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Gamut clipping or adjustment

Subclass of:

345 - Computer graphics processing and selective visual display systems

345418000 - COMPUTER GRAPHICS PROCESSING

345581000 - Attributes (surface detail or characteristic, display attributes)

345589000 - Color or intensity

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DocumentTitleDate
20080297531COLOR GAMUT COMPONENT ANALYSIS APPARATUS, METHOD OF ANALYZING COLOR GAMUT COMPONENT, AND COLOR GAMUT COMPONENT ANALYSIS PROGRAM - A color gamut component analysis apparatus includes: a histogram processing section that performs histogram processing on color components in a video signal; a color gamut component calculating section that calculates a wide color gamut component larger than a signal by a predetermined standard, from the result of the histogram processing by said histogram processing unit; and a graphic processing section that generates and outputs a user interface image which shows the presence of said wide color gamut component in said video signal, or the ratio of said wide color gamut component to said video signal.12-04-2008
20130076776METHOD AND APPARATUS FOR PROVIDING INDEPENDENT GAMUT REMAPPING FOR MULTIPLE SCREEN SUBSECTIONS - An apparatus and method for providing display information generates, independently from an operating system, different screen subsections of a screen image using independent gamut remapping configurations to generate an output image in a target gamut space of a display. The method and apparatus also provides the generated output image for display or may display the generated output image.03-28-2013
20100033494GAMUT MAPPING - A color mapping system comprises a detail detector (02-11-2010
20100103188COLOR PROCESSING APPARATUS AND COLOR PROCESSING METHOD - An appropriate color matching can be realized, even if a viewing environment is changed, by acquiring a viewing condition under which a user views a color image, generating output data for outputting a color chart including color patches corresponding to acquired viewing condition, acquiring colorimetric values of the color patches contained in the color chart obtained by outputting the generated output data using an output device, and generating a profile concerning color processing condition according to the viewing condition based on acquired colorimetric values.04-29-2010
20100103187METHOD OF COLOR GAMUT MAPPING OF COLOR INPUT VALUES OF INPUT IMAGE PIXELS OF AN INPUT IMAGE TO RGBW OUTPUT VALUES FOR AN RGBW DISPLAY, DISPLAY MODULE, AND APPARATUS USING SUCH METHOD - Method, display module and apparatus arranged for color gamut mapping of color input values of input image pixels of an input image to RGBW output values for an RGBW display, the RGBW display comprising red pixels (R), green pixels (G), blue pixels (B) and brightness enhancing pixels (W). The method includes a) analyzing the color input values of the input image pixels of the input image for determining a degree of saturation (S) of the input image; b) determining a brightness-enhancing-pixel utilization factor (WPUR) for the input image in dependence on at least the degree of saturation (S); and c) color mapping of the color input values to the RGBW output values using at least the brightness-enhancing-pixel utilization factor (WPUR).04-29-2010
20130050245Gamut Compression for Video Display Devices - Apparatus and methods are provided to map out-of-gamut points to in-gamut points. Embodiments transform image data for presentation on a display or medium having a gamut different from that of the image data. Different mapping algorithms may be applied based in part on luminance of the points being mapped. Embodiments apply a reduced dataset representing a gamut boundary. Irregular gamuts may be accommodated02-28-2013
20120113131METHOD AND APPARATUS FOR GENERATING A SEQUENCE OF A PLURALITY OF IMAGES - A method of generating a sequence of a plurality of images to be displayed with ambient lighting, the method comprising the steps of: extracting 05-10-2012
20130162666Data Transmission Using Out-Of-Gamut Color Coordinates - Methods for transmitting additional information together with image data involve replacing pixel values to take in-gamut points to out-of-gamut points. The additional information may constitute metadata describing the image data and/or useful for controlling display and/or processing of the image data; watermark information; or other information. In some embodiments the image data is restored to its original form after extraction of the additional information.06-27-2013
20110007088Method of correcting preferred color and display device using the same - A method of correcting a preferred color is disclosed. The method includes converting an input image including multi-primary color data of three or more primary colors into an XYZ color space, converting the XYZ color space into data of an LCH color space, expanding a color gamut of the data in the LCH color space to detect a preferred color region of the color gamut expansion data, correcting data of the preferred color region using parameters independent of the input image, inversely converting the corrected data of the preferred color region of the color gamut expansion data into an XYZ color space, dividing the XYZ color space into multi-primary color data of four or more primary colors, and displaying the multi-primary color data on a display device.01-13-2011
20110292070IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - A virtual environment corresponding to the viewing environment of a printed material is generated. By referring to a color transition characteristic, the color values of the diffuse component and the glossy component of light reflected by a virtual printed material in the virtual environment are obtained. The color value of the diffuse component is mapped in the color gamut for a monitor for displaying the image of the printed material. The color value of the glossy component is mapped in the color gamut for the monitor. The color values of the diffuse and glossy components after the color gamut mapping are synthesized to generate the image of the printed material.12-01-2011
20110292069RGB Color Mixer - A computer based color mixer interface allowing users to manipulate Red, Green, and Blue channels individually or in combination to create a color. The interface manipulates colors in a way that allows users to better visualize and perceive changes in color relationship for creation of different colors. This enables the user to make better color choices.12-01-2011
20090153580IMAGE PROCESSING APPARATUS AND COMPUTER READABLE MEDIUM STORING PROGRAM - An image processing apparatus includes a characteristics acquisition unit that acquires some of color reproduction characteristics of additive color mixing applied in a display; and a transform method determination unit that determines a transform method from one color gamut of an input color space to another color gamut used by an output device, based on the color reproduction characteristics acquired by the characteristics acquisition unit.06-18-2009
20090147018IMAGE SENSING APPARATUS AND CONTROL METHOD THEREOF - An image sensing apparatus comprises a signal processor that performs processing corresponding to a plurality of color gamuts for image data, an image recording unit that records the processed image data, an image displaying unit that displays the processed image data, a first selector that selects a color gamut of image data to be recorded in the image recording unit from the plurality of color gamuts, and a second selector that selects a color gamut of image data to be displayed on the image displaying unit from the plurality of color gamuts, during recording of image data of the color gamut selected by the first selector in the image recording unit, image data of a plurality of color gamuts are displayed on the image displaying unit by switching selection by the second selector while maintaining a selection state by the first selector.06-11-2009
20100128055METHOD OF COLOR MAPPING FROM NON-CONVEX SOURCE GAMUT INTO NON-CONVEX TARGET GAMUT - Method of mapping source colors from a source color device having an actual source gamut that is represented by a source convex (gamut boundary descriptor) and a source non-convex into target colors for a target color device having an actual target gamut that is represented by a a target convex and a target non-convex, comprising,05-27-2010
