WO2007125825A1 - カメラ装置および画像記録再生方法 - Google Patents
カメラ装置および画像記録再生方法 Download PDFInfo
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- WO2007125825A1 WO2007125825A1 PCT/JP2007/058610 JP2007058610W WO2007125825A1 WO 2007125825 A1 WO2007125825 A1 WO 2007125825A1 JP 2007058610 W JP2007058610 W JP 2007058610W WO 2007125825 A1 WO2007125825 A1 WO 2007125825A1
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- Prior art keywords
- image
- video
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- sound
- enlarged
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19695—Arrangements wherein non-video detectors start video recording or forwarding but do not generate an alarm themselves
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/698—Control of cameras or camera modules for achieving an enlarged field of view, e.g. panoramic image capture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/81—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/77—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
- H04N5/772—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera the recording apparatus and the television camera being placed in the same enclosure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/915—Television signal processing therefor for field- or frame-skip recording or reproducing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
- H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
Definitions
- the present invention relates to a camera device using a wide-angle photographic lens and an image recording / reproducing method.
- a surveillance system having a camera device for photographing the inside of the store or the like has been used as a countermeasure against crimes such as robbery, theft, or vacant nest.
- surveillance systems have begun to spread to ordinary households as crime has increased in recent years.
- a camera device used in such a monitoring system is required to be able to shoot with a wide angle and a shooting angle of view so that the monitoring range can be taken without blind spots.
- a camera device using an omnidirectional imaging lens as a camera device having a wide angle of view is disclosed in Patent Document 1, for example.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2003-303335
- the present invention is a camera device that can record an image of a wide range and displays a narrow range of images based on predetermined information, thereby making it easy to determine the contents of a necessary image. It is another object of the present invention to provide an image recording / reproducing method.
- the camera device of the present invention includes a wide-angle shooting lens and a camera unit having an imaging unit that forms an image of the light of the subject that has passed through the imaging lens, and a sound or / And a microphone that collects the sound around the subject and an image formed on the imaging means
- Processing control means for performing image processing of the image data of the image image and recording the image processed image data and sound collected by the microphone, and collecting the video of the image data processed by the processing control means.
- the processing control means includes a process for recording the entire captured image and a video on the display means. When displaying, the processing is performed to cut out and display the area in the direction of sound or the specified area based on the collected sound or other information from the entire captured image.
- the processing control means generates a reduced video in which the entire captured image is displayed in a partial area of the display screen and the data amount of the image is reduced.
- Reduced video generation processing, and enlarged video generation processing that corrects distortion caused by the photographic lens for one or more parts of the captured image and generates a clipped video that is enlarged compared to the reduced video.
- control for displaying reduced video and enlarged video on the display screen According to the present invention, it is possible to view an image of the details of the shooting range with the enlarged image whose distortion has been corrected, and it is possible to see the entire state of the shooting range with the reduced image.
- another invention is based on the above-described invention, and a reduced video is displayed indicating a range corresponding to the enlarged video.
- the reduced video is displayed indicating the range corresponding to the enlarged video, so that the positional relationship of the enlarged video in the reduced video can be easily confirmed.
- the area to be cut out is a direction in which sound is generated, a change area in which the area changes as the sound moves, and a direction fixed in a specific direction. It is assumed that there are at least two areas, the fixed area, that are displayed on the display screen at the same time.
- the direction of the blackboard is set as a fixed area and the speaker is set as a change area, so that the state of the conference can be displayed appropriately and all areas can be displayed. It can be saved as a record.
- the image recording / reproducing method of the present invention includes a recording step of recording the entire captured image captured by the wide-angle imaging lens and recording the sound collected by the microphone, and the entire captured image.
- the entire photographed image is a circular image having a 360-degree circumference
- the limited image is an enlarged image enlarged by interpolation processing or the like.
- the image data for the enlarged image can be made to be image data of only the portion corresponding to the enlarged image in the image data of the captured image, and the transfer time of the image data to be displayed Can be shortened. For this reason, the enlarged image can be smoothly displayed.
- an area in the direction of sound can be appropriately displayed later.
- the camera device and the image recording / reproducing method of the present invention it is possible to record an image obtained by photographing a wide range, and to display an image in a narrow range based on predetermined information. For this reason, if the user wishes to view the image, the entire photographing range can be viewed at any time, and the necessary portion can be viewed as an image that can be easily discriminated.
- FIG. 1 is a diagram showing an overall configuration of a camera device according to a first embodiment of the present invention.
- FIG. 2 is a perspective view showing a configuration of a camera unit of the camera device in FIG. 1.
- FIG. 3 is a block diagram showing a configuration of the camera device of FIG. 1.
- FIG. 4 is a diagram showing a video display mode in the camera device of FIG. 1.
- FIG. 5 is a diagram showing another display mode of video in the camera device of FIG. 1.
- FIG. 6 is a diagram showing another display mode of video in the camera device of FIG. 1.
- FIG. 7 is a diagram showing a configuration of a camera device according to a second embodiment of the present invention. 8] FIG. 8 is a block diagram showing the configuration of the camera device of FIG. Explanation of symbols
- a camera apparatus 100 according to a first embodiment of the present invention will be described with reference to FIGS.
- the image recording / reproducing method will be described together with the operation of the camera device 100.
- the camera device 100 can be used as a conference camera, a home or office surveillance camera, and can also be used as a camera device for taking an image for product inspection. It can also be used via communication means such as the Internet.
- FIG. 1 shows an overall appearance configuration of the camera apparatus 100.
