WO2003036990A1 - Systeme de reproduction video couleur - Google Patents
Systeme de reproduction video couleur Download PDFInfo
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- WO2003036990A1 WO2003036990A1 PCT/JP2002/011031 JP0211031W WO03036990A1 WO 2003036990 A1 WO2003036990 A1 WO 2003036990A1 JP 0211031 W JP0211031 W JP 0211031W WO 03036990 A1 WO03036990 A1 WO 03036990A1
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- 238000006243 chemical reaction Methods 0.000 claims description 64
- 238000005286 illumination Methods 0.000 claims description 31
- 230000003595 spectral effect Effects 0.000 claims description 31
- 238000001228 spectrum Methods 0.000 claims description 31
- 230000035945 sensitivity Effects 0.000 claims description 13
- 238000010586 diagram Methods 0.000 description 41
- 239000011159 matrix material Substances 0.000 description 24
- 238000013500 data storage Methods 0.000 description 17
- 238000007726 management method Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 230000006870 function Effects 0.000 description 9
- 238000004364 calculation method Methods 0.000 description 8
- 239000003086 colorant Substances 0.000 description 7
- 238000012937 correction Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000003384 imaging method Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 4
- 238000009877 rendering Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000001444 catalytic combustion detection Methods 0.000 description 1
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- 238000012552 review Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
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- 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
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/603—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
Definitions
- the present invention relates to a color video reproduction system, and more particularly, to a color video reproduction system that performs accurate color reproduction processing on video data composed of a plurality of frames.
- color adjustment specialists have used empirical techniques to process color images in closed systems, but in order for ordinary people to correctly handle color images in open systems, It is necessary to have color reproduction information with a common format II interface that defines the color reproduction characteristics of input / output devices, and a system that performs color conversion using such color reproduction information.
- the ICC International Color Consortium
- ICC profile is color reproduction information
- the specifications of this ICC profile can be found in Specification ICC. 1: 1998-09 (Reference 1) http: // www. Color.org.
- the photographing side outputs a correct signal in accordance with the standard
- the display side receiving the signal reproduces the image using a display having characteristics in accordance with the standard. It is possible.
- the current color management system using the ICC profile as described above has been proposed for image data mainly composed of still images, and information such as photographing conditions necessary for color reproduction is time information. For video data that fluctuates dynamically, no consideration is given to enable accurate color reproduction.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a color video reproduction system that can accurately reproduce video data composed of a plurality of frames. Disclosure of the invention
- a color video reproduction system comprises a color video input unit, a color video output unit, a color reproduction characteristic of the color video input unit, and a color of the color video output unit.
- Color conversion means for converting a color signal of the color video input means into a color signal of the color video output means using reproduction characteristics.
- the color reproduction characteristics of the input image output means and the color reproduction characteristics of the output image output means are respectively constituted by the color reproduction characteristics corresponding to each frame of the image.
- the color video reproduction system according to the second invention is the color video reproduction system according to the first invention, wherein the color reproduction characteristics corresponding to each of the frames are at least one of information to be described in the color reproduction characteristics.
- the part is the same as the information to be described in the color reproduction characteristic corresponding to the immediately preceding frame, the description of the information can be omitted.
- the color image reproduction system when the color reproduction characteristic arbitrarily selects a predetermined number of consecutive frames, the color image reproduction system includes a plurality of selected frames. All of the information to be described in the color reproduction characteristics is described in at least one of the plurality of color reproduction characteristics corresponding to the frame.
- the color image reproduction system is the color image reproduction system according to the first to third aspects, wherein the color reproduction characteristics of the color image input means are the spectral sensitivity of the color image input means and the imaging illumination light. It includes at least one of the following: a spectrum, and statistical information of the spectral reflectance of the subject.
- a color image reproduction system is the color image reproduction system according to the first to third aspects, wherein the color reproduction characteristics of the color image output means are different from the output spectrum of the color image output means. It includes at least one of the following: a tonality characteristic, an observation illumination light spectrum, and a color matching function.
- FIG. 1 is a diagram showing a schematic configuration of a color video reproduction system according to a first embodiment of the present invention.
- FIG. 2 is a diagram showing the spectral sensitivity of the six-band camera according to the first embodiment.
- FIG. 3 is a diagram showing a light emitting spectrum of six primary colors of the six primary color display according to the first embodiment.
