WO2007138846A1 - 広角レンズによる撮像データの圧縮方法、伸長表示方法、圧縮装置、広角カメラ装置およびモニタシステム - Google Patents
広角レンズによる撮像データの圧縮方法、伸長表示方法、圧縮装置、広角カメラ装置およびモニタシステム Download PDFInfo
- Publication number
- WO2007138846A1 WO2007138846A1 PCT/JP2007/059837 JP2007059837W WO2007138846A1 WO 2007138846 A1 WO2007138846 A1 WO 2007138846A1 JP 2007059837 W JP2007059837 W JP 2007059837W WO 2007138846 A1 WO2007138846 A1 WO 2007138846A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- image
- wide
- data
- display
- angle lens
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/117—Filters, e.g. for pre-processing or post-processing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
- H04N1/3872—Repositioning or masking
- H04N1/3873—Repositioning or masking defined only by a limited number of coordinate points or parameters, e.g. corners, centre; for trimming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/64—Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor
- H04N1/642—Adapting to different types of images, e.g. characters, graphs, black and white image portions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
-
- 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
- H04N2101/00—Still video cameras
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/0077—Types of the still picture apparatus
- H04N2201/0084—Digital still camera
Definitions
- Image data compression method expansion display method, compression device, wide-angle lens and monitor system using wide-angle lens
- the present invention relates to a method for compressing imaging data using a wide-angle lens, a decompression display method, a compression device, a wide-angle camera device, and a monitor system.
- Patent Document 1 discloses an image transmission system in which a camera-equipped mobile phone and a server are connected by a public line. Then, the image data captured by the camera is transmitted to the server through the public telephone line. The server cuts out a part of the received image data image and sends it to the camera-equipped mobile phone. The camera-equipped mobile phone displays the received clipped image.
- Patent Document 2 discloses an image transmission system in which a plurality of camera-equipped mobile phones and a server are connected by a public line. Then, the image data captured by the camera is transmitted from one camera-equipped mobile phone to the server through the public line. The server cuts out part of the image of the received image data and sends it to another mobile phone with a camera. Other camera-equipped mobile phones display the received clipped image.
- Patent Document 3 discloses an arithmetic algorithm that extracts a part of an image from an image captured using a fish-eye lens, which is a kind of wide-angle lens, while suppressing distortion.
- Patent Document 1 Japanese Patent Laid-Open No. 2003-283819 (FIGS. 1 and 3, description of the embodiment, etc.)
- Patent Document 2 Japanese Patent Laid-Open No. 2003-284019 (FIG. 1, FIG. 4, of the embodiment)
- Patent Document 3 Japanese Unexamined Patent Publication No. 2005-339313 (Summary, FIG. 4, FIG. 6, FIG. 9, description of embodiment, etc.)
- Patent Document 1 or 2 By using the technique disclosed in Patent Document 1 or 2, a part of an image captured using a wide-angle lens such as a fisheye lens is cut out with reduced distortion, and the cut out image is transmitted. Can be displayed. Further, the technique disclosed in Patent Document 3 can be used to suppress the distortion of the cut out image.
- a monitoring device or the like browses or stores captured images in real time.
- surveillance devices, etc. browse and reproduce the stored images.
- the present invention can effectively reduce the amount of data of an image captured using a wide-angle lens such as a fish-eye lens, a method for compressing captured image data using a wide-angle lens, a decompression display method, a compression device, and a wide-angle camera.
- An object is to obtain a device and a monitor system.
- the image data compression method using a wide-angle lens reduces the number of colors of a plurality of pixel data outside a predetermined circular range of a rectangular image including a circular image captured by a wide-angle lens.
- a step of replacing the pixel data, and a step of compressing the image data of the square image after the replacement process reduces the number of colors of a plurality of pixel data outside a predetermined circular range of a rectangular image including a circular image captured by a wide-angle lens.
- compression is performed after replacing a plurality of pixel data outside a predetermined circular range so as to reduce the number of colors in a rectangular captured image captured using a wide-angle lens. Since processing is performed, the amount of data is reduced. Therefore, the data amount of the captured image after compression by this method is reduced as compared to the case where the captured image is compressed without reducing the number of colors outside the predetermined circular range.
- this method does not perform a replacement process or the like on pixel data within a predetermined circular range of a square captured image.
- the captured image remains as it is.
- the wide-angle lens is used while maintaining the image quality after encoding the circular image at the same image quality as when the image data itself of the square captured image captured using the wide-angle lens is directly encoded.
- the amount of data after the encoding can be reduced.
- the amount of image data captured using a wide-angle lens can be effectively reduced.
- a method for decompressing and displaying captured data using a wide-angle lens is image data of a rectangular image including a circular image captured by a wide-angle lens, and a plurality of pixel data outside a predetermined circular range.
- image data in which the data amount of an image captured using a wide-angle lens such as a fisheye lens is effectively reduced is expanded, and a part of the image data is expanded to the wide-angle lens. It is possible to display the image after appropriately correcting distortion by a parameter corresponding to the process.
- the image data compression method using another wide-angle lens reduces the number of colors of a plurality of pixel data outside a predetermined circular range of a rectangular image including a circular image captured by a wide-angle lens.
- the pixel data replacement step and the image data of the square image after the replacement processing are encoded separately by block encoding into a DC component and an AC component, or a run-length code based on the pixel arrangement And a step of signing with a key.
- the square captured image captured using the wide-angle lens is replaced with pixel data so as to reduce the number of colors of a plurality of pixel data outside the predetermined circular range.
- the block code is entered.
- encoding is performed by run-length encoding based on the pixel arrangement. Therefore, the data amount of the captured image after compression by this method is the case where the block code or run length code is used without reducing the number of colors of the pixel data outside the specified circular range of the captured image.
- the pixel data within a predetermined circular range of the square captured image remains as the captured image, and is maintained at the same image quality as that in the case of encoding without performing the replacement process. It is possible to effectively reduce the amount of image data captured using a wide-angle lens.
- the number of colors of a plurality of pixel data outside a predetermined circular range of a rectangular image including a circular image captured by a wide-angle lens is calculated.
- the pixel data is replaced so that the pixel data is reduced, and the image data of the square image after the replacement processing is separated into a DC component and an AC component by block coding, and at least 1 in the code for each frequency component.
- coding a frequency component with a run-length code based on the arrangement of pixels for one frequency component.
- a rectangular captured image captured using a wide-angle lens is block-coded after the number of colors by a plurality of pixel data outside a predetermined circular range is reduced.
- at least one frequency component is encoded by run-length encoding based on the pixel arrangement. Therefore, the amount of data of the captured image after compression by this method is the same as when the block code or run-length code is used without reducing the number of colors of the pixel data outside the predetermined circular range of the captured image. Compared to, it is reduced.
- This force is also this person
- pixel data within a predetermined circular range of a square captured image remains as the captured image, and is maintained at the same image quality as when encoding without performing the replacement process. It is possible to effectively reduce the data amount of the image captured using the wide angle lens.
- the image data compression apparatus using a wide-angle lens reduces the number of colors of a plurality of pixel data outside a predetermined circular range of a square image including a circular image captured by a wide-angle lens.
- Replacement means that replaces the pixel data and the image data of the square image after the replacement process are separated into DC components and AC components by block encoding, or run-length encoding based on the pixel arrangement
- a compressing means for encoding the data are used to reduce the number of colors of a plurality of pixel data outside a predetermined circular range of a square image including a circular image captured by a wide-angle lens.
- the rectangular captured image captured using the wide-angle lens is obtained by replacing the pixel data so as to reduce the number of colors of the plurality of pixel data outside the predetermined circular range.
- the block code is entered.
- encoding is performed by run-length encoding based on the pixel arrangement. Therefore, the data amount of the captured image after compression by this configuration is the same as when the block code or run length code is used without reducing the number of colors of the plurality of pixel data outside the predetermined circular range of the captured image. Compared to, it is reduced.
- the pixel data within a predetermined circular range of the square captured image remains as the captured image, and is maintained at the same image quality as when encoding without performing the replacement process. It is possible to effectively reduce the data amount of the image captured using the wide angle lens.
- a wide-angle camera device includes a wide-angle lens, an imaging unit that forms a circular image by the light collected by the wide-angle lens, and generates a square image including the circular image; Replacement is performed so that the number of colors outside the predetermined circular range is reduced in the rectangular image, and the captured image generating means for generating a captured image obtained by color conversion within the predetermined circular range, and the captured image are represented by a block code ⁇ .
- Compression means for separating and encoding the direct current component and the alternating current component, or performing the run length encoding based on the arrangement of the pixels.
- a square captured image captured using a wide-angle lens is replaced so that a plurality of pixel data outside a predetermined circular range is reduced in the number of colors.
- the captured image is encoded by a block code ⁇ or a run length code ⁇ . I will be deceived. Therefore, the data amount of the captured image after compression with this configuration is reduced as compared to the case where the block code key or the run length code key is not replaced with a substantially uniform color outside the predetermined circular range.