- This camera device 100 has a camera 200, a monitor 300 as a display means, three microphones 311, 312, 313 which have a functioning effect and an operation device 400 as an operation means.
- a monitor 300 is attached to the operating device 400.
- An image taken by the camera unit 200 is displayed on the monitor 300.
- the operation device 400 includes an operation switch 410, a speaker 420, and the like for operating the camera device 100, such as switching display contents displayed on the monitor 300 of the power switch of the camera device 100.
- the camera unit 200 includes an exterior housing 210, an optical system 220, an imaging element 230 as an imaging unit, and a circuit device 240, which are illustrated by dotted lines in the drawing.
- the outer casing 210 has a small form, for example, having a substantially rectangular parallelepiped shape of 3 cm square.
- the optical system 220 includes a photographing lens 221 and a lens barrel 222.
- the lens barrel 222 is accommodated in the outer casing 210, and the photographing lens 221 is exposed to the outside of the outer casing 210.
- the taking lens 221 is a lens having a wide angle of 180 degrees or more (about 200 degrees) and an optical characteristic of an angle of view.
- This photographic lens 221 has a front surface on the object light incident side bulging like a normal convex lens. It is close to.
- the glass inside the lens is devised, has an angle of view of 180 degrees or more, and can shoot all around the optical axis, that is, all around 360 degrees. .
- An imaging element 230 is disposed at the imaging position of the photographic lens 221.
- CMOS complementary metal oxide semiconductor
- CCD Charge Coupled Device
- photoelectric conversion element may be used instead of CMOS.
- the lens barrel 222 is provided with a focus adjustment knob 223.
- the lens barrel 222 is configured to advance and retreat in the optical axis direction with respect to the imaging element 230 when the pin adjustment knob 223 is picked up with a finger and rotated around the optical axis. Therefore, the position of the photographic lens 221 in the optical axis direction can be adjusted by the focus adjustment knob 223 so that the imaging position of the photographic lens 221 becomes the imaging surface of the imaging device 230.
- the size of the imaging surface of the imaging device 230 and the imaging lens 221 and the imaging device 230 are such that the image formed by the imaging lens 221 is entirely within the imaging surface of the imaging device 230. And the arrangement is configured. Therefore, a circular image is formed on the imaging surface of the imaging element 230 corresponding to the shape of the photographing lens 221.
- the camera unit 200 includes a microphone 201, a USB connection unit 203 to which a USB (Univereal Serial Bus) cable 202 as a communication means is connected, and an AV signal output unit 204 that outputs audio and video signals.
- a USB connection unit 203 to which a USB (Univereal Serial Bus) cable 202 as a communication means is connected
- an AV signal output unit 204 that outputs audio and video signals.
- the microphone 201 and the microphones 311, 312, and 313 are used to capture sound in a place where shooting is performed. That is, the microphone 201 and the microphones 31 1, 312, and 313 collect sounds emitted from the subject and sounds around the subject.
- the camera unit 200 and the operation device 400 are connected to each other via a USB cable 202 connected to the USB connection unit 203 so that they can communicate with each other.
- the AV signal output unit 204 is used when outputting the image data on the camera unit 200 side and the audio signal collected by the microphone 201, the microphones 311, 312, and 3 13 to the monitor 300 and the speaker 420.
- FIG. 3 is a block diagram showing the configuration of the circuit device 240 serving as the processing control means and the overall configuration of the camera device 100. The operation and the like of the camera device 100 will be described with reference to FIG.
- the circuit device 240 can also be configured as an image processing device.
- the light of the subject that has passed through the photographing lens 221 forms an image on the image pickup surface of the image pickup device 230, and an image signal based on this formed image is output from the image pickup device 230.
- the image signal output from the image sensor 230 is input to the circuit device 240.
- the circuit device 240 includes an image signal processing unit 241, an image compression processing unit 242, a control unit 243, a memory 244 provided for the control unit 243, a coordinate conversion unit 245, and the coordinate conversion unit 245. About equipped with memory 246.
- the image signal output from the image sensor 230 is input to the image signal processing unit 241.
- predetermined image processing such as color processing is performed on the image signal from the image sensor 230.
- the image compression processing unit 242 compresses the image data of the image signal subjected to the image processing by the image signal processing unit 241, and generates compressed image data in which the data amount of the image data is reduced.
- JPEG Joint Photographic Experts Group
- the control unit 243 controls the operation of the camera device 100, including video generation processing and audio signal reproduction in accordance with the display mode of the captured image displayed by the imaging lens 221 displayed on the monitor 300. As shown in FIGS. 4, 5, and 6, which will be described later, the camera device 100 according to this embodiment selects a plurality of display modes having different video contents and displays them on the monitor 300. can do.
- the control unit 243 performs image processing and sound processing for generating a video image that is displayed in various display modes from the image data of the captured image.
- the control unit 243 is configured by, for example, a CPU (Central Processing Unit).
- the memory 244 includes a work memory for executing this program in addition to a program for operating each part of the camera device 100.
- the memory 244 is used in the processing in the image signal processing unit 241 and the image compression processing unit 242.
- the memory 244 records sound signals collected by the microphone 201 and the microphones 311, 312, and 313, and also records the entire image (circular image) compressed by the image compression processing unit 242.
- the direction of the sound to be described later is determined based on the sound collected by the three microphones 311, 312, and 313.
- the direction of the sound including the sound picked up by the microphone 201 is determined. It may be detected.
- the coordinate conversion unit 245 performs image processing for generating a video corresponding to each display mode based on the image data from the image compression processing unit 242 together with the control unit 243.