- FIG. 4 is a block diagram showing a configuration of the video conversion device according to the first embodiment.
- FIG. 5 is a diagram showing a configuration of shooting setting information in the first embodiment.
- FIG. 6 is a diagram showing a configuration of video data according to the first embodiment.
- FIG. 7 is a block diagram illustrating a configuration of an input profile creation unit according to the first embodiment.
- FIG. 8 is a view showing the concept of an input profile creation process in the input profile creation unit of the first embodiment.
- FIG. 9 is a diagram showing a configuration of an input profile according to the first embodiment.
- FIG. 10 is a block diagram illustrating a configuration of a video data input unit according to the first embodiment.
- FIG. 11 is a diagram conceptually showing a format of data stored in a video data storage unit according to the first embodiment.
- FIG. 12 is a block diagram illustrating a configuration of a color conversion unit according to the first embodiment.
- FIG. 13 is a diagram conceptually showing a color conversion process in the color conversion unit of the first embodiment.
- FIG. 14 is a block diagram showing the configuration of the color management module according to the first embodiment.
- FIG. 15 is a block diagram illustrating a configuration of a color estimating unit according to the first embodiment.
- FIG. 16 is a block diagram illustrating a configuration of a display color conversion unit according to the first embodiment.
- FIG. 17 is a diagram showing a configuration of profile data in the color video reproduction system according to the first embodiment.
- FIG. 18 is a diagram showing a configuration of profile data in the color video reproduction system according to the second embodiment of the present invention.
- FIG. 19 is a diagram showing a configuration of profile data in the color video reproduction system according to the third embodiment of the present invention.
- FIG. 20 is a block diagram showing the configuration of the video conversion device according to the third embodiment.
- FIG. 21 is a diagram showing the concept of video editing processing in the video editing unit of the third embodiment.
- FIG. 1 to 16 show a first embodiment of the present invention
- FIG. 1 is a diagram showing a schematic configuration of a color video reproduction system.
- the color image reproduction system includes a 6-band camera 1 serving as a color image input unit for photographing a subject 8 illuminated by the photographing illumination light 7, and a color image input from the 6-band camera 1.
- a video conversion device 2 as a color conversion means for converting into a color video for output to a primary color display 3, and a power output device for projecting the color video converted by the video conversion device 2 onto, for example, a screen 4. It comprises a 6-primary-color display 3, an illumination sensor 6 for inputting spectral data of the photographing illumination light 7, and a microphone 5 for inputting audio data.
- the 6-band camera 1 acquires video data, which is a color signal of the subject 8 illuminated by the photographing illumination light 7, and outputs the color data to the video conversion device 2, and a lens for forming the subject image And a branch optical system for branching the light incident through the lens in six directions, and six CCDs located on the image plane of the light branched by the branch optical system.
- FIG. 2 is a diagram showing the spectral sensitivity of the six-band camera 1.
- this six-band camera 1 has six different independent spectral sensitivity characteristics in the visible wavelength range from 380 nm to 780 nm, and each is acquired by these spectral sensitivities. It outputs six video signals.
- the illumination sensor 6 is installed in the vicinity of the subject 8 and measures the illumination light spectrum of the photographing illumination light 7 illuminating the subject 8 with the same time sampling as the photography by the 6-panel camera 1. Thus, it is configured to output to the video conversion device 2 as 401 measurement spectrum data obtained by engraving 180 nm to 780 nm at intervals of 1 nm.
- the microphone 5 is installed near the subject 8, inputs the sound near the subject 8, and outputs it to the video converter 2 as audio data.
- the video converter 2 inputs video data from the 6-band camera 1, shooting illumination light spectrum data from the illumination sensor 6, and audio data from the microphone 5. Then, the input video data is converted into display signal video data that is displayed as an accurate color by the six primary color displays 3 and output to the six primary color displays 3 in a predetermined format including audio data.
- the above 6 primary color display 3 displays the display signal video data, which is the color signal input from the video converter 2, on the screen 4 so that it can be observed and synchronizes with the display of this video. Sound is output by a speaker that emits sound.
- FIG. 3 is a diagram showing a light emitting spectrum of the six primary colors of the six primary colors display 3.
- FIG. 4 is a block diagram showing the configuration of the video conversion device 2.
- the video converter 2 includes a video data input section 11, an input profile creation section 12, a data storage section 13, a color conversion section 14, a video data output section 15, and an audio data input section. 16 and.