20080266316Color processing apparatus and method thereof - In order to obtain an excellent color processing result by calculating an optimal white point in partial adaptation, first white point data which indicates white of a device is input, the first white point data is projected onto a predetermined curve, and white point data in the partial adaptation located on the predetermined curve is calculated using the projected first white point data and the second white point data located on the predetermined curve. Color processing of input color data is performed using the white point data in the partial adaptation, which is corrected in accordance with the positional relationship between the first white point data and projected first white point data, and the color reproduction characteristics of the device.10-30-2008
20080266314Nonlinearly extending a color gamut of an image - Color management for extending a received color gamut for display. The received color gamut is expanded by applying a gain to color components. The applied gain varies depending on the saturation of the color component. Highly saturated colors in the received color gamut may accordingly be modified to a larger extent than less saturated colors to increase the vividness of highly saturated colors to the edges of the display's color gamut, while less saturated colors, such as memory colors, receive less gain and therefore are maintained as the same or similar to their original color.10-30-2008
20100302271IMAGE-BASED SOURCE GAMUT ADJUSTMENT FOR COMPRESSION-TYPE GAMUT MAPPING ALGORITHM - Color management which converts source device colors into counterpart colors in a destination device color space. Device independent source and destination device gamut boundaries are obtained. A color image is generated in the source device color space. The color image is transformed into an image in a device independent color space. A gamut boundary for the device independent image is generated, based on the content of the device independent image. The source device gamut boundary is shrunk in a hue symmetric manner, such that color hues do not change, until it touches the image gamut boundary. Colors of the device independent image are mapped onto a gamut of the destination device by invoking a compression-type gamut mapping algorithm that uses the modified source device gamut boundary and the destination device gamut boundary to perform gamut mapping. The gamut mapped colors are converted into colors in destination device dependent color space.12-02-2010
20100079479DISPLAY DRIVE CIRCUIT - A display drive circuit of the invention has: an initial-color-gamut-apex-coordinate-storing unit capable of storing initial color gamut apex coordinates; a user-target-color-gamut-apex-coordinate-storing unit capable of storing user target color gamut apex coordinates; a saturation-expansion-coefficient-deciding unit for deciding expansion coefficients of saturation data based on the initial and user target color gamut apex coordinates; and an expansion unit for expanding saturations of display data based on the saturation expansion coefficients. The expansion coefficients of saturation data are decided based on the initial and user target color gamut apex coordinates, and saturations of display data are expanded according to the expansion coefficients. Thus, the degree of expanding the saturations can be controlled for each color gamut or each of R, G and B color properties of an LC display panel.04-01-2010
20100091032LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a liquid crystal display panel having a pixel defined by at least three sub-pixels including a blue sub-pixel, a backlight which emits, toward the liquid crystal display panel, light that brings a color temperature to a predetermined level when the pixel displays white, and a color tone correction circuit which corrects a color tone of a color displayed by the pixel. When the pixel displays a color containing at least one predetermined color component that is other than a white component and a blue component, the color tone correction circuit performs a correction to set a luminance of the blue sub-pixel lower than an original luminance.04-15-2010
20090278855MEMORY STRUCTURES FOR IMAGE PROCESSING - A display system comprises line buffer memory that stores input image data in a first color space, and a plurality of gamut mapping modules that accept the input image data from the line buffer memory and performs a gamut mapping operation to produce mapped image data specified in a second color space. The system also includes a subpixel rendering module that renders the image data specified in the second color space for display on a display panel substantially comprised of a particular subpixel repeating group. The system architecture utilizes a plurality of gamut mapping modules which in turn allows for a reduction in the size of line buffer memory needed for the subpixel rendering operation.11-12-2009
20090262129EXTENDING THE GAMUT COLOR GENERATION IN A DISPLAY - In a display system, a color gamut of the displayed images is extended by adding one or more primary colors lying outside a tristimulus color space triangle to a Red, Green, Blue (RGB) system, modulating light emitted by both light sources lying inside the tristimulus color space triangle and light sources lying outside the tristimulus color space triangle, and adding a non-tristimulus vertex to construct an extended-gamut polygon. The display system adds one or more primary colors to the RGB system, which lie outside the tristimulus color space triangle but within a CIE (International Commission on Illumination) color space.10-22-2009
20100265264METHOD, APPARATUS AND SYSTEM FOR PROVIDING COLOR GRADING FOR DISPLAYS - A method, apparatus and system for providing color grading or color correction for displays includes a plurality of virtual device models where each virtual device model has a virtual model specification (VMS) which controls a display feature. Each display includes a display specification including a display requirement or requirements. An apparatus of the present invention is configured to compare the display feature of at least one VMS against the display requirement of the display specification to determine a best match therebetween to select a virtual device model to control a display picture. Color correction is further provided in post production using the VMS to provide consistency across multiple display types.10-21-2010
20130120431IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND PROGRAM PRODUCT - A transformation rule of color transformation in an appropriate color space is set even without advanced knowledge and know-how. A three-dimensional lookup table unit transforms color information on an input image signal on the basis of a transformation rule. A correction range calculation unit calculates a correction range in a predetermined color space on the basis of a positional relationship between source coordinates and destination coordinates in the color space. A lattice point transfer distance calculation unit calculates the transformation destination coordinates at respective points on the basis of the positional relationship between the source coordinates and the destination coordinates, and a positional relationship between coordinates at the respective points within the correction range and the source coordinates to reflect the calculated transformation destination coordinates on the transformation rule.05-16-2013
20090141041Mapping method along anchored mapping trajectories with improved uniformity - In the different mapping planes, described by plane coordinates, of the color space in which colors to map are represented, a uniformity testing curve can be found that intersects all mapping trajectories of this mapping plane and, at any intersection of a mapping trajectory with said uniformity testing curve, the gradients calculated in said plane coordinates of the intersecting mapping lines and the first derivation along this uniformity testing of these gradients are continuous.06-04-2009