- the coordinate conversion unit 245 processes the captured image on the imaging surface of the image sensor 230 so as to be an image displayed in each display mode and displays the image on the monitor 300. It has a function of converting the coordinate position into the coordinate position of the video on the monitor 300.
- the memory 246 is a work memory when image processing is performed using the coordinate conversion unit 245.
- the monitor 300 displays a video based on the image signal output from the circuit device 240.
- it is composed of a liquid crystal display device, a CRT display device, or a plasma display device.
- the operation device 400 includes a power switch of the camera device 100, an operation switch 410 for operating the camera device 100 for switching display contents displayed on the monitor 300, a speaker 420, and the like (see FIG. 1). It is done. Based on the operation content of the operation switch 410, the camera device 100 operates via the control unit 243. The instruction of the operation switch 410 is transmitted to the control unit 243, and a predetermined operation is executed. The operation switch 410 is used when designating the position of the area display described later.
- the operation switch 410 is provided with a main selection button 411 and a sub-selection button 412 for switching a video display mode by the photographing lens 221 displayed on the monitor 300.
- a main selection button 411 and a sub-selection button 412 for switching a video display mode by the photographing lens 221 displayed on the monitor 300.
- the initial display mode when the photographic image of the photographic lens 221 is displayed after the power is turned on is the entire image 310 shown in FIG. 4 (A).
- the overall display mode is displayed.
- the camera unit 200 is installed, for example, on a desk in the center of the conference room, and in the entire image 310 shown in the drawing, the vertical direction of the page is the conference room.
- the following explanation will be given on the assumption that the front-rear direction and the left-right direction of the page correspond to the left-right direction of the conference room.
- the entire image 310 is a display in which the image of the photographing lens 221 formed on the imaging surface of the image sensor 230 is displayed as it is. As described above, the imaging size of the photographic lens 221 is within the imaging plane of the imaging element 230.
- the imaging contour of the imaging lens 221 on the imaging surface of the imaging element 230 is circular, and the portion of the imaging surface other than the imaging portion is a dark portion with a small amount of light.
- pixel data is treated as 0-brightness data for portions other than the imaging portion of the photographing lens 221 on the imaging surface. Therefore, in the entire image 310, the image formed by the imaging lens 221 is displayed in a circle, and the other portions are displayed in black. Note that the entire image 310 is an image captured at a field angle of 200 degrees by the photographic lens 221, so that the so-called distortion aberration increases from the center toward the periphery.
- the entire video 310 is compressed by the image compression processing unit 242 and then stored in the memory 244.
- Microphones 311, 312 and 313 are placed around camera B200 at intervals of 120 degrees.
- the sounds collected by the three microphones 311, 312, 313 are processed by the control unit 243 and stored in the memory 244 as digital signals. These images and sound are all stored in the memory 244 during the conference.
- the recording operation and the recording step are completed by turning off the power of the camera device 100. It is also possible to provide a recording button that switches the start and end of recording when the power is turned off and start the recording by pressing the recording button.
- the display of the monitor 300 is displayed by pressing the main selection button 411 to display the enlarged image 320 shown in FIG. 4 (B) from the whole display mode in which the whole image 310 shown in FIG. 4 (A) is displayed.
- the ability to switch to the enlarged display mode and the combined display mode I for displaying the combined video 330 shown in FIG. To change the display mode, every time the main selection button 411 is pressed, the entire display mode (Fig. 4 (A)) ⁇ enlarged display mode (Fig. 4 (B)) ⁇ combined display mode I (Fig. 4 (C)) ) ⁇ Overall table
- the display mode is switched in the order (Fig. 4 (A)). In other words, by pressing the main selection button 411, three display modes (Fig. 4 (A)), enlarged display mode (Fig. 4 (B)), and combined display mode 1 (Fig. 4 (C)) are displayed. A display mode can be selected.
- An enlarged image 320 in the enlarged display mode shown in FIG. 4 (B) is an entire image shown in FIG. 4 (A).
- a substantially rectangular area 320A indicated by a dotted line is cut out at the center of 310 (cutout step), and the distortion aberration caused by the photographing lens 221 is corrected according to the image of the cut out area. It is an enlarged image that has been enlarged to be displayed on the display screen.
- the area 320A is set to include an image of a subject having a vertical field angle of 90 degrees and a horizontal field angle of 120 degrees with the optical axis of the taking lens 221 as the center.
- the enlarged image 320 is a panoramic image that has a 90 ° field of view in the vertical direction and a 120 ° field of view in the left / right direction centered on the optical axis of the taking lens 221. Yes.
- This enlargement process includes various enlargement processes such as interpolation using the zero-order hold method, linear interpolation method, etc., and enlargement processing to non-integer multiples and integer multiples using digital filters. Adopt treatment methods as appropriate.
- the enlarged video 320 is generated based on image data of a captured image corresponding to the portion of the area 320A. That is, the image data of the image sensor 230 output from the image compression processing unit 242 is generated by performing image processing such as pixel data compensation processing on the image data of the portion corresponding to the region 320A. Through such image processing, the enlarged video 320 is generated as a video that has been subjected to distortion correction processing and enlargement processing for the captured image of the portion corresponding to the region 320A. The enlarged video 320 is generated based on a part of the image data of the image sensor 230, and is generated based on the extracted image data. Therefore, the enlarged video 320 is compared with the case where the enlarged video 320 is generated from the video data of the entire video 310. As a result, the display processing speeds up and the image displayed on the monitor 300 is less deteriorated.
- the combined image 330 in the combined display mode I shown in FIG. 4 (C) is an enlarged image shown in FIG. 4 (B).