- the input profile creating unit 12 inputs the shooting setting information from the 6-band camera 1 and inputs the shooting illumination light spectrum data from the illumination sensor 6 in synchronization with the input of the shooting setting information. Further, the photographing characteristic data is input from the data storage unit 13.
- the shooting setting information is information related to the settings of the 6-band camera 1 at the time of shooting each frame of the video, and includes the lens aperture, the focus position, and the exposure time.
- FIG. 5 is a diagram showing a configuration of the shooting setting information.
- the shooting setting information is sequentially recorded for each frame of the video data in one-to-one correspondence.
- the shooting characteristic data includes the spectral sensitivity of the six-band camera 1 in the reference setting, the gradation characteristic, and the statistical data of the subject spectral reflectance.
- the input profile creation section 12 creates an input port file having color reproduction characteristics from these data, and outputs it to the video data input section 11 or the data storage section 13. Whether to output the input profile to the video data input unit 11 or the data storage unit 13 is determined in the video data input unit 11 by a setting made by the user of the video conversion device 2.
- the data storage unit 13 outputs the photographing characteristic data to the input profile creation unit 12 and inputs and records the input profile created by the input profile creation unit 12 as needed. Further, the data storage unit 13 outputs the recorded input profile ⁇ the previously recorded color space conversion profile and output profile to the color conversion unit 14.
- the video data input unit 11 inputs video data from the 6-panel camera 1 and audio data from the audio data input unit 16 and inputs an input profile from the input profile creation unit 12 as necessary. Then, the image data is converted into a predetermined format and output to the color conversion unit 14.
- whether or not the input profile is input to the video data input unit 11 is determined in the video data input unit 11 by the setting made by the user of the video conversion device 2 as described above.
- FIG. 6 is a diagram showing a configuration of video data.
- the video data input from the 6-panel camera 1 has six bands of signal values CI (X), C2 (X), C3 (X)., C4 ( x), C5 (x), C6 (x)
- the force is sequentially recorded for each pixel indicated by " x ".
- the color conversion section 14 converts the video data of a predetermined format input from the video data input section 11 into a display signal composed of signal values of a 6-primary-color display using an input profile, a color-sky conversion profile, and an output profile. It is converted to video data and output to the video data output unit 15.
- the input profile included in the video data is used in the color conversion unit 14, while the input profile is not included in the video data.
- the input profile is input from the data storage unit 13 and used by the color conversion unit 14.
- the video data output section 15 receives the display signal video data from the color conversion section 14 and outputs it to the 6 primary color display 3.
- FIG. 7 is a block diagram showing the configuration of the input profile creation unit 12.
- the input profile creation unit 12 includes a data calculation unit 21 and a profile creation unit 22.
- the data calculation unit 21 inputs the photographing characteristic data from the data storage unit 13 and also inputs the photographing illumination light spectrum from the illumination sensor 6 and the photographing setting information from the 6-band camera 1 for each frame. Then, a spectral reflectance estimating matrix for calculating the spectral reflectance of the subject is calculated.
- the means to calculate the spectral reflectance estimation matrix from the statistical data of the camera's spectral sensitivity, shooting illumination light spectrum, and subject's spectral reflectance is described by Yuri Murakami et al., “A color imaging system capable of accurate color reproduction. Development ”(pages 5 to 8 of the Color Forum JAPAN'99 Transactions) (Ref. 2), etc., and will not be described here.
- the spectral sensitivity of the camera corresponding to each frame is obtained by inputting the spectral sensitivity of the 6-band camera 1 and the spectral sensitivity of the 6-band camera 1 in the reference setting included in the imaging characteristic data input from the data storage unit 13. Is calculated based on the lens aperture and the exposure time included in the shooting setting information.
- the calculated spectral reflectance estimation matrix, the other imaging setting information and imaging characteristic data are output to the profile creation unit 22.
- the profile creation unit 22 creates an input profile in a predetermined format based on the spectral reflectance estimation matrix input from the data calculation unit 21, other shooting setting information, and shooting characteristic data, and generates video data. Output to input section 11 or data storage section 13.
- FIG. 8 is a diagram showing the concept of the input profile creation process in the input profile creation unit 12.
- the photographing characteristic data is data that is used in common for all frames, but the photographing setting information and the photographing illumination light spectrum use different data for each frame.