20090184975CACHING FOR COLOR MANAGEMENT SYSTEMS PERFORMING A GAMUT MAPPING FUNCTION - What is provided herein is a novel system and method which improves efficiency of a color management system performing a gamut mapping function. In one embodiment, a plurality of source colors are examined to determine whether any have changed. If not, then the source profile, the source device model, and the color appearance model have not changed. Next, the primary colors of the destination device are examined to determine whether any of these have changes. If these have not changed, then the destination device profile and the destination device model have not changed. When the source profile, device profile, color appearance model and the device models have not changed, gamut mapping does not have to be performed. The cached gamut mapping data are used instead. The gamut mapping data are used in subsequent mappings between these same two devices. The cached gamut mapping data are used to customize a color response of the destination device.07-23-2009
20090141040APPARATUS AND METHOD FOR CONVERTING COLOR OF AN IMAGE - An apparatus for converting a color of an image includes an object region determination unit to determine a 3D object display region in an input image, a color gamut determination unit to determine whether a color of a pixel that constitutes the 3D object display region is included in a predetermined color gamut, a user preference information receiver to receive user preference information corresponding to the input image, and a color converter to convert the color of a pixel to an output color based on the user preference information.06-04-2009
20110141132GAMUT MAPPING AND SUBPIXEL RENDERING SYSTEMS AND METHODS - In a first embodiment, a display system comprises a display panel with 4 or more colored subpixels. The display system receives input image data specified in a first color space and outputs image data specified in a second color space. The display system further comprises a gamut mapping module for mapping the input image data specified in the first color space to image data specified in the second color space. The gamut mapping module clamps out-of-gamut colors using at least a first clamping system and a second clamping system. The first and second clamping systems yield first and second clamped values. A weighting module produces a resulting clamped value from the first and second clamped values. A final output image value is derived from the resulting clamped value. Other embodiments of the display system include pre-reduction modules and adjustable GMA modules.06-16-2011
20130215136LIQUID CRYSTAL DISPLAY WITH LARGE COLOR GAMUT - The present disclosure relates generally to a liquid crystal display (LCD) that has a large color gamut. In certain embodiments, the large color gamut in the LCD may be obtained by adding a spectrum-filter into different layers of the LCD. The spectrum-filter may be designed to filter a portion of a color band from a light emitted from one or more light emitting diodes (LEDs) in the LED thereby increasing the color gamut on the LCD.08-22-2013
20090096805CORRECTION ARITHMETIC CIRCUIT - A plurality of one-port split lookup tables having alternately stored therein correction data corresponding to input data is provided as a lookup table that has stored therein the correction data corresponding to the input data at predetermined intervals relevant to predetermined higher-order bits. An address generating unit generates addresses for a plurality of the corresponding split lookup tables from the input data. An interpolation arithmetic unit executes interpolation arithmetic with the use of lower-order bits of the input data for readout data read from two lookup tables.04-16-2009
20120139937Color management for multiple display presentation of visual media - Methods and data processing systems are disclosed for color management in a multiple display system. In one embodiment, a computer-implemented method includes color managing media based on a color gamut of a first display. Then, the method mirrors the media in a mirrored mode onto the first display and a second display. Then, the method processes the media for the second display through a gamma information for the second display. The gamma information is for a non-mirrored mode for the second display. The first and second displays may have different color gamuts. These color gamuts can be used for generating or modifying the gamma information for the second display. The gamma information may provide a color management for the second display that is based on the second display and is independent of the first display.06-07-2012
20090122073GAMUT MAPPING AND SUBPIXEL RENDERING SYSTEMS AND METHODS - In a first embodiment, a display system comprises a display panel with 4 or more colored subpixels. The display system receives input image data specified in a first color space and outputs image data specified in a second color space. The display system further comprises a gamut mapping module for mapping the input image data specified in the first color space to image data specified in the second color space. The gamut mapping module clamps out-of-gamut colors using at least a first clamping system and a second clamping system. The first and second clamping systems yield first and second clamped values. A weighting module produces a resulting clamped value from the first and second clamped values. A final output image value is derived from the resulting clamped value. Other embodiments of the display system include pre-reduction modules and adjustable GMA modules.05-14-2009
20090256856Method and System for Emulating a Display - In accordance with one embodiment, a method for emulating the color performance of a display system includes determining an expected first color gamut of the display system. Display data is converted into a format that emulates the first color gamut. The converted display data is displayed by a different display system having an expected second color gamut different than the expected first color gamut.10-15-2009
20120194539IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - Provided is an image processing device. A first color space converting unit converts image data in an RGB colorimetric system, which has a color gamut wider than a color gamut of a liquid crystal panel into image data in an XYZ colorimetric system. A three-dimensional nonlinear color gamut converting unit performs conversion on tristimulus values of the XYZ signal. At this time, the image data is classified into four colors and converted respectively such that the first color is displayed in a color accurate to the inputted data, the second color is displayed such that saturation of the second color is increased, the third color is displayed using a color gamut of a predetermined range out of the color gamut of the liquid crystal panel, and the fourth color is displayed in a color corresponding to a boundary of the color gamut of the liquid crystal panel.08-02-2012
20090273607DISPLAY - A display device has a pixel that is defined by a plurality of sub-pixels. The sub-pixels include a red sub-pixel representing red, a green sub-pixel representing green, a blue sub-pixel representing blue and a yellow sub-pixel representing yellow. When the pixel represents white, the luminance of the red sub-pixel is lower than its luminance corresponding to the highest gray scale level. In one embodiment, when the pixel represents white, the luminance of the red sub-pixel is preferably in the range of 25% to 96% of its luminance corresponding to the highest gray scale level. Also, the color temperature of white represented by the pixel is preferably higher than 4200 K, more preferably higher than 5000 K.11-05-2009
20100164976IMAGE PROCESSING APPARATUS AND METHOD - An image processing apparatus and method for providing image information about an area of interest are provided. The apparatus and method may perform image processing, including setting at least one area of interest of an input image, analyzing a dynamic range (DR) of the at least one area of interest, and adaptively processing the DR based on a DR of a display device and the analyzed DR of the at least one area of interest, to form a processed image.07-01-2010
20100182335Methods and apparatus for calibrating a color display - Improved methods are provided for calibrating color on a color display coupled to a computer, which are useful for obtaining calibrated data in a virtual proof network for enabling different color devices to render consistent color. Methods involve user interactions with screens on the display to set color display parameters. An apparatus is also provided for calibrating a sensor which may be used for measuring color of a display in one or more of these methods.07-22-2010