- the captured image remains as it is due to color conversion, and the image quality equivalent to the case of encoding without being replaced is maintained. . It is possible to effectively reduce the data amount of the image captured using the wide-angle lens.
- the imaging unit has 3 million pixels or more, and stores the image data of the image compressed by the compression unit.
- a monitor system includes a wide-angle camera device and a browsing device. Then, the wide-angle camera device includes a wide-angle lens, a circular image formed by light collected by the wide-angle lens, and an imaging unit having 3 million pixels or more for generating a square image including the circular image. Replace colors to reduce the number of colors outside the predetermined circular range, and
- a picked-up image generating means for generating a picked-up image color-converted within a predetermined circular range; the picked-up image is encoded by separating into a direct current component and an alternating current component by block coding; or based on an arrangement of pixels
- Compression means for encoding by run-length encoding storage means for storing image data of the image compressed by the compression means, decompression means for expanding the image data of the compressed image stored in the storage means, and Display image generation means for generating a cut-out image that cuts out a part of the image expanded by the expansion means and displays the enlarged image at VGA size or larger.
- the browsing device includes a display unit that receives, as a display image, a cut-out image that has been enlarged by communication from the wide-angle camera device or a cut-out image that has not been enlarged, and displays the received display image.
- a display unit that receives, as a display image, a cut-out image that has been enlarged by communication from the wide-angle camera device or a cut-out image that has not been enlarged, and displays the received display image.
- Another monitor system has a wide-angle lens, a wide-angle camera device that generates a quadrilateral image including a circular image picked up by the wide-angle lens, and a quadrilateral generated by the wide-angle camera device.
- a browsing device having display means for displaying an image or a part of the image.
- the other monitor system replaces the square image including the circular image captured by the wide-angle lens so as to reduce the number of colors of a plurality of pixel data outside the predetermined circular range, and the replacement by the replacement unit.
- Compression that compresses the processed pixel data by separating the DC data into DC components and AC components using block codes and encoding them using run-length codes based on the pixel arrangement Means, a storage means for storing the image compressed by the compression means, or an image compressed by the compression means, transmitted to the wide-angle camera device viewing apparatus, a transmission means, and a compressed image or transmission stored in the storage means
- Expansion means for expanding the compressed image transmitted by the means, and enlargement / reduction or expansion means for the image expanded by the expansion means
- Display image generating means for generating a display image for cutting out a part of the image expanded by the above and causing the display means to display the enlarged image.
- the image stored in the storage unit or the image transmitted by the transmission unit is a square captured image captured using a wide-angle lens, and a plurality of images outside a predetermined circular range. After the pixel data is replaced so as to reduce the number of colors, it is encoded by a block code or a run length code. Therefore, the amount of image data stored in the storage means or the amount of image data transmitted by the transmission means is obtained by performing block code encoding or run-length encoding without replacing the outside of the predetermined circular range with a substantially uniform color. Compared to the case, it is reduced. In this configuration, the captured image remains within the predetermined circular range of the square captured image, and the image quality is the same as when encoding without performing the replacement process.
- the compression unit adds a parameter related to image distortion of the wide-angle lens to the image data generated by the compression process. Then, the display image generation means corrects the distortion of the image expanded by the expansion means using the parameter added to the compressed data of the image.
- the display image generation unit performs distortion correction according to the wide-angle lens, and generates a display image from which distortion is suitably removed. be able to.
- Still another monitor system provides a rectangular image including a circular image captured by a wide-angle lens, pixel data so as to reduce the number of colors of a plurality of pixel data outside the predetermined circular range.
- the storage means for storing the image data compressed after replacement and the image distortion parameters of the wide-angle lens, the transmission means for transmitting the image data and parameters stored in the storage means, and the transmission means Display image generation that generates a display image by cutting out a part of an image corrected by using a decompression unit that decompresses the compressed image and a distortion that is transmitted by the transmission unit.
- display means for displaying the display image generated by the display image generation means.
- Still another monitor system provides a rectangular image including a circular image picked up by a wide-angle lens so that pixel data is reduced so as to reduce the number of colors of a plurality of pixel data outside the predetermined circular range.
- a transmission means for transmitting partial image data and parameters obtained by cutting out a part of the image, and correcting image distortion due to the partial image data transmitted by the transmission means using the parameters transmitted by the transmission means.
- Display image generating means for generating a display image and display image generating means Display means for displaying the generated display image.
- FIG. 1 is a perspective view showing an ultra-small and wide-angle camera device according to an embodiment of the present invention.
- FIG. 2 is a block diagram showing a photographing function built in the ultra-small and wide-angle camera device of FIG.
- FIG. 3 is an explanatory diagram of the optical system of the ultra-small and wide-angle camera device.
- FIG. 4 is an explanatory view showing an example of an image formed on the light receiving surface of the CMOS imaging device.
- FIG. 5 is a block diagram showing a hardware configuration of the custom IC in FIG. 2.
- FIG. 6 is a flow chart showing a flow of imaging operation by the ultra-small and wide-angle camera device in FIG.
- FIG. 7 is a flowchart showing the flow of the reproducing operation in the monitor system of FIG.
- FIG. 8 is an explanatory diagram showing an example of a display designation command generated by the PC display control unit in FIG. 2 based on input data.
- FIG. 9 is a diagram showing an example of a combination of display screens displayed on the large LCD of the personal computer in FIG. 2.
- FIG. 10 is a flowchart showing a flow of processing for generating display still image data by the ultra-small and wide-angle camera device. Explanation of symbols [0040] 1 Ultra-small wide-angle camera device (wide-angle camera device)
- the wide-angle camera device will be described by taking an ultra-small wide-angle camera device that is a part of the monitor system as an example.
- the compression device will be described as a part of the ultra-small and wide-angle camera device.
- the compression method and the decompression display method will be described as a part of the operation of the ultra-small and wide-angle camera device.
- FIG. 1 is a perspective view showing an ultra-small and wide-angle camera device 1 according to an embodiment of the present invention.
- the ultra-small and wide-angle camera device 1 has a main body unit 2 and a camera unit 4 connected to the main body unit 2 through a signal line 3.
- the ultra-small wide-angle camera device 1 can be easily carried in a pocket.
- the camera unit 4 is connected to the main unit 2 by wireless communication, but is incorporated into a part of the main unit 2! /, May!
- the main unit 2 has a substantially rectangular plate shape having the same size as the portable music player. Portable music players use HDD (Hard Disk Drive) and semiconductor memory to record content data.
- the main unit 2 includes an LCD (liquid crystal display device) 5, a plurality of operation keys 6 of the input device 22 (see FIG. 2), and a USB (Universal Serial Control nector) connector 7 and the like are exposed.
- the main unit 2 in FIG. 1 has an LCD 5 and a plurality of operation keys 6 arranged side by side on the upper surface, which is the upper side in FIG.
- a USB connector 7 is provided on the side surface on the lower right side of FIG.
- the USB connector 7 can be connected to a USB cable.
- the USB cable has power supply wiring and signal wiring.
- the camera unit 4 has a housing 8 having a substantially cubic shape, for example.
- a fisheye lens 9 as a wide-angle lens is disposed on the upper surface on the upper side in FIG. Further, a vent hole 10 for the microphone 27 is formed next to the exposed position of the fisheye lens 9.
- This fisheye lens 9 has a flat object-facing surface with a small protrusion amount compared to a normal fisheye lens.
- FIG. 2 is a block diagram showing a photographing function built in the ultra-small and wide-angle camera device 1 of FIG.
- FIG. 2 shows a personal computer 12 as a browsing device that is connected to the ultra-small and wide-angle camera device 1 by a US cable 11.
- a monitor system 13 is realized by the ultra-small wide-angle camera device 1 and the personal computer 12.
- the ultra-small and wide-angle camera device 1 is a CMOS (Complementary Metal
- FIG. 3 is an explanatory diagram of the optical system of the ultra-small and wide-angle camera device 1.
- the CMOS imaging device 21 has a light receiving surface 22 having an aspect ratio of 4: 3 (horizontal: vertical). Note that the aspect ratio of the light receiving surface 22 may be 16: 9 or the like.
- a plurality of light receiving elements are arranged in the vertical and horizontal directions on the light receiving surface 22 of the CMOS imaging device 21. For example, a plurality of light receiving elements for 3 million pixels are arranged on the light receiving surface 22.
- the CMOS imaging device 21 is disposed in a posture in which the fisheye lens 9 is positioned in a direction substantially perpendicular to the light receiving surface 22 thereof.
- the fisheye lens 9 has a wide viewing angle of 180 degrees or more (about 200 degrees).
- an image of subject light collected by the fisheye lens 9 is formed on the light receiving surface 22 of the CMOS imaging device 21, an image of subject light collected by the fisheye lens 9 is formed.
