JPH02288545A - Image processing 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 processing system that outputs an input image to a recording medium.

[Prior Art] Conventionally, in an image processing system, for example, a facsimile machine used in an office, on the sending side.

After reading a document, it is common to encode all the data of the read document and transfer the data to the receiving device.

[Problem to be solved by the invention] However, the above-mentioned conventional facsimile does not have an editing function, so even if the content you want to send is only a small part of the document, the entire document is sent, meaning that unnecessary parts or parts that you do not want to send are sent. There was a drawback that only a portion of the data was sent. In addition, in order to avoid this, it was necessary to manually create a separate manuscript for transmission, which was time-consuming.

Furthermore, if the image information to be transmitted is smaller than the size of the recording medium to be output, in order to output the image to the desired position on the recording medium, it is necessary to use a transmitter that is the same size as the recording medium and exactly as the output image. I have to create a manuscript,
It took a lot of time.

Furthermore, attributes of the image information, such as the color configuration of the image information, whether it is binary or multi-valued, and whether it is compressed or not, cannot be communicated before transmitting the image information.

[Means and effects for solving the problem] According to the present invention, there is provided an input means for inputting image information, a storage means for storing the image information inputted by the input means, and an image information stored in the storage means. a display means for displaying the area, a designation means for designating an area on the display means, an instruction means for instructing information related to the image information, a transmission means for transmitting the information; a first control means for controlling the transmission means to transmit the image information of the area designated by the designation means together with instruction information from the instruction means; a reception means for receiving information; an output means for outputting image information; and a second control means for controlling the image information received by the receiving means to be output to the output means based on instruction information from the instruction means received together with the image information. By having this, an arbitrary range in the document can be set as the image to be transmitted, the output position of the transmitted image on the receiving side can be set on the transmitting side, and attributes of the transmitted image can be specified.

[Embodiment] FIG. 1 shows a configuration diagram of an image processing system according to an embodiment of the present invention. In the figure, 31 is the main control unit for controlling the entire system; 32 is the operation unit for the user to operate; 33 is the image data read from the reading unit 34 and the image data sent from the other party's system. 36 is a data converter that converts the data read from the reading unit into data for transfer when sending it to the other system, or converts the received data for transfer into a data format for outputting to the output unit 35 37 is a communication control unit that controls communication, and 38 is a display unit that displays data.

In this embodiment, it is assumed that communication of image data is carried out by connecting two devices shown in FIG. 1 via a communication line.

Next, an example of the configuration of the reading section 34 and the output section 35 is shown in FIG. As shown in the figure, the device in FIG. 9 has a digital color image reading device (hereinafter referred to as a color scanner) on the top.
1o1 and digital color image print on the bottom! (hereinafter referred to as a color printer) 102. This color scanner 101 reads color image information of a document for each color using color separation means and a photoelectric conversion element such as a CCD, and converts the information into electrical digital image signals. Also,
The color printer 102 is an electrophotographic laser beam color printer that digitally reproduces a color image in each color according to an image signal, and records the image by transferring it to recording paper multiple times in the form of digital dots.

First, an overview of the color scanner 101 will be explained.

Reference numeral 103 denotes an original, 204 a platen glass on which the original is placed, and 105 a rod array lens for condensing the reflection structure from the original exposed by the halogen exposure lamp 110 and inputting the image to the 1-magnification full-color sensor 106. 105, 106, 107, and 110 are integrated as a document scanning unit 111 to perform exposure scanning in the direction of arrow A1. A color separation image signal read line by line without exposure scanning is amplified to a predetermined voltage by a sensor output signal amplification circuit 107, and then inputted to a video processing unit 112 via a signal line 501 for signal processing. . 50
1 is a coaxial cable for ensuring faithful transmission of signals. A signal 502 is a signal line that supplies driving pulses for the same-magnification full-color sensor 106, and all necessary driving pulses are generated within the video processing unit 112. 10
8.109 is a white plate and a black plate for white level correction and black level correction of image signals, and halogen exposure lamp 1
By irradiating at
Used for black level correction. 113 is a control unit having a microcomputer, which is connected to bus 5.
08, the display on the scanning panel 20, key manual control and control of the video processing unit 112; position sensors Sll and S21 detect the position of the document scanning unit 111 via signal lines 509 and 510;
Stepping motor drive circuit control for pulse-driving the stepping motor 114 for moving the scanning body 111 through signal line 504, ON10F F control of the halogen exposure lamp 10 by the exposure lamp driver via signal line 504, light amount control, and signal line 505. Digitizer 11 via
It performs all controls of the color scanner section 101, such as control of the color scanner section 6, internal keys, and display section. During exposure scanning of an original, the color image signal read by the exposure scanning unit 111 mentioned above is input to the video processing unit 112 via the amplifier circuit 107 and the signal line 501, and is subjected to various processes described later in this unit 112. and sent to the printer unit 102 via the interface circuit 156.