- the reduced image 340 of the entire image 310 is displayed at the upper left of the display screen of the monitor 300.
- the reduced video 340 is output from the image compression processing unit 242.
- the image data of the image pickup device 230 is generated by performing pixel data thinning processing or the like. Since the reduced video 340 is generated by thinning out the pixel data, the amount of image data is smaller than the data amount of the entire video 310. As a result, the processing speed of various processes performed on the reduced video 340, such as transfer of image data of the reduced video 340, is increased.
- the means for reducing the image data of the reduced video 340 may be performed by reducing image data such as color information in addition to the above-described pixel data thinning-out process. Further, when shooting the reduced video 340, the image data may be reduced by lowering the frame rate of the shooting.
- the reduced image 340 can be viewed in the center of the shooting range while observing the entire range taken by the taking lens 221. The details can be seen in the enlarged video.
- an area display 341 is displayed as a display indicating a range corresponding to the area 320A. By displaying this area display 341, the positional relationship of the enlarged image 320 in the reduced image 340 can be known.
- each display mode of the overall display mode (Fig. 4 (A)
- a plurality of display modes can be selected for each display mode.
- the display mode of the monitor 300 is the entire display mode (Fig. 4 (A))
- the sub-select button 412 is pressed once
- the enlarged image 320 shown in Fig. 5 (A) is displayed as the display mode of the monitor 300.
- the enlarged image 320 shown in FIG. 5 (A) is the same image as the enlarged image 320 shown in FIG. 4 (B). That is, in the entire display mode (FIG. 4A), when the sub selection button 412 is pressed once, the same enlarged image 320 as when the main operation button 411 is pressed is displayed.
- the display mode of the monitor 300 is changed to the display of the two video power monitors 300 of the 2-split video 350 and the 2-split video 351 as shown in FIG. You can switch to the 2-split display mode displayed at the top and bottom of the screen.
- the two-divided images 350 and 351 are images respectively corresponding to the regions 350A and 351A having a substantially fan-shaped area indicated by a dotted line in the entire image 310 illustrated in FIG. 2 split
- the image 350 is an image corresponding to the image of the extracted region 350A (cutout step) and the divided region 351A, and the two-part video 351 is cut out of the region 351A (cutout step) and the cut-out region It is a video corresponding to the video of.
- the areas 350A and 351A are areas that are set vertically symmetrical with respect to the center of the entire image 310, and each area is, for example, an image of 60 degrees with respect to the optical axis from the peripheral side of the photographing lens 221. It is set to include the image of the subject within the angular range and 110 ° angle of view around the optical axis.
- the two split images 350 and 351 have an image angle of 60 degrees from the periphery of the photographing lens 221 to the optical axis side and 110 degrees in the left-right direction at a position above and below the optical axis of the photographing lens 221. It is a panoramic image that extends in the horizontal direction of the angle of view.
- the images of the regions 350A and 351A are cut out (cutout step), and the distortion aberration caused by the photographing lens 221 is corrected and enlarged for the cut-out region images.
- the two-divided video 350 and 351 are also obtained by performing pixel data interpolation processing on the image data of the image sensor 230 output from the image compression processing unit 242.
- a captured image of a part corresponding to 350A and 351A is generated as an image that has been subjected to distortion correction processing and enlargement processing. Therefore, compared with the generation of the two-divided images 350 and 351 from the image data of the entire image 310, the image displayed on the monitor 300 is less deteriorated.
- the display mode of the monitor 300 is changed to a 4-split video 360, a 4-split video 361, a 4-split video 362, and a 4-split video as shown in FIG. 3 63 4 images can be switched to the 4-split display mode displayed on the top, bottom, left and right of the monitor 300 display screen.
- 4 harm IJ images 360, 361, 362, and 363 are the arc 360-shaped areas 360A, 361A, 362A, and 363A in the overall image 310 shown in Fig. 5 (E). This is an image that has been cut out and enlarged.
- Quadruple video 360 corresponds to area 360A
- quadrant video 361 corresponds to area 361A
- quadrant video 362 corresponds to area 362A
- quadrant video 363 corresponds to area 363A.
- Region 360A, 361A, 362A, 363Af An area that is set at an upper angle of 45 degrees and a lower angle of 45 degrees. Is set to include images of subjects in the 90 ° field of view.
- the four-divided images 360, 361, 362, 363 are 50 degrees from the periphery of the photographing lens 221 to the optical axis side at the positions 45 degrees above and below the left and right of the photographing lens 221. This is a panoramic image with an angle of view of 60 degrees in the horizontal direction.
- Quadrant ij image 360, 361, 362, 363f image of region 360A, 361A, 362A, 363A
- This is a magnified image that has been enlarged so that it will be displayed in full on the display screen of the 4th harm ij video 360, 361, 362, and 363 also have the above-mentioned magnified video 320 and the 2nd harm ij video.
- the image data of the image sensor 230 output from the image compression processing unit 242 is subjected to pixel data complementation processing, etc., thereby corresponding to the regions 360A, 361A, 362A and 363A. Therefore, it is necessary to generate 4 divided images 360, 361, 362, 363 from the image data of the entire image 310.
- the video displayed on the monitor 300 is less That.
- the display on the monitor 300 again becomes the enlarged overall display mode (Fig. 5 (A)).
- the enlarged display mode FIG. 5 (A)
- Fig. 5 (B) ⁇ 4 split display mode I
- Fig. 5 (C) Enlarged display mode
- Fig. 5 (A) ⁇ ⁇ ⁇
- the display mode of the monitor 300 is switched in this order.