- FIG. 4 is an explanatory diagram showing an example of an image formed on the light receiving surface 22 of the CMOS imaging device 21.
- the light collected by the fisheye lens 9 is incident on the center of the light receiving surface 22. Projected.
- a circular image having a circular outline is formed on the central portion of the light receiving surface 22 by this light.
- the circular image is an image of a subject passing through the fisheye lens 9. Note that the peripheral portion of the light receiving surface 22 outside the range of the circular image (the hatched portion in FIG. 4) is slightly darkened by light leaked from the camera unit 4 or light circulated by diffraction or the like. Lightness occurs.
- the amount of light received at the peripheral edge is not a uniform black value.
- the CMOS imaging device 21 reads received light amounts of a plurality of light receiving elements arranged on the light receiving surface 22 and generates luminance distribution data of a square image having the same aspect ratio as that of the light receiving surface 22.
- the luminance distribution data of the square image has luminance distribution data based on a circular image at the center.
- CMOS imaging device 21 Charge Coupled Device
- the received light amounts of a plurality of light receiving elements arranged on the light receiving surface 22 can be read for each column.
- the CCD reads the amount of received light for each light receiving element. Therefore, the CCD tends to take more time to generate one luminance distribution data than the CMOS imaging device 21.
- the ultra-small and wide-angle camera device 1 includes a custom IC (Integrated Circuit) 23 ASIC (Application Specific IC) 24, DSP (Digital Signal Processor) 25, HDD 26 as a storage means for storing data, microphone 27, AD converter 28, battery 29, power supply circuit 30, and the like.
- custom IC Integrated Circuit
- ASIC Application Specific IC
- DSP Digital Signal Processor
- HDD HDD
- fisheye lens 9, CMOS imaging device 21, custom IC 23, microphone 27, etc. are arranged in camera unit 4, and other circuit components are arranged in main unit 2. Just do it.
- the microphone 27 picks up sounds around the ultra-small and wide-angle camera device 1.
- the microphone 27 generates sound signals such as voice.
- the waveform of the sound signal changes according to the sound picked up by the microphone 27.
- the AD converter 28 samples the sound signal and generates sound data.
- FIG. 5 is a block diagram showing a hardware configuration of custom IC 23 in FIG.
- the custom IC23 is a kind of microcomputer, IZO (input / output) port 61, timer 62, CPU (central processing unit) 63, RAM (random access memory) 64, EEPROM (Electronically Erasaole and Programmable Read Only Memory) ⁇ and system nose 66 connecting them.
- the CMOS imaging device 21 and the ASIC 24 are connected to the input port 61 of the custom IC 23.
- the IZO port 61 supplies the data supplied from the system node 66 to the CMOS imaging device 21 and ASIC 24, and the data supplied also from the CMOS imaging device 21 and ASIC 24 to the system bus 66.
- the timer 62 measures time.
- the time measured by the timer 62 includes, for example, an absolute time such as a time or an elapsed time with a predetermined timing force.
- the EEPROM 65 stores data. Examples of data stored in the EEPROM 65 of the custom IC 23 include a color conversion processing program 67 and data used in the color conversion processing. Examples of data used in the color conversion process include a color conversion table 68 and replacement area data 69.
- the color conversion table 68 includes data used to generate the captured still image data 52 from the luminance distribution data generated by the CMOS imaging device 21.
- the value of the amount of received light is associated with the color value.
- the replacement area data 69 is data indicating an area where color conversion is performed using the color conversion table 68.
- the replacement area data 69 stores, for example, the area of the circular image in FIG. 4 as an area for color conversion using the color conversion table 68.
- the replacement area data 69 may be stored as an area outside the range of the circular image in FIG. 4 without performing color conversion using the color conversion table 68, for example.
- the CPU 63 reads the color conversion processing program 67 stored in the EEPROM 65 into the RAM 64 and executes it.
- the custom IC 23 implements a color conversion processing unit 31 as a replacement unit and a captured image generation unit.
- the color conversion processing unit 31 generates captured still image data 52 from the luminance distribution data. Color The conversion processing unit 31 generates the captured still image data 52 using the color conversion table 68 and the replacement area data 69 stored in the EEPROM 65.
- the DSP 25 is a kind of microcomputer, and includes an I / O port (not shown), a timer, a CPU, a RAM, an EEPROM, a system bus for connecting these, and the like.
- the ASIC24 is connected to the DSP25 I / O port.
- the CPU of the DSP 25 reads a display image generation program (not shown) stored in the EEPROM into the RAM and executes it. As a result, as shown in FIG. 2, the DSP 25 implements a display image generation unit 32 as display image generation means.
- the display image generation unit 32 is supplied with still image data from the ASIC 24.
- the display image generation unit 32 generates display still image data to be displayed on a predetermined display device from the supplied still image data.
- the display image generation unit 32 generates display still image data having a resolution of a predetermined display device, for example, from still image data having various numbers of pixels (number of pixels).
- the display image generation unit 32 can generate display still image data to be displayed on a part of a predetermined display device, for example, from still image data of various numbers of pixels (number of pixels). Moyo! /.
- the ASIC 24 is a kind of microcomputer, and includes an I / O port (not shown), a timer, a CPU, a RAM, an EEPROM, and a system bus for connecting them.
- a custom IC 23, DSP 25, input device 22, LCD 5, AD converter 28, HDD 26, USB connector 7 and the like are connected to the iZ O port of the ASIC 24.
- the CPU of the ASIC 24 reads a camera control program (not shown) stored in the EEPROM into the RAM and executes it.
- a camera control program not shown
- the ASIC 24 includes a camera storage processing unit 33, a processing management unit 34, a JPEG (Joint Photographic Experts Group) engine 35 as a compression unit and decompression unit, a camera display control unit 36, and a device. Communication part 37 etc. are realized.
- the camera storage processing unit 33 stores the captured still image data 52 supplied from the custom IC 23 to the ASIC 24 in the HDD 26.
- the JPEG engine 35 compresses the captured still image data 52 by the JPEG method.
- JPEG method for example, first, an image to be compressed is subjected to discrete cosine transform (DCT) processing and quantization processing in units of blocks for each predetermined number of pixels (for example, 8 ⁇ 8 pixels).
- the spatial frequency component in block units is obtained.
- the spatial frequency component in the block unit of the image is composed of a DC component in the block unit and a plurality of AC components in the block unit.
- the entropy code processing for each frequency component of the image is performed to reduce the amount of image data.
- the DC component of the image is encoded by a predictive code such as a Huffman code
- each AC component of the image is encoded by a run-length code such as arithmetic coding. Sign.
- the JPEG engine 35 can also perform the decompression process by executing the above compression processes in the reverse order.
- the JPEG engine 35 performs the above compression processing in the reverse order, the captured still image data 52 or the captured still image data 52 can be obtained from the image data compressed by the JPEG method. it can.
- the camera display control unit 36 supplies the display still image data generated by the display image generation unit 32 to the LCD 5. As a result, an image based on the display still image data is displayed on the LCD 5.
- the device communication unit 37 uses the USB connector 7 to execute data communication based on the USB standard.
- the device communication unit 37 transmits and receives communication data to and from the host communication unit 46 (in FIG. 2, the host communication unit 46 of the personal computer 12).
- the device communication unit 37 includes a class processing unit 38 such as SIC (Still Image Class) or MSC (Mass Storage Class).
- the class processing unit 38 has various communication buffers such as an endpoint corresponding to the class. When communication data is recorded in the communication buffer by the device communication unit 37, the class processing unit 38 transmits the communication data to the host communication unit 46. Further, when receiving the communication data from the host communication unit 46, the class processing unit 38 saves the received communication data in the communication buffer and notifies the device communication unit 37 of it.
- the process management unit 34 manages the operation of the ultra-small and wide-angle camera device 1. Specifically, the processing management unit 34 manages, for example, the camera storage processing unit 33 realized by the ASIC 24, the JPEG engine 35, the device communication unit 37, etc., and the display image generation realized by the camera display control unit 36 and the DSP 25. Manage the execution of part 32.
- the personal computer 12 constituting the monitor system 13 in FIG. 2 has a microcomputer 41.
- the microcomputer 41 has an IZO port, timer, CPU, R (not shown) AM, and a system bus for connecting them.
- the IZO port of the microcomputer 41 is connected to an input device 42 such as a keyboard and a pointing device, a large LCD 43 as a display means, a USB connector 44, and an HDD 45.
- the CPU of the microcomputer 41 reads a client program (not shown) stored in the HDD 45 into the RAM and executes it.
- a host communication unit 46, a PC display control unit 47, a PC storage processing unit 48, and the like are realized in the microcomputer 41 as shown in FIG.
- the power supply circuit 49 is connected to the power supply wiring of the USB connector 44.
- the host communication unit 46 transmits and receives communication data to and from the device communication unit 37 using the USB connector 44.
- the host communication unit 46 includes a class processing unit 50 such as SIC or MSC.