20100259551WHITE BALANCE CORRECTION METHOD - A method for correcting the white balance of a display by: setting a target color coordinates of a target white point at a predetermined color temperature and a group of gray levels in response to an user input command; constructing R, G, B images according to the group gray levels; measuring the luminance and corresponding color coordinates of the R, G, B based on the R, G, B images; selecting one color of R, G, B to be a base color and the other two colors to be adjustable colors; fixing the measured luminance of the base color; estimating target luminance of the two adjustable color based on the measured luminance of the base color; estimating the adjusted gray levels of the two adjustable colors based on estimated luminance of the adjustable colors and the Gamma table; and reconstructing the Gamma table based on the estimated adjusted gray levels of the two adjustable colors.10-14-2010
20100002010COLOR CORRECTION METHOD AND COLOR CORRECTING INTEGRATED CHIP - A color correction method is provided. Grey values of three primary colors of an image data are transformed into initial characteristic values in a color space. Three sets of characteristic values of a to-be-corrected apparatus when the apparatus displays the primary colors respectively are measured. The characteristic values of the image data are transformed into a set of adjusted brightness values of the primary colors according to the characteristic values and a color space transformation equation. Gamma curves of the apparatus when displaying the primary colors are measured and modified to generate new grey-value vs. brightness relationships for the primary colors, so as to obtain adjusted grey values of the primary colors corresponding to the adjusted brightness values.01-07-2010
20120242680Luminance Correcting System and Luminance Correcting Method For Organic Light Emitting Display - A luminance correcting system for an organic light emitting display includes an image analyzing unit for analyzing an image on a display unit and for measuring luminance and color coordinates of reference gray level data, a reference offset value setting unit for setting reference offset values of respective color data in the reference gray level data to correspond to an image analysis result obtained by the image analyzing unit, a controller for detecting a difference in reference offset values of at least two color data among the respective color data in the reference gray level data and for comparing the difference with a reference value, and an additional offset value setting unit for setting an additional offset value corresponding to at least one gray level among gray level data excluding the reference gray level data when the difference in the reference offset values is not less than the reference value.09-27-2012
20110128297System and Method for Maintaining Hue Constancy - System and method for maintaining perceived hue constancy. A method for displaying an image includes receiving a color vector and associated image data, remapping the color vector to maintain a perceived hue constancy by adjusting a hue component of the color vector in response to a change in a lightness component or a chroma component of the color vector, providing the remapped color vector to a light source for display, and displaying image data associated with the color vector. The use of the constant hue curve ensures that the adjusting of the color vector maintains the perceived hue of the color vector, thereby helping to maintain image quality.06-02-2011
20110115811SYSTEM AND METHOD FOR EXPANDING COLOR GAMUT - A system for expanding color gamut includes: a signal input unit configured to input color information of pixels; a forward transform unit configured to transform the color information of pixels to L, a and b values in a linear Lab color space; a color gamut expansion unit configured to receive a color gamut expansion coefficient, expands L, a and b values provided by the forward transform unit to new L, a and b values in the linear Lab color space according to the color gamut expansion coefficients; a reverse transform unit configured to transform the expanded L, a and b values to color information of pixels in a large color gamut; and a signal output unit configured to output the color information of pixels in the large color gamut. A corresponding method for expanding color gamut is provided.05-19-2011
20110115810GAMING DEVICE HAVING A COLOR REDUCTION FILTER AND RELATED METHODS - Various embodiments are directed to gaming devices utilizing a color reduction filter. In one embodiment, the color reduction filter reduces the number of unique colors in a digital image presented on a gaming device from N to M where N>M. The color reduction filter maintains the color palette and clarity of the image with fewer colors while enhancing the effectiveness of file compression. As a result, the processing unit of the gaming device has more time to run various applications and has more available memory for computational processes.05-19-2011
20090033677COMPUTER-IMPLEMENTED GAMUT MAPPING - In gamut mapping, as the brightness of the original color (S) increases further and further beyond the source gamut (02-05-2009
20090322780RECORDING DEVICE AND RECORDING CONTROL METHOD, REPRODUCTION DEVICE AND REPRODUCTION CONTROL METHOD, OUTPUT DEVICE AND OUTPUT CONTROL METHOD, AND PROGRAMS - A recording device includes a color gamut conversion control unit, a color gamut conversion unit, and a recording unit. The color gamut conversion control unit controls a method of converting the color gamut of content data, on the basis of a user-specified condition specified by a user. The color gamut conversion unit converts the color gamut of the content data in accordance with the control of the color gamut conversion control unit. The recording unit records, on a recording medium, the content data, the color gamut of which has been converted by the color gamut conversion unit in accordance with the control of the color gamut conversion control unit, or the content data, the color gamut of which has not been converted by the color gamut conversion unit in accordance with the control of the color gamut conversion control unit.12-31-2009
20090219297BOOTING METHOD OF COMPUTER SYSTEM AND BOOT LOGO PROCESSING METHOD THEREOF - A boot logo processing method includes the following steps. Palette data and a boot graphic including plurality colors are provided, and the colors include corresponding color values respectively in color gamut of the boot graphic. A boot graphic is provided, and it may be composed of plurality colors. When the number of the colors composing the boot graphic is greater than a default value of the number of the colors provided by the palette data, color value of every color is operated with color values of other colors to obtain plurality operating values. Thereby, in the processing method of the invention, part of the colors in the color gamut of the boot graphic are merged into a single color according to the operating values to decrease the number of the colors composing the boot graphic, and produce the boot logo at least according to the latest boot graphic.09-03-2009
20110084981SIGNAL PROCESSING APPARATUS AND PROJECTION DISPLAY APPARATUS - A signal processing apparatus (04-14-2011
20100026704MEMORY STRUCTURES FOR IMAGE PROCESSING - A display system comprises line buffer memory that stores input image data in a first color space, and a plurality of gamut mapping modules that accept the input image data from the line buffer memory and performs a gamut mapping operation to produce mapped image data specified in a second color space. The system also includes a subpixel rendering module that renders the image data specified in the second color space for display on a display panel substantially comprised of a particular subpixel repeating group. The system architecture utilizes a plurality of gamut mapping modules which in turn allows for a reduction in the size of line buffer memory needed for the subpixel rendering operation.02-04-2010
20100134515HIGH BRIGHTNESS WIDE GAMUT DISPLAY - A device to produce a color image, the device including a color filtering arrangement to produce at least four colors, each color produced by a filter on a color filtering mechanism having a relative segment size, wherein the relative segment sizes of at least two of the primary colors differ.06-03-2010