- the photographing characteristic data includes the camera spectral sensitivity, the photographing illumination light spectrum, It includes subject spectral reflectance statistics and gradation characteristics.
- the shooting setting information includes an exposure time and an aperture value corresponding to the frame number.
- the photographing illumination light spectrum includes spectrum data corresponding to the frame number.
- the input profile of the first frame is composed of shooting characteristic data, shooting setting information of the first frame (in the example shown, exposure time 1/60 second, aperture value 2.0), and shooting illumination spectrum ( In the example shown in the figure, the spectrum data is calculated based on 1). It is calculated based on time 1/60 second, aperture value 2.8) and shooting illumination spectrum (spectral data 2) in the example shown. Such processing is performed for the Nth frame.
- FIG. 9 is a diagram showing the configuration of the input profile.
- the input profile corresponding to the N frames created in this manner has an index section in which information such as the frame number of the input profile and the address of the profile corresponding to the frame are recorded. And an input profile corresponding to each frame.
- the input profile corresponding to each frame is configured to include a header, a tag table, and tag data, similarly to the ICC profile described in Reference 1 described above.
- FIG. 10 is a block diagram showing the configuration of the video data input unit 11.
- the video data input unit 11 includes a format conversion unit 31 and a video data storage unit 32.
- the format conversion section 31 converts video data input from the 6-band camera 1 into data of a predetermined format, and outputs the data to the video data storage section 32.
- the video data storage unit 32 includes a predetermined format video data input from the format conversion unit 31, audio data input from the audio data input unit 16, and an input profile creation unit 12 according to user settings. Based on the input profile input from, the video, audio, and input profile are integrated, stored as data in a predetermined format, and output to the color conversion unit 14.
- FIG. 11 is a diagram conceptually showing a format of data stored in the video data storage unit 32.
- the video data, audio data, and input profile are independent files each containing data for an arbitrary number of frames. These files are managed by index files. Has become.
- the video data, audio data, and input profile corresponding to each frame have their addresses described in the index file, and by referring to this index file, the video data, audio data, and It is a mechanism that can access the input profile data.
- the video data file, the audio data file, and the input profile have predetermined extensions. Note that the video data, the audio data, the input profile, and the like as described above are not limited to the configuration in which each is divided into a plurality of files.
- FIG. 12 is a block diagram illustrating a configuration of the color conversion unit 14.
- the color conversion section 14 has an input profile input section 41, a color space conversion profile input section 42, an output profile input section 43, and a color management module 44 as color conversion means. It is configured.
- the input profile input section 41, the color space conversion profile input section 42, and the output profile input section 43 store the input profile, color space conversion profile, and output profile specified by the user settings from the data storage section 13. Each is input and output to the color management module 44.
- the color management module 44 converts the video data input from the video data input unit 11 into a display signal video of the 6 primary color display 3 using these data, and outputs it to the video data output unit 15. However, when the input profile is included in the video data, the input profile included in the video data is used without inputting the input profile from the input profile input unit 41.
- FIG. 13 is a diagram conceptually showing a color conversion process in the color conversion unit 14.
- the color management module ⁇ 4 4 (abbreviated as CMM in FIGS. 13 and 14) is used for input video data and input data corresponding to the first frame.
- the output video data of the first frame is calculated and output.
- the color management module 4 4 inputs the input video data, the input profile, the color space conversion profile, and the output profile corresponding to the second frame, and outputs the output video of the second frame. Calculate and output data.
- the color management module 44 sequentially performs such processing for N frames.
- FIG. 14 is a block diagram showing a configuration of the color management module 44. As shown in FIG. '
- the color management module 44 includes a color estimator 51 and a display color converter 52.
- the color estimating unit 51 converts the video data input from the video data input unit 11 into the input profile input from the input profile input unit 41 and the color space conversion input from the color space conversion profile input unit 42.
- the data is converted into colorimetric image data using the profile and, and is output to the display color converter 52.
- the display color conversion unit 52 receives the colorimetric image data input from the color estimation unit 51, the color space conversion profile input from the color space conversion profile input unit 42, and the output profile input unit 43.
- the display signal is converted into video data using the output profile and, and is output to the video data output unit 15.
- FIG. 15 is a block diagram showing a configuration of the color estimating unit 51.
- the color estimating unit 51 includes a gradation correcting unit 61, a matrix calculating unit 62, and a matrix converting unit 63.