- the PC storage processing unit 48 stores various communication data such as display still image data received by the host communication unit 46 as received data 51 in the HDD 45 of the personal computer 12.
- the PC display control unit 47 supplies the display still image data stored in the HDD 45 of the personal computer 12 to the large LCD 43. As a result, the LCD 43 of the personal computer 12 displays an image based on the display still image data.
- the EEPROM 65 built into the custom IC 23 of the ultra-small wide-angle camera device 1, the EEPROM built into the DSP 25, and the EEPROM built into the ASIC 24 are stored in a storage device such as the HDD 45 of the personal computer 12.
- Various programs and data may be stored in these storage devices before shipment of these devices, or may be installed after shipment and stored in these storage devices. Good.
- the programs and data to be installed after shipment are stored on a recording medium such as a CD-ROM (not shown) !, even though they are obtained via a communication medium such as the Internet (not shown). Moyo.
- the client program stored in the HDD 45 of the personal computer 12 may be stored as a thread combination of an operating system program and an application program.
- the client program Or a combination of a browser system (browsing) program and a plug-in program that operates as a part of the browser program.
- a plug-in program may be installed after the shipment of the personal computer 12.
- the fisheye lens 9 of the ultra-small wide-angle camera device 1 condenses the subject light with a wide viewing angle of 180 degrees or more.
- the CMOS imaging device 21 receives the light collected by the fisheye lens 9 at the light receiving surface 22 and generates luminance distribution data of an image formed on the light receiving surface 22.
- the CMOS imaging device 21 When the image shown in FIG. 4 is formed on the light receiving surface 22, the CMOS imaging device 21 generates luminance distribution data of a square image having a circular image formed at the center.
- the luminance distribution data there is a slightly bright portion at the peripheral portion outside the range of the circular image due to light leaking from the camera unit 4 or light wrapping around due to rotation. Shading occurs at the peripheral edge outside the range of the circular image.
- FIG. 6 is a flowchart showing the flow of imaging operation by the ultra-small and wide-angle camera device 1 in FIG.
- the color conversion processing unit 31 of the custom IC 23 reads the luminance distribution data (step ST1) and performs color conversion processing for generating the captured still image data 52. Is started (step ST2).
- the color conversion processing unit 31 first reads the replacement area data 69 from the EEPRO M65, and converts the image of the luminance distribution data generated by the CMOS imaging device 21 into a circular range. Divide into parts and parts outside the circular range.
- the color conversion processing unit 31 applies the pixels in the circular range in the luminance distribution data image! Then, the color value corresponding to the received light amount of the pixel is read from the color conversion table 68 of the EEPROM 65, and the read value is assigned to the pixel. Further, the color conversion processing unit 31 assigns a value of a predetermined color (for example, black) to a pixel outside the circular range in the luminance distribution data image.
- a predetermined color for example, black
- the color conversion processing unit 31 has a predetermined color distribution based on the luminance distribution data as an image within the circular range specified by the replacement area data 69, and also has a replacement area.
- Captured still image data 52 having a predetermined constant color (for example, uniform black) is generated as an image outside the circular range specified by the data 69.
- the color conversion processing unit 31 supplies the generated captured still image data 52 to the camera storage processing unit 33 of the ASIC 24.
- the camera storage processing unit 33 stores the supplied captured still image data 52 in the HDD 26 of the ultra-small and wide-angle camera device 1 (step ST3).
- the captured still image data 52 having the latest captured image is stored in the HDD 26 of the ultra-small wide-angle mellar device 1.
- the camera storage processing unit 33 stores the latest captured still image data 52 in the HDD 26 and notifies the processing management unit 34 of the storage.
- the processing management unit 34 instructs the JPEG engine 35 to perform compression processing.
- the JPEG engine 35 reads the captured still image data 52 stored in the HDD 26 in units of blocks, and executes DCT processing and run-length encoding processing in units of blocks. To do. As a result, still image data obtained by compressing the captured still image data 52 in the JPEG format is generated.
- the JPEG engine 35 adds the time information measured by the timer to the generated compressed still image data, and stores it in the HDD 26 of the ultra-small wide-angle camera device 1 (step ST5).
- the HDD 26 of the ultra-small wide-angle camera device 1 stores compressed still image data obtained by compressing the latest captured still image data 52 that has been captured.
- the JPEG engine 35 supplies the generated compressed still image data to the display image generation unit 32 of the DSP 25.
- the CMOS imaging device 21 generates luminance distribution data at a predetermined imaging cycle.
- the ultra-small wide-angle camera device 1 executes the imaging operation of FIG. 6 every time luminance distribution data is generated.
- the compressed still image data based on the luminance distribution data generated by the CMOS imaging device 21 is accumulated in the HDD 26 of the ultra-small and wide-angle camera device 1.
- stored video data consisting of multiple compressed still image data is stored.
- Data 53 is generated.
- the stored video data 53 of the HDD 26 is updated by adding the data every time the JPEG engine 35 generates new! /! Compressed still image data.
- the accumulated moving image data 53 generated in the HDD 26 may be moving image data in the MPEG (Moving Picture Experts Group) method.
- MPEG video data can be generated by storing a plurality of captured still image data 52 in the HDD 26 and then generated by an unillustrated MPEG engine, for example!
- FIG. 7 is a flowchart showing the flow of the reproduction operation in the monitor system 13 of FIG.
- the input device 42 of the personal computer 12 supplies the generated input data to the PC display control unit 47 of the microcomputer 41.
- the PC display control unit 47 generates a display designation command based on the input data (step ST11).
- FIG. 8 is an explanatory diagram showing an example of a display designation command that the PC display control unit 47 in FIG. 2 generates based on input data.
- the PC display control unit 47 generates two types of image pattern switching commands, four types of cut ring position adjustment commands, cut ring size adjustment commands, and display setting save commands.
- the PC display control unit 47 generates, for example, a display disclosure instruction command, a time designation command, a display end designation command, and the like in addition to those shown in FIG.
- FIG. 9 is a diagram showing an example of combinations of display screens displayed on the large LCD 43 of the personal computer 12 in FIG.
- FIG. 9A is an example of a wide-angle screen imaged by the ultra-small and wide-angle camera device 1.
- Fig. 9 (B) is an example of a cut-out screen cut out within the range of the solid line frame in Fig. 9 (A).
- the solid line frame in Fig. 9 (A) is referred to as a cut-out ring.
- Fig. 9 (C) is an example of a double screen in which a reduced wide-angle screen is assigned to the upper left corner of the same cut-out image as the cut-out screen of Fig. 9 (B).
- the display disclosure instruction command is a command for instructing the start of display of the wide-angle screen in FIG.
- the time designation command is a command for designating the time of an image for starting display.
- the display end designation command is a command for instructing the display end of the screen.
- the display setting save command is a command for saving the display setting at that time to the ultra-small and wide-angle camera device 1.
- the image pattern switching command shown in FIG. 8 has three display screens: a wide-angle screen in FIG. 9 (A), a cut-out screen in FIG. 9 (B), and a double screen in FIG. 9 (C). It is a command that instructs to switch within.
- the PC display control unit 47 uses two types of image pattern switching commands to instruct the three screens to be switched in the forward order in a predetermined order, or to switch the three screens in the reverse order in the reverse order. Can be directed.
- the cut ring position adjustment command is a command for instructing to move the cut image.
- the PC display controller 47 uses the four types of cutting ring position adjustment commands to set the range of the image to cut out the wide-angle screen force vertically and horizontally (in the case of a wide-angle screen, the center direction, outer peripheral direction, clockwise direction and counterclockwise direction) Can be instructed to switch to
- the cut-out ring size adjustment command is a command for instructing to enlarge / reduce the size of the cut-out image.
- the PC display controller 47 uses two types of cropping ring size adjustment commands to reduce the size of the image that is to be cropped with a wide-angle screen, increase the enlargement magnification described later (zoom-in), and adjust the size of the image to be cropped with a wide-angle screen. It is possible to increase the size, and to instruct to reduce (zoom out) the enlargement magnification described later.
- the PC display control unit 47 supplies the generated display designation command to the host communication unit 46.
- the host communication unit 46 stores the supplied display designation command in the communication buffer of the class processing unit 50.
- the class processing unit 50 of the host communication unit 46 is connected to the class processing unit 38 of the device communication unit 37 via the US B connector 44 of the personal computer 12, the USB cable 11 and the USB connector 7 of the ultra-small wide-angle camera device 1.
- a display designation command is stored in the communication buffer of the device communication unit 37 of the ultra-small and wide-angle camera device 1 (step ST12).
- the device communication unit 37 of the ultra-small and wide-angle camera device 1 supplies the display designation command received by the communication buffer to the processing management unit 34 of the ASIC 24. Based on the instruction from the process management unit 34, the ultra-small and wide-angle camera device 1 starts a process for generating display still image data (step ST13).