Next, an overview of the color printer 102 will be explained. 711
is a scanner, which includes a laser output unit that converts an image signal from the color scanner unit 101 into an optical signal, a polygon mirror 712 having a polyhedron (for example, an octahedron), a motor (not shown) that rotates this mirror 712, and an f/θ lens. (imaging lens) 713, etc. 714 is a reflection mirror that changes the optical path of the laser beam, and 715 is a photosensitive drum. The laser beam emitted from the laser output section passes through the polygon mirror 71
2 and linearly scans (raster scan) the surface of the photosensitive drum 715 through a lens 713 and a mirror 714, forming a latent image corresponding to the original image.

In addition, 717 is a primary charger, 718 is a full exposure lamp,
723 is a cleaner section that collects residual toner that has not been transferred; 724 is a pre-transfer charger; these members are arranged around the photosensitive drum 715.

726 is a developing unit that develops the electrostatic latent image formed on the surface of the photosensitive drum 715 by laser exposure, and 731Y, 731M, and 731C1731Bk are developing sleeves that directly perform development in contact with the photosensitive drum 715;
30Y, 730M, 730G, and 730Bk are toner hoppers that hold spare toner; 732 is a screw that transports the developer; and these sleeves 731
Y~7318k, toner hopper 730Y~7308k
and the rotation axis P of the developing unit by the screw 732.
For example, when forming a yellow toner image, yellow toner development is performed at the position shown in this figure, and when forming a magenta toner image, the developing unit 726 is moved to the axis P shown in the figure. Rotating around the photoconductor 71
A developing sleeve 73 in the magenta developing device is located at a position in contact with 5.
1M will be installed. Cyan and black development operate in the same way.

Further, 716 is a transfer drum that transfers the toner image formed on the photosensitive drum 715 onto paper, 719 is an actuator plate for detecting the moving position of the transfer drum 716, and 720 is a drum that is in close proximity to this actuator plate 719. 725 is a transfer drum cleaner, 727 is a paper pressing roller, 728 is a static eliminator, and 729 is a transfer charger, and these members 719.7
20.725.727.729 are arranged around the transfer roller 716.

On the other hand, 735 and 736 are paper feed force cellars 1-1737 and 738 are cassettes 735 and 736 that store paper (paper sheets).
Paper feed roller that feeds paper from 739.740.74
Reference numeral 1 denotes a timing roller that takes the timing of paper feeding and conveyance, and the paper fed and conveyed via these is guided to a paper guide 749 and struck, and its leading edge is wound around the transfer drum 716 while being carried by a gripper to be described later, forming an image. Shift to the formation process.

Further, 550 is a drum rotation motor, and the photosensitive drum 7
15 and the transfer drum 71G are rotated synchronously. 750 is a peeling claw that removes the paper from the transfer drum 716 after the image forming process is completed, 742 is a conveyance belt that conveys the removed paper, and 743 is an image fixing unit that fixes the paper conveyed by the conveyance belt 742. , the image fixing section 743 has a pair of heat pressure rollers 744 and 745.

Next, the control section 113 of the scanner section 101 will be explained with reference to FIG.

The control unit is a CPU, which is a microcomputer.
122, video signal processing control, a lamp driver 121 for exposure and scanning, a stepping motor driver 115, a digitizer 116, and an operation panel 120 are controlled by signal lines 508 (bus), 503, 504, and 122, respectively.
505 etc. to obtain the desired copy.
Organically controlled according to OM123, RAM124.125. Non-volatility of the RAM 125 is guaranteed by a battery 131. 505 is a signal line for serial communication which is commonly used for CPU 122 and digitizer 116.
The operator inputs the protocol using the redigitizer 116. That is, 505 is a signal line for manually inputting coordinates, area instructions, copy mode instructions, magnification ratio instructions, etc. when editing the ljI 43, for example, moving or compositing. The signal line 503 is a signal line through which the CPU 122 instructs the motor driver 115 about scanning speed, distance, forward movement, backward movement, etc. input the pulse to give the motor rotational operation. Serial I/F1
29.130, for example, is a general circuit realized by a serial communication l-1) such as Intel Corporation's 8251.Although not shown, the digitizer 11G and motor driver 115 also have similar circuits. ing.

Also, S11. S21 is a sensor for detecting the position of the original exposure scanning unit (111 in FIG. 1), and Sll detects the home position, and white level correction of the image signal is performed at this location. In S21, it is detected that there is a document exposure scanning unit at the leading edge of the image, and this position becomes the reference position of the document.