- the tone correction section 61 receives the tone characteristic data from the input profile input section 41 and uses this tone characteristic data to convert the video data input from the video data input section 11 into light intensity. Is corrected so that the signal value becomes linear with respect to, and is output to the matrix conversion section 63.
- the matrix calculation unit 62 calculates a colorimetric value estimation matrix using the spectral reflectance estimation matrix input from the input profile input unit 41 and the color space conversion profile input from the color space conversion profile input unit 42. I do.
- the color space conversion profile includes a rendering illumination light spectrum, which is an observation illumination light spectrum that defines a reflection spectrum with respect to a spectral reflectance, and a color matching function.
- L 3.
- the wavelength dimension 401 relating to the spectral reflectance, the rendering illumination light spectrum, and the color matching function is 380 ⁇ ! It corresponds to a sample wavelength of ⁇ 780 nm at 1 nm intervals.
- the matrix conversion unit 63 receives the colorimetric value estimation matrix calculated by the matrix calculation unit 62, and applies the colorimetric value estimation matrix to the 6-band image data with gradation correction input from the gradation correction unit 61. The value is calculated and output to the display color conversion unit 52.
- FIG. 16 is a block diagram showing the configuration of the display color conversion unit 52.
- the display color conversion section 52 includes a matrix calculation section 72, a matrix conversion section 71, and a gradation correction section 73.
- the matrix conversion unit 71 uses the colorimetric values of each of the six primary colors of the six primary colors display 3 input from the matrix calculation unit 72 at the time of maximum emission, and calculates the colorimetric values input from the color estimating unit 51 into the six primary colors.
- the signal is converted into a display signal of the display 3 and output to the gradation correction unit 73.
- T. Ajito et al. “Color Conversion Method for Mu-tiprimary Display Using Matrix Switching” (Optical Review Vol. 8, No. 3, 2001). Since it is described in pp. 191 to pp. 197 (Reference 3), the description is omitted here.
- the tone correction unit # 3 performs tone correction of the display signal input from the matrix conversion unit 71 using the tone characteristic data of the six primary color displays 3 input from the output profile input unit 43, Output to video data output unit 15.
- the first embodiment by providing a port file corresponding to each frame of video data, accurate color reproduction can be performed in an open system, and the input / output color characteristics can be determined for each frame. Can be changed.
- the input profile can cope with a case where the camera lens aperture, the exposure time, the photographing illumination light spectrum, the statistics of the spectral reflectance of the subject, and the like change for each frame.
- the rendering illumination spectrum can be changed for each frame.
- components of the input profile data such as the spectral sensitivity of the color image input means, the photographing illumination light spectrum, and statistical information of the spectral reflectance of the subject are used.
- the components of the output profile the color image is used. Accurate color reproduction can be achieved by using data such as the output spectrum, gradation characteristics, observation illumination light spectrum, and color matching function of the output means.
- FIG. 18 illustrates the second embodiment of the present invention, and is a diagram illustrating a configuration of profile data in a color video reproduction system.
- FIG. 17 is a diagram showing the configuration of profile data in the force video reproduction system of the first embodiment.
- FIG. 18 will be described in comparison with FIG. In the second embodiment, a description of the same parts as those in the first embodiment will be omitted, and only different points will be mainly described.
- the configuration of the power video reproduction system of the second embodiment is the same as that of the power video reproduction system of the first embodiment described above except for the profile data. Reference will be made to the drawings and reference numerals of the embodiment.
- the profile shown in FIG. 17 has the same structure as the profile used in the color image reproduction system according to the first embodiment described above, and the profile corresponding to each frame includes a header, a tag table, and tag data.
- the tag table and tag data are described for all data (K) for each frame.
- the profile shown in FIG. 18 has a profile structure in the color video reproduction system according to the second embodiment, and the same data as the profile data of the immediately preceding frame is described. It has a structure. That is, in the example shown in FIG. 18, first, the profile of the first frame includes all data. Next, since the profiles of the second frame are all the same as the profile of the first frame except for the first data indicated by the tag identifier 1 and the second data indicated by the tag identifier 2, Not described. Thus, after the second frame, only the data that is different from the immediately preceding frame is described. Thereafter, similarly, for the same data as the immediately preceding frame, the description of the data is omitted.
- Color management module 4 4 can always accurately obtain profile data corresponding to the frame being processed.