- the display mode of the monitor 300 is an enlarged display mode (Fig. 4 (B))
- the display mode of the monitor 300 is changed to the 2-split display mode shown in Fig. 5 (B). Can be switched.
- the display mode of the monitor 300 can be switched to the 4-split display mode shown in FIG.
- the display mode of the monitor 300 is shown in FIG. 5 (A) in which the same video as the enlarged video 320 shown in FIG. 4 (B) is displayed. It becomes an enlarged display mode.
- the display mode of the monitor 300 is the enlarged display mode (FIG. 4B)
- the sub-select button 412 is pressed
- the 2-split display mode (FIG. 5B) is displayed.
- ⁇ 4 split display mode (Fig. 5 (C))
- Enlarged display mode (Fig. 5 (A))
- the display mode of the monitor 300 can be switched in this order.
- the display mode of the monitor 300 is the combined display mode I (Fig. 4C) when the combined video 330 is displayed
- the display mode of the monitor 300 is changed by pressing the sub-select button 412 once.
- the combined video 370 is a video in which the reduced video 340 and the enlarged video 371 are displayed together.
- the enlarged image 371 is an image corresponding to an area designated by an area display 342 having an arch-like substantially fan shape displayed superimposed on the reduced image 340.
- the area display 342 is, for example, a range of an angle of view of 50 degrees with respect to the optical axis from the peripheral side of the photographing lens 221 and a range of an angle of view of 90 degrees around the optical axis in the reduced image 340. It is set to be included in the subject image. That is, the enlarged image 371 is a panoramic image having a field angle of 50 degrees from the periphery of the imaging lens 221 toward the optical axis and a field angle of 90 degrees in the left-right direction.
- the area display 342 can be moved to an arbitrary position in the circumferential direction of the reduced image 340 by rotating the ball switch 413.
- the area designated by the area display 342 moved to a desired position by operating the ball-shaped switch 413 is cut out (cutout step).
- the distortion aberration is corrected and enlarged, and is displayed on the display screen of the monitor 300 (display step).
- the area display 342 is also generated by pressing the sound following switch 414 that does not operate the ball-type switch 413. That is, when the sound following switch 414 is pressed, the control unit 243 automatically displays the area of the loudest voice direction, that is, the area display 342 in the reduced video 340 based on the stored audio signal.
- the corresponding enlarged video 371 is automatically displayed.
- the enlarged image 371 has a 45-degree range in the left-right direction, centered on the direction where the sound is loudest (90 degrees in the reduced image 340). However, this angle range is not 90 degrees but 60 degrees, 45 degrees, etc.
- the direction of the loudest sound Is extracted by the control unit 243 from the arrangement positions of the three microphones 311, 312, and 313 and the volume of sound collected by them.
- the enlarged video 371 is displayed on the region display 342 by performing pixel data interpolation processing or the like on the image data of the imaging element 230 output from the image compression processing unit 242.
- the captured image of the corresponding part is generated as an image that has been subjected to distortion correction processing and enlargement processing. Therefore, compared to generating the enlarged video 371 from the video data of the reduced video 340 generated by thinning out the pixel data, the video displayed on the monitor 300 is less deteriorated. .
- the reduced video 340 is displayed at the upper left of the display screen of the monitor 300.
- the reduced image 340 shows the entire range captured by the taking lens 221 and the shooting range of the area display 342. Can see the details in the enlarged video.
- the positional relationship of the enlarged image 371 in the reduced image 340 can be known.
- the area display 342 and the enlarged image 371 can be changed by operating the ball switch 413.
- the area display 342 and the enlarged video 371 change together with the direction of the sound if the direction in which the sound is loudest changes. With this configuration, even if the speaker changes, the direction of the speaker continues to be enlarged and displayed, and the entire landscape is displayed, so that the situation of the conference can be properly grasped.
- FIG. 6 (A) Display mode power of the monitor 300
- the display mode of the monitor 300 is also shown in Fig. 6 (B). It is possible to switch to the combined display mode III in which the image 380 is displayed.
- This combined video 380 is a video in which two videos, a two-split video 381A and a two-split video 381B, are displayed together with the reduced video 360.
- the two-divided images 381A and 381B are images corresponding to the areas specified by the two area displays 343A and 343B that have an arch-like substantially fan shape displayed superimposed on the reduced image 340.
- the split video 381A corresponds to the area display 343A
- the split video 381B corresponds to the area display 343B.
- the area displays 343A and 343B are, for example, symmetrically on both sides of the optical axis of the photographing lens 221 and within a range of an angle of view of 60 degrees with respect to the optical axis from the peripheral side of the photographing lens 221.
- the two-divided images 381A and 381B have an image angle of 60 degrees from the periphery of the photographing lens 221 to the optical axis side and 110 degrees in the left-right direction at a position symmetrical to the optical axis of the photographing lens 221. It is a panoramic video that spreads in the horizontal direction of the angle of view.
- the area displays 343A and 343B may be adjacent to each other and not symmetrical with respect to the optical axis.
- the area displays 343A and 343B can be moved to arbitrary positions in the circumferential direction of the reduced image 340 by rotating the ball switch 413.
- Divided images 38 1A and 381B are clipped from the region specified by the region display 343A and 343B that are moved to the desired position by operating the ball switch 413 (cutout step).
- the distortion aberration of the photographic lens 221 is corrected and enlarged, and is displayed on the entire display screen above and below the monitor 300 (display step).
- the area indications 343A and 343B are displayed in the direction in which the sound is loudest when the sound tracking switch 414 is pressed and the sub-selection button 412 is pressed again when the sound tracking function is working.