20110249018Methods and Apparatus for Color Grading with Gamut Match Preview - A method for color grading within a component color space associated with a display includes receiving a source image comprising a plurality of pixels, wherein each pixel is associated with a color comprising a plurality of color component values in the component color space, wherein the component color space comprises RGB, and wherein a pixel is associated with a color inside a gamut of the display but outside a gamut of a target media, receiving a color grading signal from a user, modifying the color associated with the pixel from the plurality of pixels in response to the color grading signal, to form a graded image comprising the pixel, wherein the pixel is associated with a graded color comprising a plurality of color component values, displaying the graded image on the display to the user, automatically performing a gamut remapping of the graded color associated with the pixel, to form a gamut remapped image comprising the pixel, wherein the pixel is associated with a gamut remapped color comprising a plurality of color component values, wherein at least one color component value of the graded color is substantially similar to one color component value of the gamut remapped color, and displaying the gamut remapped image on the display to the user, wherein the gamut remapped image comprises a plurality of pixels, wherein each pixel from the plurality of pixels is associated with a color within a gamut of the target media.10-13-2011
20110148907Method and system for image display with uniformity compensation - A method and system are provided for image display with color transformations that also compensate for non-uniformities in different regions of a display. The method involves performing color measurements at different locations or zones of a display, and deriving respective compensation factors based on these measurements and corresponding target color values, such as those associated with a reference display. These zone- or location-specific compensation factors can be used to derive appropriate compensation factors for arbitrary pixels in an image, which are then used for color transformation of the pixels for display.06-23-2011
20120032971Electronic Color and Luminance Modification - Systems and methods for transforming and displaying a video signal on a display are provided with any number of features. In some embodiments, system is configured to receive a first set of input signals in a controller. The system can determine in the controller a first set of luminances and colors that would be produced on a first display with the first set of input signals. The system can then determine in the controller a second set of luminances that would produce the first set of colors on a second display. The system can then generate in the controller a second set of input signals that would produce the second set of luminances on the second display, and can output the second set of input signals to the second display.02-09-2012
20080266315METHOD AND APPARATUS FOR DISPLAYING IMAGES HAVING WIDE COLOR GAMUT - A method of and apparatus for displaying an image having a wide color gamut are provided. The method includes: receiving a first image of a first color gamut; generating an intermediate image by reducing pixel values of the first image; converting the intermediate image into a second image of a second color gamut; displaying the second image on a display apparatus; and adjusting a brightness of the display apparatus.10-30-2008
20110074808Full Color Gamut Display Using Multicolor Pixel Elements - A display device is provided that includes a plurality of pixels, where each pixel includes a single subpixel. In a first aspect, a single subpixel is able to sequentially generate a plurality of (e.g., at least three) primary colors. As a result of the single subpixel, the display is able to supply a gamut of colors including at least 3 primaries colors. For example, the sequential generation of the 3 primary colors may involve operating the subpixel in a time division multiplex (TDM) mode, and a primary combination color is supplied in response to the subpixel generating 2 primary colors in respective TDM subframes. When the pixel includes at least two neighboring subpixels, the pixel may additionally be operated in a spatial division multiple (SDM) mode or in the TDM mode.03-31-2011
20100214310IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, RECORDING MEDIUM, AND INTEGRATED CIRCUIT - An image processing apparatus transforms a color signal of a first color space defined by a predetermined standard into a color signal of a second color space which is defined according to display characteristics of a display device and has a color gamut wider than a color gamut of the first color space, and outputs the transformed color signal. More specifically, the image processing apparatus includes: a first correction unit configured to, for each of color values making up the color signal of the first color space, correct a color value exceeding a first upper limit to the first upper limit and correct a color value falling below a first lower limit to the first lower limit, the first upper limit and the first lower limit being necessary for expressing the color gamut of the second color space; a color space transformation unit configured to transform the color signal of the first color space corrected by said first correction unit, into the color signal of the second color space; and a second correction unit configured to, for each of color values making up the color signal of the second color space generated by said color space transformation unit, (i) correct a color value exceeding a second upper limit to the second upper limit and correct a color value falling below a second lower limit to the second lower limit, and (ii) output the corrected values, the second upper limit and the second lower limit being values which can be displayed by the display device.08-26-2010
20100214311MULTI-PRIMARY DISPLAY WITH SPECTRALLY ADAPTED BACK-ILLUMINATION - Some embodiments of the invention provide a device, system and method for displaying a color image. According to some exemplary embodiments of the invention a device for displaying a color image may include an illumination source including a plurality of light-producing elements able to produce light of each of m different wavelength spectra, wherein m is equal to or greater than three. The device may also include an array of attenuating elements able to spatially selectively attenuate the light produced by the illumination source according to an attenuation pattern corresponding to a gray-level representation of the color image, and an array of color sub-pixel filter elements able to receive selectively attenuated light from the array of attenuating elements, each sub-pixel filter element able to transmit light of one of n different primary colors, wherein n is equal to or greater than four.08-26-2010
20090322779DISPLAY DEVICE, METHOD FOR GENERATING FOUR OR MORE PRIMARY COLOR SIGNALS, AND PROGRAM CAUSING COMPUTER TO EXECUTE PROCESSING FOR GENERATING FOUR OR MORE PRIMARY COLOR SIGNALS - A display device is designed to conduct a display operation using a number n of primary colors (where n is a natural number that is equal to or greater than four). The display device includes a video signal converting section that receives an m-primary-color signal representing a number m of primary colors (where is m is also a natural number that is smaller than n) and that converts the m-primary-color signal into an n-primary-color signal representing the n primary colors. The n primary colors include a color that is complementary to a particular one of the m primary colors. The video signal converting section generates the n-primary-color signal such that if a color component representing the particular primary color of the m-primary-color signal has a negative level, the complementary primary color has an increased luminance and the other non-complementary primary colors have decreased luminances compared to a situation where the color component representing the particular primary color is zero.12-31-2009
20100194773Skin color cognizant GMA with luminance equalization - A method for mapping/enhancing the color of an image to be displayed on a display includes receiving an image having a plurality of pixels where each of the pixels has a plurality of color components. The image is processed using a pair of gamut color mapping operations in combination with skin-tone pixels detection to modify the image in a suitable manner for presentation on the display, wherein the technique includes color temperature compensation.08-05-2010