- FIG. 10 is a flowchart showing a flow of processing for generating display still image data by the ultra-small and wide-angle camera device 1.
- the process management unit 34 of the ASIC 24 of the ultra-small and wide-angle camera device 1 first determines whether or not a display designation command has been acquired (step ST31). When the display designation command is acquired, the process management unit 34 saves the acquired display designation command in the RAM of the ASIC 24, the HDD 26, or the like (step ST32).
- the process management unit 34 determines whether or not it is necessary to generate the next display still image data (step ST33). For example, when the accumulated moving image data 53 is updated or a predetermined display update period is measured by a timer, the process management unit 34 determines that the next display still image data needs to be generated. In other cases, the process management unit 34 determines that the next display still image data need not be generated. If it is not necessary to generate the next display still image data, the process management unit 34 returns to step ST31 and determines whether a display designation command has been acquired.
- the stored moving image data 53 is updated by adding the data every time the JP EG engine 35 compresses the captured still image data 52.
- the process management unit 34 may determine whether or not the captured still image data 52 has been updated instead of determining whether or not the accumulated moving image data 53 has been updated.
- the process management unit 34 waits for the acquisition of a display designation command, the update of the stored moving image data 53, and the elapse of the display update cycle (steps ST31 to ST33).
- the process management unit 34 saves the received display designation command in the RAM or the like. .
- the process management unit 34 instructs generation of display still image data based on the combination of the display designation commands stored in the RAM (step ST34). ).
- the process management unit 34 displays the display image generation unit 32.
- it instructs generation of wide-screen display still image data based on the captured still image data 52 stored in the HDD 26.
- the display image generation unit 32 acquires the captured still image data 52 stored in the HDD 26, reduces it to a predetermined aspect ratio and resolution, and displays the still image data on the rectangular wide-angle screen. Generate. Note that the reduction process can be realized by thinning out pixel data, for example.
- the display image generation unit 32 generates display still image data of a predetermined size with a small amount of data displayed on the large LCD 43 of the personal computer 12.
- the process management unit 34 The display image generation unit 32 is instructed to generate the display still image data of the cut-out screen based on the captured still image data 52 stored in the HDD 26.
- the display image generation unit 32 acquires the captured still image data 52 stored in the HDD 26, extracts a range corresponding to the position and size of the extraction ring from the captured still image data 52, and the contour of the extracted image is predetermined.
- the image is corrected so that it becomes a square image with the aspect ratio and resolution of the image, and distortion correction processing (for example, distortion aberration correction processing) using parameters related to the distortion of the image of the fisheye lens 9 is performed, and the cutout screen is displayed.
- distortion correction processing for example, distortion aberration correction processing
- the display image generation unit 32 enlarges the image to a predetermined size displayed on the large LCD 43 of the personal computer 12 at an enlargement ratio according to the size of the image, and displays the display of the cut-out screen after the enlargement process.
- the parameters relating to the distortion of the image of the fisheye lens 9 may be stored in advance in a memory in the DSP 25 or the like.
- the process management unit 34 Instructs the G engine 35 to decompress the stored moving image data 53 stored in the HDD 26 at the past time specified by the display designation command, and also displays the JPEG engine 35 to the display image generation unit 32. Instructs generation of wide-screen display still image data based on still image data generated by decompression.
- the JPEG engine 35 reads the compressed still image data at the designated time from the stored moving image data 53 stored in the HDD 26, and Elongate.
- the JPEG engine 35 analyzes the compressed still image data that has been read, executes run-length compositing processing, inverse DCT conversion processing in units of blocks, etc., and generates decompressed wide-angle screen still image data.
- the display image generation unit 32 acquires still image data of a wide-angle screen (circular image) expanded by the JPEG engine 35, cuts out a predetermined portion of the data force as necessary, and extracts the predetermined portion. Reduces the aspect ratio and resolution to produce display still image data on a square wide-angle screen.
- the display image generating unit 32 generates display still image data of a predetermined size of a wide-angle screen to be displayed on the large LCD 43 of the personal computer 12. Note that the display image generation unit 32 reads the decompressed still image data stored in the HDD 26 by the JPEG engine 35 from the HDD 26 and acquires the wide-screen still image data expanded by the JPEG engine 35.
- the display image generation unit 32 generates display still image data based on a combination of display designation commands stored in the RAM.
- the combination of display designation commands stored in the RAM is updated due to the reception of a new display designation command
- the display image generation unit 32 generates display still image data based on the updated combination.
- the ultra-small and wide-angle camera device 1 ends the display still image data generation process in step ST13 of FIG.
- the device communication unit 37 of the ultra-small and wide-angle camera device 1 transmits the generated display still image data to the host of the personal computer 12 as shown in FIG. Transmit to the communication unit 46 (step ST14).
- the display still image data includes the communication buffer of the device communication unit 37, the USB connector 7 of the ultra-small wide-angle power device 1, the USB cable 11, the USB connector 44 of the personal computer 12, and the host communication.
- the data is transmitted to the host communication unit 46 via the communication buffer of the unit 46.
- the host communication unit 46 supplies the received display still image data to the PC storage processing unit 48.
- the PC storage processing unit 48 stores the supplied received data in the HDD 45 of the personal computer 12. As a result, the display still image data is stored as the received data 51 in the HDD 45 of the personal computer 12. [0117] Further, the PC storage processing unit 48 notifies the PC display control unit 47 that the display still image data has been stored in the HDD 45. The PC display control unit 47 reads display still image data from the HDD 45 of the personal computer 12 and supplies it as display data to the large LCD 43 of the personal computer 12.
- the LCD 43 of the personal computer 12 displays the wide-angle screen of FIG. Is displayed.
- the outer edge of the circular image is displayed in uniform black.
- the LCD 43 of the personal computer 12 displays a circular image (an image such as the captured still image data 52).
- the cutout screen shown in Fig. 9 (B) is displayed, with a portion cut out and the cutout portion enlarged.
- the LCD 43 of the personal computer 12 displays a circular image with a reduced data amount and a circular image.
- a double screen with a magnified image power that is, a double screen shown in Fig. 9 (C) is displayed by cutting out a part of the image (image such as imaged still image data 52) and enlarging the extracted part. Is done.
- the image cutout range is displayed on the LCD 43 of the personal computer 12 from FIG. 9B, for example. A small, a large, or a large cut-out screen is displayed.
- the ultra-small wide-angle camera device 1 has a stationary display as shown in FIG. The image data generation process is repeatedly executed.
- step ST16 when the accumulated video data 53 or the like stored in the HDD 26 of the ultra-small and wide-angle camera device 1 is updated or the display update cycle elapses (step ST16), the processing is performed.
- the management unit 34 instructs generation of the next display still image data based on the combination of display designation commands stored in the RAM (step ST17).
- the JPEG engine 35 and the display image generation unit 32 generate the next display still image data based on the next display still image data generation instruction from the processing management unit 34.
- the device communication unit 37 transmits the generated display still image data to the host communication unit 46 of the personal computer 12 (step ST18).
- the PC storage processing unit 48 stores the received display still image data in the HDD 45.
- the PC display control unit 47 reads display still image data from the HDD 45 of the personal computer 12 and supplies it as display data to the large LCD 43 of the personal computer 12. As a result, a screen with the following still image data is displayed on the large LCD 43 of the personal computer 12 (step ST19).
- This second display still image data is based on the display designation command string stored in the RAM by the ultra-small wide-angle camera device 1, and the same display designation as the first display still image data. Based on commands. Therefore, if there is a change in the scene that appears in the fisheye lens 9 between the display screen based on the first display still image data and the display screen based on the second display still image data, The change will be displayed as a screen change on the large LCD 43 of the personal computer 12.
- the processing management unit 34 of the ultra-small and wide-angle camera device 1 updates the stored moving image data 53 and the like stored in the HDD 26 or the display update cycle elapses.
- the next display still image data is generated and transmitted repeatedly (steps ST21 and ST22).
- the large L CD 43 of the personal computer 12 displays the newly received still image (step ST23).
- the large LCD 43 of the personal computer 12 displays a plurality of still images that are continuously captured by the ultra-small and wide-angle camera device 1 (steps ST15, ST19, ST23).
- the ultra-small and wide-angle camera device 1 is based on the designated display designation command.
- the PC display control unit 47 of the personal computer 12 also receives the input device 42 force when new input data is supplied, while transmitting a plurality of display still image data continuously imaged to the personal computer 12. Based on the new input data, a new display designation command is generated and transmitted to the ultra-small and wide-angle camera device 1.
- the combination of display designation commands stored in the RAM of the ultra-small and wide-angle camera device 1 is updated.
- the combination of display designation commands stored in the RAM is updated from one that designates display of a wide-angle screen to one that designates display of a cut-out screen.
- the process management unit 34 changes subsequent instructions accordingly.
- the moving image displayed on the LCD 43 of the personal computer 12 is switched, for example, from the moving image on the wide-angle screen shown in FIG. 9 (A) to the moving image on the cut-out screen shown in FIG. 9 (B).