- the direction in which the sound is loud is automatically extracted by the control unit 243 and displayed in the reduced video 340.
- the 2-split video 381A which is an enlarged video, is an image in the area with the loudest sound
- the 2-split video 381B is the video in the area with the next loudest sound. Note that the 2-split video 3 81A and 381B are within the range of 55 degrees left and right from the center of the sound (110 degrees in the reduced video 340), or the angle is not 110 degrees but 90 degrees, 60 degrees, 45 It is good as degree.
- the two-divided images 381A and 381B are pixel data complement processing for the image data of the image sensor 230 output from the image compression processing unit 242.
- a captured image of a portion corresponding to the area displays 343A and 343B is generated as an image that has been subjected to distortion correction processing and enlargement processing.
- the video displayed on the monitor 300 is less degraded than when the two-segment video 381A and 381B are generated from the video data of the reduced video 340 generated by thinning the pixel data. It has become a thing.
- the reduced video 340 is displayed at the upper left of the display screen of the monitor 300.
- the reduced image 340 shows the entire area captured by the taking lens 221.
- the shooting range of 343A and 343B it is possible to see the detailed situation with the enlarged image.
- the area displays 343A and 343B it is possible to know the positional relationship in the reduced image 340 of the two-divided images 381A and 381B.
- the display mode of the monitor 300 is the above-described combined display mode III (Fig. 6B)
- the sub-select button 412 is pressed once
- the display mode of the monitor 300 is shown in Fig. 6C. It is possible to switch to the combined display mode IV in which the combined video 390 is displayed.
- pressing the sub-select button 412 described above means that the sound following function is canceled, and only the ball-type switch 413 is operated. Is possible.
- This combined video 390 is a video in which four video images of four-divided video 391A, four-divided ij video 391 B, four-divided video 391C, and four-divided video 391D are displayed together with reduced video 340.
- Yes. 4 harm ij images 391A, 391B, 391C, 391D are in the area specified by the four area displays 344A, 344B, 344C, 344D, which are displayed in the form of a substantially fan-shaped display superimposed on the reduced image 340.
- the corresponding video is a video in which four video images of four-divided video 391A, four-divided ij video 391 B, four-divided video 391C, and four-divided video 391D are displayed together with reduced video 340.
- Yes. 4 harm ij images 391A, 391B, 391C, 391D are in the area specified by the four area displays 344A, 344B, 344
- 4 split video 391A corresponds to area display 344A
- 4 split video 391B corresponds to area display 344B
- 4 split video 391 C corresponds to area display 344C
- 4 split video 391 D corresponds to area display 344D It responds to.
- Area indications 344A, 344B, 344C, and 344D are scaled / J, and in image 340, symmetrically around the optical axis of the taking lens 221 at an interval of 45 degrees, for example, from the peripheral side of the taking lens 221 to the optical axis. It is set to include images of subjects in the range of 50 degrees and 90 degrees around the optical axis.
- the four-division video 391A, 391B, 391C, and 391D are symmetrical about the optical axis of the photographing lens 221, with an angle of view of 50 degrees from the periphery of the photographing lens 221 to the optical axis, It is a panoramic image with an angle of view of 90 degrees left and right.
- the area displays 344A, 344B, 344C, and 344D can be moved to arbitrary positions in the circumferential direction of the reduced image 340 by rotating the ball type switch 413.
- 4 harm ij video 391A, 391B, 391C , 391D is an area display that has been moved to the desired position by operating the ball-type switch 413.
- 344 ⁇ , 344 ⁇ , 344C, 344D [Image from the specified region is displayed. Aberrations are corrected, and the enlarged images are enlarged so that they are displayed on the upper, lower, left, and right display screens of the monitor 300.
- the four-divided video 391A, 391B, 391C, 391D is the same as the above-described four-delay U video 360, 361, 362, 363 for the image data of the image sensor 230 output from the image compression processing unit 242.
- a portion of the captured image corresponding to the region display 344 ⁇ , 344 ⁇ , 344C, 344D is generated as an image that has been subjected to distortion correction processing and enlargement processing. Therefore, the video data displayed on the monitor 300 is less deteriorated than the four-division video 391A, 391B, 391C, and 391D. It has become.
- the reduced video 340 is displayed at the upper left of the display screen of the monitor 300.
- the reduced image 340 can be used to view the entire image captured by the taking lens 221.
- the area display 344 ⁇ , 344 ⁇ , 344C, 344D the details can be seen in the enlarged image.
- the display mode 1 of the monitor 300 when the display mode 1 of the monitor 300 is displayed together with the display mode 1 (FIG. 4C), when the sub-select button 412 is pressed, the display mode II
- the display mode of the monitor 300 can be switched in the order of (Fig. 6 (A))-> combined display mode III (Fig. 6 ( ⁇ ))-> combined display mode IV (Fig. 6 (C)).
- the combined video 330 (Fig. 4 (C)
- the combined video 370 (Fig. 6 ( ⁇ ))
- the combined video 380 (Fig. 6 ( ⁇ ))
- the combined video 390 (Fig. 6 (C))
- the circuit device 240 power, image data transfer to the monitor 300, the image data of the reduced video 340 and other video (enlarged video 320, enlarged video 371, 2 split video 381A, 381 ⁇ , (4) Harmful ij images 391A, 391B, 391C, 391D (hereinafter these images are collectively referred to as other images)) and transferred at different timings.
- the image of the reduced video 340 Compared to transferring data and image data of another video at the same timing, the transfer time of the image data can be shortened.
- the shooting range shot as another video is shown.
- the image data of the reduced video 340 is displayed in real time in all frames.