20110148908METHOD OF PROCESSING DATA AND DISPLAY APPARATUS FOR PERFORMING THE METHOD - In a method of processing data of a display apparatus, red, green and blue data are gamut mapped as red, green, blue and white data. The red, green, blue and white data are reconstructed by means of subpixel rendering to generate metameric sets dot pixels composed for example of one such dot pixel having red and green color components and another such dot pixel having blue and white color components such that when the metameric set dot pixels is lit up it produces a white colored region on the display apparatus and when un-lit it appears as contrastingly dark colored region on the display apparatus. By selectively forcing one metameric set of dot pixels to be un-lit, the method allows an immediately adjacent metameric set of dot pixels to be lit-up as a contrasting white region on the display apparatus.06-23-2011
20100026705SYSTEMS AND METHODS FOR REDUCING DESATURATION OF IMAGES RENDERED ON HIGH BRIGHTNESS DISPLAYS - In one embodiment of the display system, the display system comprises an image pipeline that accepts input color image data of one color gamut to be rendered on a display having high brightness subpixel layouts. In one embodiment, the system comprises a boost function that maps the input color data onto another color gamut that boosts the luminance of colors that might appear dark if rendered against a white or very light background.02-04-2010
20090174725APPARATUS AND METHOD FOR PROVIDING ENHANCED VISIBILITY IN MOBILE TERMINAL - A screen display apparatus and method of measuring an ambient brightness by adjusting color quality of an output screen in a mobile terminal according to the ambient brightness, so that the visibility of the screen can be ensured in various environments. The includes measuring an ambient brightness of the mobile terminal, and generating a visibility adjustment event when a measured ambient brightness value is equal to or greater than a preset specific external brightness value. The received RGB signal is converted into first tristimulus values, then to L, a, b color space valueslightness (L), chroma (C), and hue (H) values using a predetermined equation. The brightness of an entire region of the image is adjusted and output on the display screen of the mobile terminal, and the chroma of each pixel region is adjusted by using the L, C, and H values.07-09-2009
20110304641AUTOMATED CONTRAST VERIFICATIONS - A developer tool is used to programmatically calculate the contrast between the text and background in a user interface. A luminosity ratio is automatically calculated by the tool by capturing an image of a user interface, archiving user interface elements that do not contain text, performing optical character recognition on the remaining user interface elements to find pixels on the text part of the user interface element and pixels on the background part of the user interface element, and finally calculating the luminosity ratio. Results including errors, warnings and luminosity ratio for one or more hotspots in the image can be returned. Results can be used to identify user interface elements that comply or fail to comply with visibility guidelines for contrast between user interface text and background.12-15-2011
20090135197HIGH BRIGHTNESS WIDE GAMUT DISPLAY - A device to produce a color image, the device including a color filtering arrangement to produce a plurality of primary colors, each primary color having a spectral range, wherein the spectral ranges of at least two of the primary colors overlap significantly.05-28-2009
20120038660DISPLAY APPARATUS AND IMAGE CORRECTION METHOD OF THE SAME - A display apparatus and an image correction method of the same are disclosed. The display apparatus includes a plurality of display panels; a sensing unit which senses a display characteristic of an image displayed on the display panels; and an image correction unit which generates non-uniformity correction data corresponding to a plurality of areas included in each of the display panels based on the display characteristic, interpolates non-uniformity correction data corresponding to a boundary area being in contact with a different display panel using non-uniformity correction data corresponding to a neighbor area adjacent to the boundary area, and corrects the image displayed on the display panels based on the generated and interpolated non-uniformity correction data.02-16-2012
20120062586PROJECTOR AND COLOR IMPROVEMENT METHOD OF THE PROJECTOR - A method improves color of projected images using a projector. The method calculates a first improvement factor, a second improvement factor and a third improvement factor, divides an original image into a red picture, a green picture and a blue picture. The method multiplies a pixel value of each pixel point of the red picture by the first improvement factor to obtain an improved red picture, multiplies a pixel value of each pixel point of the green picture by the second improvement factor to obtain an improved green picture, and multiplies a pixel value of each pixel point of the red picture by the third improvement factor to obtain an improved blue picture. The method combines the improved red, green and blue pictures to generate a combined image, and projects the combined image on a projection area to obtain the projected image having similar color to the original image.03-15-2012
20120013635Accurate Color Display Device - A color accurate display device is configured to receive an encoded first color space having a first gamut from a set of encoded primaries {R, G, B} and a first white point. The device includes a display panel having an active area configured for an encoded second color space having a second white point and a set of native primaries each with a characterized tone response with respect to the second color space and a measured tone response from the display panel, the primaries having a second gamut larger than and including the first gamut. Also included is a color space conversion circuit configured to convert the set of encoded primaries {R, G, B} and first white point of the first color space to the set of native primaries and second white point compensating for each characterized tone response of the second color space.01-19-2012
20090141039System and Method for Gamut Mapping of Out-of-Gamut Signals - A system and method for gamut mapping out-of-gamut signals. A method includes adjusting each color in a color signal, determining a maximum color value of the color signal, in response to a determining that the maximum color value exceeds a maximum displayable color value, scaling color values of colors not having the maximum color value, and setting the color value of the color having the maximum color value to be equal to the maximum displayable color value. The method further includes leaving the color values of the colors in the color signal unchanged in response to a determining that the maximum color value does not exceed the maximum displayable color value. The scaling of color values not equal to the maximum color value results in a maintaining of a proper hue of the color signal, thereby not introducing color artifacts and other forms of color noise.06-04-2009
20120154424SYSTEMS, METHODS, AND ARTICLES OF MANUFACTURE FOR VIRTUAL DISPLAY - Systems, methods, and articles of manufacture to virtually segment a display are disclosed. A disclosed example system includes a display abstraction component configured to interface, at a kernel level, between an operating system and a graphics processor, the display abstraction component to receive, adapt, and process display calls from the operating system and instruct the graphics processor to divide the display into multiple virtual displays according to a user specified virtual configuration preference to allow the display to replicate a multiple display configuration.06-21-2012
20120154423LUMINANCE-BASED DITHERING TECHNIQUE - Systems and methods are disclosed to enable the creation and the display of dithered images. Embodiments include techniques that use the relationship between the luminance and the color of a source image as a dithering heuristic. In one embodiment, the luminance and the color of a source image is determined. Each color of the source image is approximated to the nearest hardware color level. The hardware color level is then varied to more closely approximate the luminance of the source image. Any color errors introduced by approximating the luminance of the source image are then diffused to adjacent pixels.06-21-2012