- the same effects as those of the first embodiment can be obtained, and when the same information is included in the profiles corresponding to a plurality of frames, the profile The amount of information required to describe the information can be reduced. Also, even when the profile does not change for each frame, it becomes possible to record necessary information with a small amount of information in a format compatible with the case where the profile changes for each frame.
- FIGS. 19 to 21 show a third embodiment of the present invention
- FIG. 19 is a diagram showing a configuration of profile data in a dynamic image reproducing system.
- the third embodiment a description of the same parts as those in the first and second embodiments will be omitted, and only different points will be mainly described.
- the drawings and reference numerals of the first embodiment will be referred to as necessary.
- the profile data is described with the same data as the profile data of the immediately preceding frame. It has a structure. However, what differs from the second embodiment is that at least a predetermined number of frames F (F is a positive integer) Number), every port file data is described regardless of whether it is the same as the data of the immediately preceding frame.
- the profile of the first frame 1 has all the data, and thereafter the port file for each F frame, that is, the frame F + 1 , Frame 2F + 1, frame 3F + 1,..., etc., the profile of the frame has all data.
- the number of frames F can be set by the user in the input profile creation unit 12.
- FIG. 20 is a block diagram showing the configuration of the video conversion device 2. As shown in FIG.
- the video conversion device 2 of the third embodiment differs from the first embodiment only in that a video editing unit 17 is added.
- the video editing unit 17 inputs the video data stored in the video data input unit 11, edits the video data by, for example, cutting or joining, and then outputs the video data to the video data input unit 11 again. It is supposed to.
- FIG. 21 is a diagram showing a concept of a video editing process in the video editing unit 17.
- the editing process shown in FIG. 21 shows an example in which the center portion of the video data composed of 1 to ⁇ frames is cut out and the front end portion and the rear end portion are joined.
- the corresponding profile data is connected to each other as shown in the figure, and this is output as edited video data.
- the desired data position and size are obtained by referring to the index files, respectively, and these are copied to create new edited data.
- the profile corresponding to the P + 1st frame originally describes only the data that is different from the profile data corresponding to the Pth frame, and this is the Qth frame that is the previous frame after editing. Usually, it does not match the data of the profile corresponding to.
- the profile corresponding to the P + 1st frame is to have all the data.
- the profile data corresponding to the P + 1st frame is all described in the open file data corresponding to the P + 2-Fth to P + 1st frames. Is guaranteed to be. This is because, as described above, the F profiles corresponding to the continuous F frames always include a profile including all data. Therefore, the profile data corresponding to the P + 2—F3 ⁇ 4 frame and the profile data corresponding to the P + 1 frame are sequentially read, and the data finally obtained by overwriting and saving each data is obtained. P + All data of the profile corresponding to the first frame.
- a flag may be provided in the profile data for each frame to determine whether or not the data is profile data having all data, and the profile data corresponding to the P + 1st frame is converted to a frame having a younger number. This flag may be checked in order going back to the corresponding profile data, and the profile data from the first found profile data to the profile data corresponding to the P + 1st frame may be read.
- the profile has all data within a predetermined number of continuous frames. Even if a profile format that omits the description of the same data is adopted, editing of video data can be performed relatively easily. It should be noted that the present invention is not limited to the above-described embodiment, and it is needless to say that various modifications and applications are possible without departing from the gist of the invention. Industrial applicability,
- the color video reproduction system of the present invention it is possible to perform accurate color reproduction of video data composed of a plurality of frames.
