transparent;
2. The area designation image reading device according to claim 1, which is configured to be able to be placed on a document image.