20100289812DEVICE, SYSTEM, AND METHOD FOR WIDE GAMUT COLOR SPACE SUPPORT - Methods, chips, systems, computer program products and data structures are described for conducting modification of color video signals from a first color format associated with an originating format to a second format compatible with a display media of a display device.11-18-2010
20100245380METHODS AND SYSTEM FOR COLOR CORRECTING DISPLAYS WITH DIFFERENT COLOR GAMUTS - There are provided methods and systems for color correcting displays with different color gamuts. A method includes performing color correction on source picture content, using at least one of a non-reference type display having a non-reference color gamut and a reference type display having a reference color gamut. The performing step includes mastering the source picture content to provide mastered color corrected picture content for display on the non-reference type displays having a non-reference color gamut. The performing step further includes generating metadata for a color gamut mapping that color transforms the mastered color corrected picture content for display on reference type displays having a reference color gamut. The source picture content is mastered only for the non-reference type displays having the non-reference color gamut.09-30-2010
20120127193User Interface Pipe Scalers with Active Regions - A display pipe may include fetch circuitry and a scaler unit, and registers programmable with information that defines active regions of an image frame. Pixels within the active regions are active pixels to be displayed, pixels outside of the active regions are inactive pixels not to be displayed. The fetch circuitry may retrieve frames from memory, retrieving the active pixels and not retrieving the inactive pixels as defined by the programmed contents of the registers. A scaler unit may produce scaled pixels from the fetched pixels, basing each scaled pixel on a respective corresponding set of pixels. When a given pixel of the respective corresponding set of pixels is an inactive pixel, the scaler unit may assign an estimated value to the given pixel based on one or more active pixels in the respective corresponding set of pixels. The scaler unit may provide the scaled pixels to a blend unit for blending with other pixels.05-24-2012
20120127194Digital Display Devices And Digital Projectors With Expanded Color Gamut - The color gamut of display devices like digital projectors and digital displays is expanded by incorporating additional passband filters into the optical path of the devices to produce presentations of color components in two different color gamuts. The composite visual effect of the two presentations is a presentation in an expanded color gamut. Special considerations in the modulation of color components of the image can reduce variations in color and brightness, which can otherwise manifest themselves as flicker.05-24-2012
20090058876DYNAMIC COLOR GAMUT OF LED BACKLIGHT - A backlight unit usable in an LCD for dynamically expanding color gamut of the LCD. In one embodiment, the backlight unit has a plurality of light emitting elements, and a control unit electrically coupled with the plurality of light emitting elements for controlling intensity of light emitting from each of the plurality of light emitting elements in response to a frame of image data applied to the plurality of pixels, wherein the control unit is configured such that when the frame of image data applied to the plurality of pixels is in a red color, a green color, or a blue color, the intensity of light from the red color, the green color, or the blue color emitting from each of the plurality of light emitting elements is adjusted to its corresponding maximal value so as to expand the red, the green, or the blue area of the color gamut of the LCD panel accordingly.03-05-2009
20120176400DISPLAY SYSTEM - A display drive circuit of the invention has: an initial-color-gamut-apex-coordinate-storing unit capable of storing initial color gamut apex coordinates; a user-target-color-gamut-apex-coordinate-storing unit capable of storing user target color gamut apex coordinates; a saturation-expansion-coefficient-deciding unit for deciding expansion coefficients of saturation data based on the initial and user target color gamut apex coordinates; and an expansion unit for expanding saturations of display data based on the saturation expansion coefficients. The expansion coefficients of saturation data are decided based on the initial and user target color gamut apex coordinates, and saturations of display data are expanded according to the expansion coefficients. Thus, the degree of expanding the saturations can be controlled for each color gamut or each of R, G and B color properties of an LC display panel.07-12-2012
20100283793SYSTEM AVAILABLE CACHE COLOR MAP - A method involving receiving an indication of a requirement to allocate at least one page for a process, where pages are associated with cache colors; generating a selection bitmap by performing a logical operation of a system available colors bitmap and a process bitmap, where the system available colors bitmap and the process bitmap each include one bit corresponding to each cache color, where each bit of the system available colors bitmap indicates whether a number of pages associated with a corresponding cache color that are available to be allocated is above a minimum threshold, and where each bit of the process bitmap indicates whether any pages associated with the corresponding cache color have been recently allocated for the process. The method also includes selecting, using the selection bitmap, a cache color; and allocating a page for the process, wherein the allocated page is associated with the selected cache color.11-11-2010
20130201202MEDIA EDITING WITH OVERLAID COLOR ADJUSTMENT TOOLS - A non-transitory machine readable medium that has a computer program for adjusting color values of an image represented in a color space is described. The computer program displays the image on a display device. The computer program receives several inputs on the displayed image. The several inputs include a selection of a point on the displayed image and a vector input. The computer program identifies a pixel of the image that corresponds to the selected point. Based on the color values of the identified pixel and the vector input, the program determines a color space transform for mapping a set of color values defined within the color space to a different set of color values.08-08-2013
20120256943Image Range Expansion Control Methods and Apparatus - Image data is adjusted for display on a target display. Maximum safe expansions for one or more attributes of the image data are compared to maximum available expansions for the attributes. An amount of expansion is selected that does not exceed either of the maximum safe expansion and the maximum available expansion. Artifacts caused by over expansion may be reduced or avoided.10-11-2012
20120229495Interpolation of Color Gamut For Display on Target Display - Output image data for display on a target display having a target gamut is generated from first and second input image data. The first and second input image data may be color timed for display on different types of display. Chromaticity values in the output image data may be generated by interpolation using an interpolation parameter derived from the target gamut and gamuts associated with the first and second image data.09-13-2012
20100328340IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND IMAGE PROCESSING PROGRAM STORAGE MEDIUM - An image processing device including an input section, an image storage section, a storage area reserving section, a controller, and an output section is provided. The storage area reserving section reserves, when description data input via the input section indicates that a partial image including a transmission image is to be stored, a partial image area and an entire image area at the image storage section. The color space converter performs conversion using a first output color space conversion function that converts a description color space of the description data into an output color space that includes an entire image plane and a partial image plane. The controller converts the color-space converted partial image into an output image format and writes it in the partial image area, and converts the color-space converted entire image into an output image format and writes it in the entire image area.12-30-2010