- the image data of the other video may be transferred at regular intervals, for example, every 10 frames.
- the image data of the reduced video 340 and the image data of the other video are transferred at a predetermined ratio, for example, the transfer time of the image data of the other video with respect to the transfer time 1 of the image data of the reduced video 340.
- the data may be transferred alternately at a ratio of 4.
- the operation device 400 may be a personal computer.
- the monitor 300 corresponds to a personal computer monitor
- the operation switch 410 corresponds to a personal computer keyboard or mouse.
- the main operation button 411 and the sub operation button 412 are respectively predetermined keys on the keyboard.
- the movement of the area display 342, area display 343A, 343B, and area display 344A, 344B, 344C, 344D by the ball type switch 413 is performed using a mouse.
- a camera unit 200 is connected to a server 500 via a USB cable 202, and a plurality of operation devices 400 (personal computers) are connected to the server 500.
- the camera device 100 in this embodiment has a configuration in which a plurality of operation devices 400 (personal computers) are connected to the camera unit 200. With this configuration, the image data and audio information recorded in the memory 244A are transferred to a plurality of operation devices 400 (personal computers). )).
- USB connection units 203 are provided on the camera unit 200 side, and a plurality of operation devices 400 (PCs) can be directly connected to the camera unit 200 without going through the server 500.
- PCs operation devices 400
- the connection between the camera unit 200 and the Sarno 500 or the connection between the camera unit 200 and the operation device 400 is not limited to the USB connection, and may be connected by other connection means such as wireless means. .
- the configuration of the circuit device 240 is operated with the circuit device 240A on the camera unit 200 side as shown in FIG. Divide it into a circuit device 240B on the construction device 400 (PC) side. That is, the configuration of the circuit device 240A on the camera unit 200 side is the image signal processing unit 241, the image compression processing unit 242, the control unit 243A, the memory unit B244A, the microphone 201, and the sensor 247.
- the configuration of the circuit device 240B on the operation device 400 (node, computer) side is configured to include a control unit 243B, a memory 244B, a coordinate conversion unit 245, and a memory 246.
- the coordinate conversion unit 245 and the memory 246 have the same functions as those described with reference to FIG.
- the sensor 247 is a human sensor that detects moving objects, and is an infrared sensor. In FIG. 8, only one sensor 247 is shown. In fact, four sensors 247 are arranged, one on each of the four sides of the force camera unit 200.
- the control unit 243A, the memory 244A, the control unit 243B, and the memory 244B as a whole have the same functions as the control unit 243 and the memory 244 described in FIG.
- the video generation processing corresponding to each display mode is mainly performed by the control unit 243B, the memory 244B, the coordinate conversion unit 245, and the memory 246 provided in the operation device 400 (personal computer).
- an enlarged video 320 or the like (two-divided video 350 351, 4-division U video 360, 361, 362, 363, 2-split video 381A, 381B, 4-division, J video 391A, 391B, 391C, 391D.
- these videos are collectively referred to as enlarged video 320 etc.
- enlarged video 320 etc. Can be generated.
- the camera unit 200 when the camera unit 200 generates various enlarged images 320 and the like based on instructions from a plurality of operation devices 400 (personal computers), the camera unit 200 displays various enlarged images 3. 20 mag will be generated. For this reason, a huge amount of processing work is executed in the camera unit 200, which takes a long time and causes problems such as an increase in the time required until an image is displayed on the operation device 400 (personal computer).
- the controller 243B, the memory 244B, the coordinate converter 245, and the memory 246 are provided on the operation device 400 (personal computer) side, different enlarged images are independently provided in each operation device 400 (personal computer). 320 etc. can be displayed quickly.
- the force that cuts out the area in the direction of the sound by the sound following switch 414 is performed by the four sensors 247.
- an area in that direction is cut out to be an enlarged image.
- the image is controlled so that the image in FIG. 6 (A) is displayed in one direction, the image in FIG. 6 (B) is displayed in two directions, and the image in FIG. 6 (C) is displayed in three directions or more.
- the image data of the area display (original image) may be the image data corresponding to the area display exactly, but it corresponds to the area display when the enlarged video 320 or the like is generated. Image data of pixels around the part may be required. In such a case, the image data of the pixels around the area may be transferred together with the image data of the area display as appropriate. Note that in the camera device 100 shown in the first embodiment or the second embodiment, when playback or display is performed simultaneously with recording, transfer of image data, that is, an image in an enlargement area is performed. You can transfer images and / or thumbnails when sound is produced or the subject moves.
- the reduced image 340 is displayed, and when a speaker comes out, the image of the speaker's area is cut out, and the portion is enlarged (first embodiment) or processing thereof.
- the data is transferred to the monitor 300 side (without the second embodiment).
- the monitor 300 displays an enlarged image and a reduced image 340 of the speaker area.
- the data for reproduction can be transferred to the monitor 300 side in the same manner.
- the detection signal of the sensor 247 may be received to similarly transfer image data.
- the display content of the monitor 300 at these times is a reduced image 340 and other images including a direction in which sound is emitted or a moving object (person, etc.) (enlarged image 320, enlarged image 371, 2-divided image) 3 81A, 381B, 4 harm 'J video 391A, 391B, 391C, 391D.)
- the area to be cut out from the entire video 310 various information such as a thing that does not move other than a sound or a moving thing, a specific person or thing designated in advance, and the like can be adopted.
- three microphones 311, 312, 313 and four sensors 247 have been illustrated as means for detecting information.
- one sensor, one microphone, or two or more (multiple) sensors may be used. It may be a sensor or a microphone.