6 signals ITOP, BD, VCLK, VID in Figure 2
EO1H3YNC and SRCOM (511-516) are interface signals between the color printer section 102 and scanner section 101 in FIG. 1, respectively. The image signal VIDEO 514 read by the scanner unit 101 is all sent to the color printer unit 102 based on the above signals. ITOP is a synchronization signal in the image forwarding direction (sub-scanning direction), and occurs once for sending out one screen, that is, once for each of the four color images (yellow, magenta, cyan, black), for a total of four times. However, this is because when the leading edge of the transfer paper wrapped around the transfer drum 716 of the color printer section 102 receives the toner image transfer at the contact point with the photosensitive drum 715, the leading edge of the document is It is synchronized with the rotation of the transfer drum 716 and the photosensitive drum 715 so that the image and position match, and the video processing unit 112 of the scanner section 101
Furthermore, the CPU 122 in the controller 113
The image side in the sub-scanning direction for editing, etc. is performed based on the interruption of The image signal read by the scanner unit 101 is sent line by line in the main scanning direction to the printer unit 102 in synchronization with the BD. This is a synchronous clock for sending out the video data 514 to the color printer unit 102, and sends out the video data 514 via the flip-flop circuit.

H3YNC515 uses VCLK513 from BD signal 512
It is a main scanning direction synchronization signal generated in synchronization with the BD, and has the same period as the BD, and strictly speaking, the VIDEO signal 514
It is sent out in synchronization with YNC515. This is BD signal 5
15 is generated in synchronization with the rotation of the polygon mirror, it contains a lot of jitter from the motor that rotates the polygon mirror 712, and if the BD double signal is synchronized as it is, jitter will occur in the image, so the jitter is generated based on the BD double signal. This is because HSYNC 515, which is generated in synchronization with VCLK, is required. SRCOM is a signal line for half-duplex bidirectional serial communication, and it receives instructions from the scanner unit 101 to the printer unit 102, such as color mode, cassette selection, etc., and status information of the printer unit, such as jam, out of paper, etc.
All information such as weights is exchanged via this communication line SRCOM.

The operation of this embodiment will be described below with reference to the drawings.

Assume that the diagram shown in FIG. 2(a) is a manuscript to be transmitted. A case where the portion surrounded by a frame 21 in FIG. 2(a) is transmitted by changing the output position as shown in FIG. 2(b) will be described. First, the original shown in FIG. 2(a) is read from the reading section 34, and image data is captured into the memory 33. Next, use the operation unit 32 to specify the area 21 to be transmitted on the display unit 38 using a cursor or the like, and then set the output position of this image data on the output paper on the receiving side as shown in FIG. 2(b). In response to this operation, which is performed by specifying the address of the position of the output start point 23, the main control unit 31 calculates which part of the image data stored in the memory 33 is to be transmitted. do.

As an example, the number of pixels in the main scanning direction of area 21 in FIG. 2(a), that is, the X size shown by 24 in FIG. 2(b), is 5.
00 pixels, the number of pixels in the sub-scanning direction, that is, Fig. 2(b)
Assume that the y size shown by 25 is 1000 pixels. In addition, the address on the paper of the output start point 23 in FIG. 2(b) is x=1
00, y=75. Furthermore, it is assumed that the current transmission data format is full color, RGB, 8 bits each, and uncompressed. These pieces of information are sent as additional information to the image data to be sent to the other party's system in accordance with the format shown in FIG. 3 before the image data is sent. Third
In the figure, lO is the position information of the point (point 23 in the example of FIG. 2(b)) where image data output starts on the output paper on the receiving side, 1
Reference numeral 1 indicates size information representing the size of the area of the image data to be output, and reference numeral 12 indicates color mode information for identifying attributes of the image data to be transmitted. Furthermore, if the color mode information codes in this embodiment are determined as shown in the table shown in FIG. The information is generated by the main control unit 31.

Next, communication control will be explained.

In communication control, first, after transmitting a communication control protocol to the destination system specified by the operation unit 32,
A command is issued to clear the memory on the receiving side, and then the additional information is transmitted. After that, the image data to be transmitted is transmitted, and the transmission is completed.

Finally, the operation of the receiving system will be explained.

After executing the memory clear request received from the transmitting side, the system on the receiving side writes the image data (to be transferred) to the memory 33 on the receiving side based on the additional information.
The output image shown in FIG. 2(b) can be obtained by outputting the information written in the memory from the output section 35 onto recording paper.

In this embodiment, a case has been described in which one image is transmitted and output, but a plurality of images can be combined by repeating area designation and transmission. Furthermore, when composing a plurality of images, the format of the image data to be transferred does not need to be one, as can be easily guessed. Furthermore, the color mode information table shown in FIG. 4 is not limited to this table; by changing the data converter 36, it can be transmitted to various image data formats. For example, in the case of compressed data, , the compressed format may also be transmitted.