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US10/492,259 US20040257447A1 (en) | 2001-10-24 | 2002-10-24 | Color video reproducing system |
EP02802060A EP1447994A4 (en) | 2001-10-24 | 2002-10-24 | COLOR VIDEO REPRODUCTION SYSTEM |
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JP2001326731A JP2003134527A (ja) | 2001-10-24 | 2001-10-24 | カラー映像再現システム |
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EP (1) | EP1447994A4 (ja) |
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JP4174703B2 (ja) * | 2001-10-22 | 2008-11-05 | 独立行政法人情報通信研究機構 | スペクトル・色再現システム |
EP1686810A4 (en) * | 2003-11-11 | 2009-06-03 | Olympus Corp | DEVICE FOR ENTERING MULTISPECTRAL IMAGES |
JP2008288859A (ja) * | 2007-05-17 | 2008-11-27 | Olympus Corp | 高度な色再現が可能な映像表示システム |
JP5075648B2 (ja) * | 2008-01-15 | 2012-11-21 | オリンパス株式会社 | 画像処理装置、画像処理プログラムおよび画像処理方法 |
JP5253000B2 (ja) * | 2008-06-03 | 2013-07-31 | オリンパス株式会社 | 撮像装置 |
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JP2001008220A (ja) * | 1999-06-18 | 2001-01-12 | Olympus Optical Co Ltd | 色再現システム |
JP2001245307A (ja) * | 2000-03-01 | 2001-09-07 | Matsushita Electric Ind Co Ltd | 撮像装置 |
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JPS57185777A (en) * | 1981-05-12 | 1982-11-16 | Fuji Photo Film Co Ltd | Electronic camera with electronic memo |
US5255083A (en) * | 1991-06-05 | 1993-10-19 | Sony Corporation Of America | Digital color correction system and method |
JP3713321B2 (ja) * | 1995-12-19 | 2005-11-09 | オリンパス株式会社 | カラー画像記録再生システム及び画像カラー画像記録再生方法 |
JP4035189B2 (ja) * | 1995-12-28 | 2008-01-16 | キヤノン株式会社 | 撮像装置 |
JPH10105036A (ja) * | 1996-09-26 | 1998-04-24 | Nec Corp | 教材データベース装置 |
JP3786242B2 (ja) * | 1997-07-14 | 2006-06-14 | 富士写真フイルム株式会社 | 画像処理方法および装置、画像再生方法および装置並びにその方法に使用する画像確認装置 |
JP4076248B2 (ja) * | 1997-09-09 | 2008-04-16 | オリンパス株式会社 | 色再現装置 |
US6728472B1 (en) * | 1998-03-04 | 2004-04-27 | Sony Corporation | Video data reproducing device and video data reproducing method |
JP2000023010A (ja) * | 1998-07-07 | 2000-01-21 | Asahi Optical Co Ltd | 画像読取装置 |
JP2000278707A (ja) * | 1999-03-23 | 2000-10-06 | Mitsubishi Electric Corp | 画像データ変換方法、画像データ構成方法、画像データ変換装置および画像データを変換するプログラムを記録した記録媒体 |
JP2001045493A (ja) * | 1999-08-04 | 2001-02-16 | Casio Comput Co Ltd | 動画像符号化装置、動画像出力装置、及び記憶媒体 |
JP2001136543A (ja) * | 1999-11-05 | 2001-05-18 | Mitsubishi Electric Corp | 画像データの変換方法および画像データ構成方法 |
WO2001037544A1 (fr) * | 1999-11-18 | 2001-05-25 | Fujitsu Limited | Procede et dispositif de creation de table de conversion de couleurs, et support de donnees sur lequel le programme de creation de table de conversion de couleurs est enregistre |
JP4415446B2 (ja) * | 2000-03-10 | 2010-02-17 | 凸版印刷株式会社 | 測色画像変換方法及び測色画像変換装置並びに測色画像変換プログラムを記録したコンピュータ読み取り可能な情報記録媒体 |
JP4174703B2 (ja) * | 2001-10-22 | 2008-11-05 | 独立行政法人情報通信研究機構 | スペクトル・色再現システム |
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2001
- 2001-10-24 JP JP2001326731A patent/JP2003134527A/ja active Pending
-
2002
- 2002-10-24 WO PCT/JP2002/011031 patent/WO2003036990A1/ja active Application Filing
- 2002-10-24 EP EP02802060A patent/EP1447994A4/en not_active Withdrawn
- 2002-10-24 US US10/492,259 patent/US20040257447A1/en not_active Abandoned
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JPH07182481A (ja) * | 1993-12-24 | 1995-07-21 | Nec Corp | 画像変換システム |
JP2001008220A (ja) * | 1999-06-18 | 2001-01-12 | Olympus Optical Co Ltd | 色再現システム |
JP2001245307A (ja) * | 2000-03-01 | 2001-09-07 | Matsushita Electric Ind Co Ltd | 撮像装置 |
Non-Patent Citations (1)
Title |
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See also references of EP1447994A4 * |
Also Published As
Publication number | Publication date |
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EP1447994A4 (en) | 2008-04-16 |
JP2003134527A (ja) | 2003-05-09 |
EP1447994A1 (en) | 2004-08-18 |
US20040257447A1 (en) | 2004-12-23 |
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