20120287146METHOD FOR SELECTING BACKLIGHT COLOR VALUES - A method of facilitating the display of an image. The method includes, in a display system comprising a display panel having pixels and a backlight having individually addressable colored light emitters configured to provide light to the pixels of the display panel, receiving image data corresponding to an image for display upon the display panel, the pixels each having a color to be displayed, so as to collectively display the image. The method also includes, for each pixel, evaluating whether the corresponding color to be displayed is out-of-gamut to the each pixel, so as to form a set of out-of-gamut pixels. A set of virtual primaries is determined so as to define intensities of light emitted by the colored light emitters of the backlight during display of the image, the virtual primaries determined according to the colors of the set of out-of-gamut pixels.11-15-2012
20110157213APPARATUS AND METHOD FOR PROCESSING IMAGE, AND APPARATUS FOR DISPLAYING IMAGE - According to one embodiment, a first extraction unit extracts a first group of pixels having a specific hue from an input image. A second extraction unit extracts a second group of pixels having large distance from a reference axis on a plane defined by a chroma axis and a luminance axis from the first group. A first transform unit executes a plurality of color-transform processing to the second group and obtains a plurality of third groups of pixels as the second group transformed by each color-transform processing. A reliability calculation unit calculates a reliability of each third group. The reliability is larger when pixels of the third group are more located in shape of a straight line on the plane. A selection unit selects a color-transform processing by which the third group has the largest reliability from the plurality of color-transform processing. A second transform unit executes the color-transform processing to the input image to obtain an output image.06-30-2011
20110157212Techniques for adapting a color gamut - Techniques are described that can be used to provide color space conversion for images and video to a display color gamut space. Some techniques provide for accessing an sRGB gamut color table, determining a color conversion matrix based on the sRGB gamut color table and chromaticity values of RGBW primary and gamma stored in the display or associated with the display, applying color space conversion to the pixels for pixels using the color conversion matrix, and applying linear correction of pixels by applying a normalization factor to the color conversion matrix. In addition, some techniques provide analysis of content gamut with respect to display gamut in HSV space, adjustment in HSV space, and conversion back to RGB space before applying color space conversion.06-30-2011
20100039443Information processing device and method, and program - An information processing device includes: a color gamut information generating unit configured to generate color gamut information representing the color gamut of image data based on table information indicating the highest chroma point at each equal hue plane regarding a plurality of equal hue planes.02-18-2010
20130176326IMAGE PERCEPTUAL ATTRIBUTE ADJUSTMENT - Techniques are described generally related to perceptual attribute adjustment. In some examples, the perceptual attribute adjustment may be performed by a color correction unit as part of the functionality of the color correction unit to correct deficiencies in the ability of a display to display particular colors. In this manner, the techniques may allow for current display processors to implement the described techniques without needing hardware modification.07-11-2013
20130176327METHOD OF RENDERING A COLOUR IMAGE WITH SPATIAL GAMUT MAPPING - A method of rendering a colour image from an object-based source file, including spatial gamut mapping to a target colour space, includes the steps of: rendering an image that includes a plurality of source file objects without gamut mapping, in a colour space having a gamut large enough to avoid a loss of colour information, and subjecting the rendered image to spatial gamut mapping to the target colour space.07-11-2013
20100309219DISPLAY CALIBRATION METHODS WITH USER SETTINGS FEEBACK - Reference image data from a reference display is utilized to manually and/or automatically calibrate a display. The reference image data is compared to measured image data from the display to derive display control settings and feedback for users and/or to automatically adjust the display. In one instance, a graphical user interface is used to relay feedback information as a user manually adjusts a display. The feedback can include suggestions for adjusting existing controls (e.g., brightness, contrast, etc.) so that a user does not have to directly interpret gamut and/or gamma information. In other instances, the feedback information is utilized to automatically adjust the display without user involvement.12-09-2010
20100309218METHOD FOR COLOR CALIBRATION AND DEVICE USING THE SAME - A method for color calibration is provided. The method includes the steps of: providing an input color; obtaining luminance of the input color; determining a grey level of the input color according to luminance of the input color; determining a first calibration matrix and a second calibration matrix according to the grey level of the input color; generating a third calibration matrix according to the first calibration matrix, the second calibration matrix and the grey level of the input color; generating an output color according to the third calibration matrix and the input color.12-09-2010
20100309217Reformatting Content With Proper Color-Region Conversion - Some embodiments of the invention provide several novel methods for distributing image content (e.g., picture content, video content, etc.). In some embodiments, the method tags the content with data that specifies an initial target color-region for the content. Some embodiments tag the data when the content is being created, while other embodiments tag the data when the content is being edited. The method uses the tag data to reformat the content for one or more different targets for the content. For instance, during the reformatting, some embodiments use the tags to perform proper color region conversion on the content. In some embodiments, this conversion converts the colors of each pixel in the content from the initial target color region to a subsequent target color region.12-09-2010
20120281010SYSTEM AND METHOD FOR GENERATING RGB PRIMARY FOR WIDE GAMUT, AND COLOR ENCODING SYSTEM USING RGB PRIMARY - A red, green, and blue (RGB) primary generation system and method for a wide color gamut, and a color encoding system using the RGB primaries. The RGB primary generation system may achieve a wide color gamut by generating a color gamut having a gamut coverage which meets a gamut coverage threshold, meeting a unique hue, having a maximum gamut efficiency, and a minimum quantization error.11-08-2012
20120056895IMAGE PROCESSING DEVICE, COLOR CORRECTION TABLE GENERATION DEVICE, DISPLAY DEVICE, IMAGE PROCESSING METHOD, COLOR CORRECTION TABLE GENERATION METHOD, COLOR ADJUSTMENT METHOD FOR DISPLAY DEVICE, AND IMAGE PROCESSING PROGRAM - The present invention provides an image processing device, a color correction table generation device, a display device, an image processing method, a color correction table generation method, a color adjustment method of a display device, and an image processing program capable of color matching to preferred colors of which excessive emphasis in chroma is suppressed. There are provided a chroma limit setting section for setting a chroma limit based on a optimal color, and a color correction table generation section for generating a color correction table by making a correspondence between an input color and an output color having chroma no greater than a chroma limit. The color correction table is stored in a color correction table storage section. The color correction execution section executes color correction along the color correction table so that the projector outputs a color with chroma no greater than the chroma limit.03-08-2012

Patent applications in class Gamut clipping or adjustment