Next, a method for editing and outputting received image data in the receiving side system will be described.

To simplify the explanation, consider enlargement processing as an editing function. In the receiving system, the received image data is the image data shown in FIG. 2(b), and it is assumed that the image data has already been stored in the memory within the receiving system. Further, the magnification ratio is set to "2" in both the X direction and the X direction. As described above, when the additional information shown in FIG. 5 is sent prior to image data transmission, the address in the memory 33 of the starting position of the image data can be calculated from the position information in the additional information. FIG. 7 shows a block diagram of the data converter in this embodiment. In the figure, 70 and 75 are initial value registers that respectively store the x and y values at the output start point. Further, 72 and 73 are increment registers for storing the reciprocals of the enlargement ratios in the X direction and the
Store J. The adders 76, 77 set the values of the initial value registers 70, 75 as initial values, respectively, according to the respective synchronization signals 79 and 7100, and set the values of the X registers 71 . ,Y
It operates to add the value stored in the increment register 72.73 to the value in the register 74 as an increment value, output it to 7110 as an address signal, and write the result to each register 71.74.

In the case of this embodiment, 100 is set in the X initial value register 70, 75 is set in the Y initial value register 75, and the
2. When both the X increment register 73 is set to 0.5, the X register 71 becomes r 100, 100.5, 1
01.0...'' and the Y register 74 is r75
．． 0, 75.5, 76.0...'' and outputs the X register 71. Based on the address output from the Y register 74, the memory 33 is accessed, the corresponding image data is taken into the data converter 78, and is outputted to the output unit 35 through the bus 7130. By repeating this process for X and Y pixels indicated by the size information in the additional information, enlarged image data is obtained. In this embodiment, the image data from the memory 33 on the receiving side corresponding to the output image set by the sending side is started from the output start position specified by the sending side, and the image data is captured for the number of pixels specified by the sending side. , only the useful image data specified by the sending side is enlarged and output to the output section 35. Further, at this time, the output start position on the output paper may be specified by the receiving side using an address, or may be displayed on the display unit 38 and set by movement on the display. An example of the output of the enlarged image is shown in FIG.

If there is no additional information such as position information, it is easy to infer that the CPU or the like may scan the memory 33 from the beginning and calculate the address where the image data starts.

Next, an explanation will be given of the operation when there is an auxiliary storage device which can store image data for several sheets in addition to the memory 33 as shown in FIG.

As mentioned above, when sending a copy of a document, it is necessary to clear the memory on the receiving side. Before clearing the memory, the image data and additional information currently stored in the memory are saved to the auxiliary storage device. In this case, the evacuated received data can be recalled later, edited and output by the receiving system, or the received image data can be sent to another system.

Also, even when data is sent from multiple systems at the same time, this auxiliary storage device allows data to be received at the same time. It is also possible to send while receiving.

[Effects of the Invention] As explained above, since it is now possible to specify the area to be transmitted in a document on the transmitting side system, there is an effect that only the necessary portion of the document can be transmitted.

Further, it has the effect that the output position and color configuration of the transmitted image on the receiving side can be set on the transmitting side.

[Brief explanation of drawings]

Figure 1 is a system configuration diagram of the first embodiment, Figure 2 (a) is a diagram showing an example of a transmitted image, Figure 2 (b) is a diagram showing an example of a received image, and Figure 3 is a diagram showing an example of a received image. Format of additional information, FIG. 4 is a diagram showing an example of a color mode code table, FIG. 5 is a diagram showing an example of additional information, FIG. 7 is a block diagram of another embodiment, 2...Printer 31 ...Main control section 32...Operation section 33...Memory 34...Reading section 35...Output section 37...Communication control section 38...Display sections 70 to 75...Register 76 .77... Adder 78... Data converter 80... Auxiliary storage device γ10

Claims (3)

[Claims] (1) An input means for inputting image information, a storage means for storing the image information input by the input means, a display means for displaying the image information stored in the storage means, and an area on the display means. a specifying means for specifying; an instruction means for specifying information related to image information; a transmitting means for transmitting information; a first control means for controlling the transmission means to transmit together with instruction information by the means; a reception means for receiving the information; an output means for outputting the image information received by the reception means; and second control means for controlling output of the image information to the output means based on instruction information from the instruction means received together with the image information. (2) The image processing system according to claim 1, wherein the instruction information by the instruction means includes information indicating an output position of the image information on the output means. (3) The image processing system according to claim 1, wherein the instruction information provided by the instruction means includes information indicating an attribute of the image information.