- the operation of the monitor system 13 described above is based on the operation of the input device 42 of the personal computer 12, and the moving image captured by the ultra-small and wide-angle camera device 1 or the moving image based on the moving image is large.
- the monitor system 13 according to this embodiment is based on the operation of the input device 22 of the ultra-small wide-angle power camera device 1, and based on the video of the wide-angle screen captured by the ultra-small wide-angle camera device 1 or based thereon
- the cut-out video can be displayed on the LCD5 of the ultra-small and wide-angle camera device 1.
- the input device 22 of the ultra-small and wide-angle camera device 1 generates a display designation command
- the display image generation unit 32 generates display still image data for the LCD 5 of the ultra-small and wide-angle camera device 1 and
- the LCD 5 of the camera device 1 may display an image based on the display still image data generated by the display image generation unit 32.
- the ultra-small and wide-angle camera device 1 has a microphone 27 in addition to this.
- the microphone 27 generates a sound signal.
- the AD converter 28 samples the sound signal and supplies the sound data to the camera storage processing unit 33 of the ASIC 24.
- the camera storage processing unit 33 stores the supplied sound data in the HDD 26 of the micro camera device. As a result, the accumulated sound data 54 is stored in the HDD 26 of the micro camera device.
- the micro camera device transmits the accumulated sound data 54 together with the display still image data generated by the display image generating unit 32 to the personal computer 12, and the personal computer 12 is based on the accumulated sound data 54 from a speaker not shown. Sound such as voice may be output. Thereby, the personal computer 12 can reproduce the moving image and the sound monitored by the micro camera device.
- the ultra-small wide-angle camera device 1 and the personal computer 12 are connected by the USB cable 11.
- the CMOS imaging device 21 of the ultra-small and wide-angle camera device 1 generates luminance distribution data including a circular image.
- the color conversion processing unit 31 generates square captured still image data 52 including a circular image.
- the JPEG engine 35 compresses the captured still image data 52 using the JPEG method.
- the HDD 26 stores accumulated moving image data 53 including a plurality of compressed still image data.
- the JPEG engine 35 decompresses the compressed still image data stored in the HDD 26.
- the display image generation unit 32 generates display image data to be displayed on the LCD 43 of the personal computer 12 or its own LCD 5 from the expanded still image data.
- the captured still image data 52 imaged by the ultra-small and wide-angle camera device 1 is compressed by the JPEG method, and later expanded to obtain a desired arbitrary range.
- a cut image obtained by cutting and enlarging only that portion can be transmitted to the personal computer 12 and displayed on the LCD 43 of the personal computer 12, or the cut image can be displayed on the LCD 5 of the ultra-small wide-angle camera device 1.
- the color conversion processing unit 31 also uses a plurality of pixels in a peripheral portion outside a predetermined circular range of a square image including a circular image captured by the fisheye lens 9 based on the replacement area data 69.
- the captured still image data 52 is generated by replacing the data with data of a single color (for example, black), and the JPEG engine 35 compresses the captured still image data 52 using the JPEG method.
- the block consisting only of pixel data of a single color at the peripheral portion has only a direct current component and does not generate an alternating current component by block encoding in the JPEG method.
- the data amount of the AC component encoded by the run-length code in the JPEG format is reduced.
- the compression method in the monitor system 13 according to this embodiment the data amount of the captured image after compression is compressed by the PEG method without replacing the peripheral portion with a single color. Compared to, it is significantly reduced.
- the JPEG engine 35 of this embodiment expands the compressed still image data thus efficiently compressed, and the display image generation unit 32 converts the distortion of the image after the expansion processing into a fish. Correction is performed using parameters relating to image distortion of the eye lens 9, and a display image obtained by cutting out a part of the image after the expansion processing is generated. Therefore, after effectively reducing the data amount of the image captured using the fisheye lens 9 and storing it in the HDD 26, the image data is decompressed, and a part of the image is subjected to parameters according to the wide-angle lens. With proper distortion correction, it is possible to display images with the same good quality as when the same subject is imaged with a standard lens.
- the JPEG engine 35 compresses and stores all of the plurality of captured still image data 52 updated every time the CMOS imaging device 21 continuously captures images in the JPEG format. Stored as video data 53.
- the JPEG engine 35 saves a part of a plurality of still image data 52 updated by continuous imaging by the CMOS imaging device 21 by, for example, compressing every other image using the JPEG method. By doing so, the amount of data stored as the stored moving image data 53 may be reduced.
- the frame rate of the stored moving image data 53 is half that of the image captured by the CMOS imaging device 21.
- the CMOS imaging device 21 has 3 million pixels. Therefore, the compressed still image data is decompressed by the JPEG engine 35, and a part of the decompressed image can be cut out by the display image generation unit 32 at a VGA size or more. Therefore, the storage area for saving the stored video data 53 of HDD52 is effectively Still image data stored in the HDD 52 while reducing the desired range, and expanding the extracted range to obtain a display image with practical and high resolution that is VGA size or larger. .
- the color conversion processing unit 32 uses a single color for a plurality of pixel data of a peripheral portion outside a predetermined circular range of a rectangular image including a circular image captured by the fisheye lens 9. (For example, black) data.
- the color conversion processing unit 32 replaces a plurality of pixel data at the peripheral portion with a plurality of colors having substantially the same value, and further reduces the number of colors so that the number of colors is reduced from the original image at the peripheral portion. It may be replaced with multiple colors.
- the plurality of pixel data in the peripheral portion may have a substantially uniform color or the number of colors may be reduced.
- the high-frequency component when compressed by the JPEG method is reduced, or the run length becomes long, so the data amount after compression should be replaced with a substantially uniform color at the periphery. It is reduced compared to the case of compressing with JPEG method.
- the predetermined circular range is an original subject portion that does not include leakage light, diffracted light, or the like. However, in addition to the original subject portion, a slightly surrounding area thereof, that is, A circular range having a slightly larger diameter may be used. In addition, when the image to be copied has an elliptical shape, the predetermined circular range is the elliptical range.
- the color conversion processing unit 32 converts the plurality of pixel data in the peripheral portion into a single color.
- a plurality of pixel data at the peripheral portion may be replaced with single color (for example, black) data by the JPEG engine 35 or its preprocessing means.
- the HDD 26 that stores still image data (accumulated moving image data 53) compressed in JPEG format
- the JPEG engine 35 that expands the compressed still image data
- the display image generation unit 32 that generates display still image data from the data is provided in the ultra-small and wide-angle camera device 1. These components are all in it. Or part of it is installed on the personal computer 12!
- the device communication unit 37 of the ultra-small and wide-angle camera device 1 converts the still image data compressed by the JPEG engine 35 into The data may be transmitted to the host communication unit 46 of the personal computer 12 via the USB cable 11.
- the device communication unit 37 of the ultra-small wide-angle camera device 1 transmits the captured still image data 52 itself, which is not compressed by the PEG engine 35, to the host communication unit 46 of the personal computer 12, it is transmitted.
- the amount of image data to be reduced can be reduced.
- the fisheye lens 9 which is a kind of wide-angle lens is used.
- the present invention is not limited to the wide-angle lens.
- the configuration disclosed in this embodiment can be applied as long as the range of the subject imaged by the imaging device 21 is wider than the range of the subject to be displayed. By using the configuration disclosed in this embodiment, it is possible to expect a reduction in the amount of data to be stored or transmitted regardless of the type of lens.
- the ultra-small and wide-angle camera device 1 and the personal computer 12 exchange communication data with each other by the device communication unit 37, the USB cable 11 and the host communication unit 46 that constitute the transmission means.
- the ultra-small wide-angle camera device 1 and the personal computer 12 may be connected by a communication cable based on the IEEE802.3 standard or by wireless communication such as the IEEE802.11 standard. Good.
- the ultra-small and wide-angle camera device 1 and the personal computer 12 are connected to each other via a LAN (Local Area Network) or the so-called Internet that does not communicate directly with each other. It is also possible to send and receive predetermined communication data via a communication relay device such as a server device.
- a communication relay device such as a server device.
- one ultra-small wide-angle camera device 1 and one personal computer 12 are connected by the USB cable 11.
- one ultra-small wide-angle camera device 1 and a plurality of personal computers 12 are network-connected, or a plurality of ultra-small wide-angle camera devices 1 and one personal computer 12 are connected. Net Or a plurality of ultra-small wide-angle camera devices 1 and a plurality of personal computers 12 may be network-connected.
- each personal computer 12 identifies the ultra-small and wide-angle camera device 1 to be monitored using device identification information on the network such as an IP address, and sends a display designation command.
- each ultra-small and wide-angle camera device 1 may transmit the display still image data with the device identification information of the personal computer 12 as the transmission destination added thereto.
- the display image generating unit 32 performs a contour correction process of a predetermined image, a distortion correction process using parameters relating to the distortion of the image of the fisheye lens 9 (for example, a distortion aberration correction process), etc. Execute.