- the camera apparatus 100 is taken as an example.
- the image data captured by the imaging means such as a camera is recorded on a recording means such as a hard disk or a DVD (Digital Versatile Disc), and the image data is processed by the circuit device 240 as an image processing apparatus. You can display it on the monitor 300.
- the image processing device (circuit device 240) and the recording means on which the image data is recorded may be connected via a network.
- image data recorded on a recording means separate from or integrated with the camera device 100 such as a hard disk or a DVD is subjected to image processing by the above-described image processing method by the above-described circuit device 240, and a video to the monitor 300 is recorded. May be displayed. That is, a control processing method similar to that of the circuit device 240 or the circuit device 240 is applied to the reduced image with respect to the image data captured by the wide-angle lens similar to the photographing lens 221 described above and recorded in the recording means.
- Reduced video generation processing for generating 340 and other video (enlarged video 320, enlarged video 371) that has been corrected compared to the reduced video 340 while correcting distortion caused by the taking lens 221 for one or more parts of the captured image 2 split video 381A, 381B, 4 split video 391A, 391B, 391C, 391D.) And the reduced video 340 and the other video are displayed on the monitor 300.
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Studio Devices (AREA)
- Closed-Circuit Television Systems (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07742045A EP2018065A4 (en) | 2006-04-26 | 2007-04-20 | CAMERA DEVICE AND METHOD FOR IMAGE RECORDING / PLAYBACK |
| US12/298,559 US20090185028A1 (en) | 2006-04-26 | 2007-04-20 | Camera apparatus and image recording/reproducing method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006-121594 | 2006-04-26 | ||
| JP2006121594A JP2007295335A (ja) | 2006-04-26 | 2006-04-26 | カメラ装置および画像記録再生方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007125825A1 true WO2007125825A1 (ja) | 2007-11-08 |
Family
ID=38655351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| PCT/JP2007/058610 Ceased WO2007125825A1 (ja) | 2006-04-26 | 2007-04-20 | カメラ装置および画像記録再生方法 |
Country Status (6)
| Country | Link |
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| US (1) | US20090185028A1 (ja) |
| EP (1) | EP2018065A4 (ja) |
| JP (1) | JP2007295335A (ja) |
| KR (1) | KR100986228B1 (ja) |
| CN (1) | CN101473652A (ja) |
| WO (1) | WO2007125825A1 (ja) |
Cited By (1)
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| CN103501423A (zh) * | 2013-09-18 | 2014-01-08 | 苏州景昱医疗器械有限公司 | 远程程控的视频监测方法及装置 |
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| DE102005018855B4 (de) * | 2005-04-22 | 2010-01-28 | Theta System Elektronik Gmbh | Vorrichtung zur Inspektion von Druckererzeugnissen |
| JP5212946B2 (ja) * | 2009-03-25 | 2013-06-19 | パナソニック株式会社 | テレビドアホンシステム |
| WO2012081400A1 (ja) * | 2010-12-14 | 2012-06-21 | コニカミノルタオプト株式会社 | 画像処理方法、画像処理装置及び撮像装置 |
| JP5866504B2 (ja) * | 2012-12-27 | 2016-02-17 | パナソニックIpマネジメント株式会社 | 音声処理システム及び音声処理方法 |
| JP2014143678A (ja) | 2012-12-27 | 2014-08-07 | Panasonic Corp | 音声処理システム及び音声処理方法 |
| JP2014220722A (ja) * | 2013-05-10 | 2014-11-20 | ソニー株式会社 | 表示制御装置、表示制御方法、およびプログラム |
| TWI496109B (zh) | 2013-07-12 | 2015-08-11 | 晶睿通訊股份有限公司 | 影像處理器及其影像合成方法 |
| CN104754236B (zh) * | 2013-12-27 | 2018-09-18 | 日本写真判定株式会社 | 行进比赛的顺序判定方法及其装置 |
| KR20160026317A (ko) * | 2014-08-29 | 2016-03-09 | 삼성전자주식회사 | 음성 녹음 방법 및 장치 |
| US10909384B2 (en) | 2015-07-14 | 2021-02-02 | Panasonic Intellectual Property Management Co., Ltd. | Monitoring system and monitoring method |
| CN106161946B (zh) * | 2016-08-01 | 2019-10-29 | 联想(北京)有限公司 | 一种信息处理方法及电子设备 |
| JP2018037944A (ja) * | 2016-09-01 | 2018-03-08 | ソニーセミコンダクタソリューションズ株式会社 | 撮像制御装置、撮像装置および撮像制御方法 |
| JP2019062448A (ja) * | 2017-09-27 | 2019-04-18 | カシオ計算機株式会社 | 画像処理装置、画像処理方法及びプログラム |
| JP2020042095A (ja) * | 2018-09-07 | 2020-03-19 | コニカミノルタ株式会社 | 画像処理システム、その制御方法、その制御プログラム、画像処理装置および画像表示装置 |
| CN112305638A (zh) * | 2019-07-26 | 2021-02-02 | 西安光启未来技术研究院 | 一种有效感知范围识别方法及相关设备 |
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- 2007-04-20 CN CNA2007800225802A patent/CN101473652A/zh active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2007295335A (ja) | 2007-11-08 |
| CN101473652A (zh) | 2009-07-01 |
| KR100986228B1 (ko) | 2010-10-07 |
| EP2018065A4 (en) | 2010-03-31 |
| US20090185028A1 (en) | 2009-07-23 |
| EP2018065A1 (en) | 2009-01-21 |
| KR20080110684A (ko) | 2008-12-18 |
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