- the parameters relating to the distortion of the image of the fisheye lens 9 are stored in advance in a memory in the DSP 25 or the like.
- the display image generating unit 32 uses a parameter related to distortion of an image of a wide-angle lens such as the fisheye lens 9 added to the compressed still image data, and the distortion varies depending on the type of the wide-angle lens. Corrections may be made.
- This parameter may be added to the compressed still image data by the JPEG engine 35, for example.
- the display image generation unit 32 can generate a good display image in which image distortion caused by the lens, for example, regardless of the type of the wide-angle lens is preferably removed.
- the display image generation unit 32 when the display image generation unit 32 is realized on the personal computer 12 side and a plurality of ultra-small and wide-angle camera devices 1 having fisheye lenses 9 having different optical characteristics are connected to the personal computer 12 via a network. This parameter should be added to the compressed still image data. Thereby, the display image generation unit 32 can generate a display image in which image distortion is appropriately removed based on each still image data compressed by the plurality of ultra-small and wide-angle camera devices 1. . For example, when a plurality of ultra-small and wide-angle camera devices 1 are connected to a network and the cameras can be switched between them, the display image generation unit 32 is affected by the switching of the ultra-small and wide-angle camera device 1. It is possible to generate a display image from which the distortion of the image is appropriately removed.
- the parameter to be added to the compressed still image data is, for example, the camera unit 4 (such as EE PROM65, which can be recorded on a lens so that it can be optically read). Is recorded, and the JPEG engine 35 may read and add this record during compression.
- the display image generation unit 32 has table data including a plurality of parameter forces corresponding to the characteristics of the fisheye lens 9 in advance, and the JPEG engine 35 specifies which parameter in the table to use. You may make it add the information to do.
- a measurement reference member may be imaged in advance, a parameter may be generated by calculating the captured image force, and the generated parameter may be added to the compressed data.
- the process of generating a parameter by calculating the captured image force may be executed in the ultra-small and wide-angle camera device 1 or in the personal computer 12.
- a graph paper memory is attached to the inside of a hemispherical object, a plurality of radial lines are attached to the central force, or a plurality of concentric lines are attached. You can use what you did.
- the interval between the plurality of radial lines may be set at 15 ° and 30 ° intervals, for example.
- the interval between the concentric circles may be set to 2 cm, for example.
- the monitor system may have the following configuration, for example. That is, a rectangular image including a circular image captured by the fisheye lens 9 of the ultra-small wide-angle camera device 1 is compressed after replacing the pixel data so as to reduce the number of colors of a plurality of pixel data outside the predetermined circular range.
- the compressed still image data and the parameters relating to the image distortion of the fisheye lens 9 are stored in the storage device of the server device connected to the HDD 26 of the ultra-small and wide-angle camera device 1 or the network.
- the parameter may be attached as header data of JPEG data as compressed still image data.
- the ultra-small and wide-angle camera device 1 or the server device transmits the stored compressed still image data and parameters to the personal computer 12 connected via a network or the like.
- the display image generation unit provided in the personal computer 12 decompresses the received compressed still image data image, corrects it using the received parameters, cuts out a part of the corrected image, and generates a display image. .
- the LCD 43 of the personal computer 12 displays this display image.
- the monitor system has, for example, the following configuration. It may be completed. That is, a rectangular image including a circular image captured by the fish-eye lens 9 of the ultra-small wide-angle camera device 1 is compressed after replacing the pixel data so as to reduce the number of colors of a plurality of pixel data outside the predetermined circular range.
- the compressed still image data and the parameters relating to the image distortion of the fisheye lens 9 are stored in the storage device of the server device connected to the HDD 26 or the network of the ultra-small and wide-angle camera device 1. At this time, the parameter may be added as header data of JPEG data as compressed still image data.
- the ultra-small wide-angle camera device 1 or the server device expands the image of the compressed still image data to be memorized / created, and generates partial image data obtained by cutting out a part of the image.
- the ultra-small and wide-angle camera device 1 or the server device transmits the partial image data and parameters to the personal computer 12 connected via a network or the like.
- the display image generation unit provided in the personal computer 12 generates a display image by using the received parameters to correct image distortion due to the received partial image data.
- the LCD 43 of the personal computer 12 displays this display image.
- a square image including a circular image captured by the fisheye lens 9 can be efficiently compressed and stored.
- the image is appropriately corrected using the parameters relating to the distortion of the image of the fisheye lens 9, and an image obtained by cutting out a part of the image after the distortion correction is displayed. be able to.
- the monitor system and the like according to these modified examples are used to view an image including a circular image captured by the ultra-small camera wide-angle camera device 1 on a personal computer connected to a network or the like.
- a personal computer for example, executes a dedicated viewing software program for viewing the image, so that the network can also receive the image, visually correct the received image, and display it for viewing. can do.
- a dedicated viewing software program executed by this personal computer etc. is distributed free of charge, and images including circular images captured by the ultra-small camera wide-angle camera device 1 can be accessed via a network. Free samples etc. on server devices Thus, anyone can freely view a partial image obtained by cutting out the circular image force captured by the ultra-small camera wide-angle camera device 1. For example, if you are considering purchasing an ultra-small camera / wide-angle camera device 1, before you purchase it, you can run a viewing software program distributed free of charge on your personal computer and run a sample on the network. By browsing, it can be confirmed that the cut-out image is of sufficiently high quality. The sales promotion effect of the ultra-small camera / wide-angle camera device 1 can be expected.
- the present invention includes security systems for homes and buildings, various monitoring systems, remote monitoring systems for pets such as dogs and sightseeing spots, videophone systems, videoconferencing systems, systems for connecting remote spaces, personal It can be widely used as a video broadcasting system, an action recording system for people and cars, and so on.
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07743272A EP2037689A4 (en) | 2006-05-29 | 2007-05-14 | METHOD FOR COMPRESSING IMAGE DATA USING A WIDE-ANGLE LENS, DECOMPRESSED DISPLAY METHOD, COMPRESSION DEVICE, WIDE-ANGLE CAMERA DEVICE, AND MONITOR SYSTEM |
US12/302,152 US20100033552A1 (en) | 2006-05-29 | 2007-05-14 | Method for compressing imaging data by using wide-angle lens, decompressed display method, compression device, wide-angle camera device, and monitor system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-147864 | 2006-05-29 | ||
JP2006147864A JP2007318596A (ja) | 2006-05-29 | 2006-05-29 | 広角レンズによる撮像データの圧縮方法、伸長表示方法、圧縮装置、広角カメラ装置およびモニタシステム |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007138846A1 true WO2007138846A1 (ja) | 2007-12-06 |
Family
ID=38778366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/059837 WO2007138846A1 (ja) | 2006-05-29 | 2007-05-14 | 広角レンズによる撮像データの圧縮方法、伸長表示方法、圧縮装置、広角カメラ装置およびモニタシステム |
Country Status (6)
Country | Link |
---|---|
US (1) | US20100033552A1 (ja) |
EP (1) | EP2037689A4 (ja) |
JP (1) | JP2007318596A (ja) |
KR (1) | KR20090024158A (ja) |
CN (1) | CN101455090A (ja) |
WO (1) | WO2007138846A1 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4987757B2 (ja) * | 2008-03-03 | 2012-07-25 | 株式会社日立国際電気 | 映像表示装置 |
JP4860739B2 (ja) | 2009-09-03 | 2012-01-25 | パナソニック株式会社 | 画像処理装置及び画像処理方法 |
US20110292213A1 (en) * | 2010-05-26 | 2011-12-01 | Lacey James H | Door mountable camera surveillance device and method |
TW201215126A (en) * | 2010-09-27 | 2012-04-01 | Hon Hai Prec Ind Co Ltd | Image dividing system for cameras and using method of the same |
EP2485487A1 (en) * | 2011-02-04 | 2012-08-08 | EgAg Comp.Ltd. | Compression of images in a sequence |
JP2014216664A (ja) * | 2013-04-22 | 2014-11-17 | 株式会社東芝 | 画像表示方法 |
JP6275468B2 (ja) * | 2013-12-10 | 2018-02-07 | ハンファテクウィン株式会社Hanwha Techwin Co.,Ltd. | 画像処理装置、画像処理方法及び撮像装置 |
KR102179262B1 (ko) | 2014-06-11 | 2020-11-16 | 삼성전자주식회사 | 렌즈 왜곡 보정 장치 및 이를 포함하는 애플리케이션 프로세서 |
US10339544B2 (en) * | 2014-07-02 | 2019-07-02 | WaitTime, LLC | Techniques for automatic real-time calculation of user wait times |
US10244167B2 (en) * | 2016-06-17 | 2019-03-26 | Gopro, Inc. | Apparatus and methods for image encoding using spatially weighted encoding quality parameters |
EP3518534B1 (en) * | 2016-09-26 | 2023-05-17 | Sony Group Corporation | Encoding device, encoding method, decoding device, decoding method, transmission device, and reception device |
US10072919B1 (en) | 2017-08-10 | 2018-09-11 | Datacloud International, Inc. | Efficient blast design facilitation systems and methods |
US10101486B1 (en) | 2017-08-10 | 2018-10-16 | Datacloud International, Inc. | Seismic-while-drilling survey systems and methods |
JP6472864B1 (ja) * | 2017-11-29 | 2019-02-20 | 株式会社近江デジタルファブリケーションズ | 画像配信システム、及び配信画像生成方法 |
US10989828B2 (en) | 2018-02-17 | 2021-04-27 | Datacloud International, Inc. | Vibration while drilling acquisition and processing system |
US10697294B2 (en) | 2018-02-17 | 2020-06-30 | Datacloud International, Inc | Vibration while drilling data processing methods |
CN109413389A (zh) * | 2018-11-15 | 2019-03-01 | 安徽盛联电力科技有限公司 | 一种广角安防监控装置 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10271341A (ja) * | 1997-03-27 | 1998-10-09 | Mitsubishi Electric Corp | 画像処理システム |
JPH1132296A (ja) * | 1997-07-11 | 1999-02-02 | Fuji Photo Film Co Ltd | 画像情報記録媒体 |
JP2000270297A (ja) * | 1999-03-12 | 2000-09-29 | Toshiba Video Products Japan Kk | デジタル映像記録再生機能を有する監視カメラシステム |
JP2001045438A (ja) * | 1999-08-04 | 2001-02-16 | Suzuki Motor Corp | 画像処理方法および画像処理装置 |
JP2003121320A (ja) * | 2001-10-09 | 2003-04-23 | National Institute For Materials Science | イリジウム合金の分析方法 |
JP2003284019A (ja) | 2002-03-27 | 2003-10-03 | Fuji Photo Film Co Ltd | 画像送信方法および装置並びにプログラム |
JP2003283819A (ja) | 2002-03-20 | 2003-10-03 | Fuji Photo Film Co Ltd | 画像補正方法および装置並びにプログラム |
JP2004007284A (ja) * | 2002-05-31 | 2004-01-08 | Ricoh Co Ltd | 映像記録システム、プログラム及び記録媒体 |
JP2004272767A (ja) * | 2003-03-11 | 2004-09-30 | Lsi Systems:Kk | 画像処理装置、画像提供サーバ装置、画像処理方法および画像処理プログラム |
JP2005339313A (ja) | 2004-05-28 | 2005-12-08 | Toshiba Corp | 画像提示方法及び装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08294119A (ja) * | 1995-04-21 | 1996-11-05 | Toshiba Corp | 画像符号化/復号化装置 |
US5691765A (en) * | 1995-07-27 | 1997-11-25 | Sensormatic Electronics Corporation | Image forming and processing device and method for use with no moving parts camera |
US6331869B1 (en) * | 1998-08-07 | 2001-12-18 | Be Here Corporation | Method and apparatus for electronically distributing motion panoramic images |
US5960108A (en) * | 1997-06-12 | 1999-09-28 | Apple Computer, Inc. | Method and system for creating an image-based virtual reality environment utilizing a fisheye lens |
US20020141657A1 (en) * | 2001-03-30 | 2002-10-03 | Robert Novak | System and method for a software steerable web Camera |
JP2007306353A (ja) * | 2006-05-12 | 2007-11-22 | Opt Kk | 動画の表示方法、動画表示システムおよび広角動画撮像装置 |
-
2006
- 2006-05-29 JP JP2006147864A patent/JP2007318596A/ja active Pending
-
2007
- 2007-05-14 US US12/302,152 patent/US20100033552A1/en not_active Abandoned
- 2007-05-14 KR KR1020087030618A patent/KR20090024158A/ko not_active Application Discontinuation
- 2007-05-14 CN CNA2007800193924A patent/CN101455090A/zh active Pending
- 2007-05-14 EP EP07743272A patent/EP2037689A4/en not_active Withdrawn
- 2007-05-14 WO PCT/JP2007/059837 patent/WO2007138846A1/ja active Application Filing
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10271341A (ja) * | 1997-03-27 | 1998-10-09 | Mitsubishi Electric Corp | 画像処理システム |
JPH1132296A (ja) * | 1997-07-11 | 1999-02-02 | Fuji Photo Film Co Ltd | 画像情報記録媒体 |
JP2000270297A (ja) * | 1999-03-12 | 2000-09-29 | Toshiba Video Products Japan Kk | デジタル映像記録再生機能を有する監視カメラシステム |
JP2001045438A (ja) * | 1999-08-04 | 2001-02-16 | Suzuki Motor Corp | 画像処理方法および画像処理装置 |
JP2003121320A (ja) * | 2001-10-09 | 2003-04-23 | National Institute For Materials Science | イリジウム合金の分析方法 |
JP2003283819A (ja) | 2002-03-20 | 2003-10-03 | Fuji Photo Film Co Ltd | 画像補正方法および装置並びにプログラム |
JP2003284019A (ja) | 2002-03-27 | 2003-10-03 | Fuji Photo Film Co Ltd | 画像送信方法および装置並びにプログラム |
JP2004007284A (ja) * | 2002-05-31 | 2004-01-08 | Ricoh Co Ltd | 映像記録システム、プログラム及び記録媒体 |
JP2004272767A (ja) * | 2003-03-11 | 2004-09-30 | Lsi Systems:Kk | 画像処理装置、画像提供サーバ装置、画像処理方法および画像処理プログラム |
JP2005339313A (ja) | 2004-05-28 | 2005-12-08 | Toshiba Corp | 画像提示方法及び装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2037689A4 |
Also Published As
Publication number | Publication date |
---|---|
US20100033552A1 (en) | 2010-02-11 |
EP2037689A4 (en) | 2009-12-16 |
EP2037689A1 (en) | 2009-03-18 |
JP2007318596A (ja) | 2007-12-06 |
KR20090024158A (ko) | 2009-03-06 |
CN101455090A (zh) | 2009-06-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2007138846A1 (ja) | 広角レンズによる撮像データの圧縮方法、伸長表示方法、圧縮装置、広角カメラ装置およびモニタシステム | |
WO2007138845A1 (ja) | 広角レンズによる撮像データの圧縮方法、圧縮装置、広角カメラ装置およびモニタシステム | |
JP4067281B2 (ja) | 画像処理方法とその方法を利用可能な画像符号化装置および画像復号装置 | |
JP2007306353A (ja) | 動画の表示方法、動画表示システムおよび広角動画撮像装置 | |
JP2015220510A (ja) | 撮像装置、撮像装置の制御方法及び画像処理方法 | |
JP2008028606A (ja) | パノラマ展開画像撮像装置およびパノラマ展開画像撮像システム | |
JP2015076782A (ja) | 画像処理装置、その制御方法、および制御プログラム | |
JP2007288354A (ja) | カメラ装置、画像処理装置および画像処理方法 | |
KR20100018998A (ko) | 전방위 감시 카메라 시스템 및 그를 이용한 영상처리방법 | |
JP2004266670A (ja) | 撮像装置及び方法、画像情報提供システム並びにプログラム | |
US7676105B2 (en) | Method, apparatus, article and system for use in association with images | |
US20030210822A1 (en) | Image processing apparatus and method for efficiently compressing and encoding still images and motion pictures | |
JP6245819B2 (ja) | 画像処理装置及び画像処理方法 | |
JP2001333430A (ja) | 画像処理装置、方法、及びコンピュータ読み取り可能な記憶媒体 | |
CN112422782B (zh) | 显示控制设备及其控制方法和计算机可读存储介质 | |
JP2003319386A (ja) | モバイル端末機への撮影画像伝送システム | |
JP6245818B2 (ja) | 撮像装置及び撮像装置の制御方法 | |
JP6192319B2 (ja) | 画像処理装置及び画像処理方法 | |
JP2007259372A (ja) | 書画撮影装置、画像出力装置、撮像装置、および、プログラム | |
JP2006005952A (ja) | 電子カメラ、画像記録装置、画像記録方法及びプログラム | |
JP2014179851A (ja) | 撮像装置及び撮像装置の制御方法 | |
JP2000152069A (ja) | 撮影装置、映像伝送システム、映像受信装置、映像送信装置、映像符号化装置および映像再生装置 | |
JP2000115605A (ja) | ディジタルカメラ | |
JP2004208213A (ja) | ビデオ信号処理システムおよび該システムを構成するビデオ信号処理装置、携帯端末、ビデオ信号符号化装置、ビデオ信号記録装置、ビデオ信号符号化復号化装置、ならびにこれらの装置を用いた監視システム | |
JP2012090212A (ja) | 画像処理装置、携帯情報端末装置、画像処理方法、及びプログラム |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200780019392.4 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07743272 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020087030618 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007743272 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12302152 Country of ref document: US |