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| Number | Title | Issue Date |
| 8189010 | Systems and methods for color gamut mapping Systems and methods are provided for an efficient computational scheme that permits the mapping of a color to a device gamut. In some embodiments, the device gamut may be represented in a device independent color space, which may be a perceptually uniform color spac... | 05/29/2012 |
| 8159500 | Methods and apparatus for color grading with gamut match preview A method for color grading an image within RGB color space including color values includes receiving a source image having first pixels, wherein second pixels from the first pixels are associated with colors within a first gamut but not a second gamut, receiving a c... | 04/17/2012 |
| 8154559 | Mapping 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 t... | 04/10/2012 |
| 8154560 | Display 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 coordina... | 04/10/2012 |
| 8139079 | Color gamut component analysis apparatus, method of analyzing color gamut component, and color gamut component analysis program A color gamut component analysis apparatus having a histogram processing unit 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... | 03/20/2012 |
| 8130235 | Apparatus and method of automatically adjusting a display experiencing varying lighting conditions Disclosed is a means for adjusting color gamut data associated with a digital media file to compensate for changing ambient light conditions at a display screen. Ambient light conditions at the display screen are detected using a light sensor and converted into ambi... | 03/06/2012 |
| 8089489 | Method for converting a source gamut of an image to a destination gamut A method for converting a source gamut of an image to a destination gamut includes providing an imaging apparatus having a plurality of destination gamuts, determining a source gamut boundary for the source gamut of the image; selecting an appropriate destination ga... | 01/03/2012 |
| 8085277 | System and method for clipping values of pixels in one color space so not to exceed the limits of a second color space A system and method that detects when pixels from one color space would exceed the range of a second color space, and restrict the range of the pixels without distorting their brightness, while preserving their color. The method may provide the ability to restrict t... | 12/27/2011 |
| 8013868 | Color processing apparatus, color processing method, color gamut setting apparatus, color gamut setting method, recording medium storing color processing program and recording medium storing color gamut setting program A color processing apparatus converts a target M-dimensional color signal in an input color space into an N-dimensional output color signal in an output color space. M and N are natural numbers and N>M. The apparatus includes a first calculation unit and a second ca... | 09/06/2011 |
| 8013867 | Systems and methods for implementing improved gamut mapping algorithms Techniques for modifying aspects of the gamut mapping function in a multi-primary display system influence the performance of the display or the perception of certain ones of the colors. One embodiment of the system comprises a method for selecting a metamer. Other ... | 09/06/2011 |
| 7999823 | Device and method for projection device based soft proofing A display (36) for reproducing an image intended for printing on a substrate using a set of inks, the image having a perceived color gamut when print it on the substrate, the display (36) including a light source (38) generating a set of at leas... | 08/16/2011 |
| 7978203 | Methods 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 co... | 07/12/2011 |
| 7961199 | Methods and systems for image-specific tone scale adjustment and light-source control Embodiments of the present invention comprise systems, methods and devices for adjusting image code values in conjunction with display light source illumination levels for enhanced image display. ... | 06/14/2011 |
| 7956868 | Gamut map model with improved gradation fidelity at low chroma values An improved gamut map model (GMM) useful in conjunction with Windows Color System (WCS). The method uses the WCS Minimum Color Difference (MinCD) GMM to handle gamut mapping for the Saturation rendering intent at low input chroma values. For input values to the gamu... | 06/07/2011 |
| 7911479 | Gamut mapping A mapping technique is disclosed that maps color image data of an image displayed on a first image display device to output color image data for display on a second image display device. This mapping technique maps the color gamut of the first image display device t... | 03/22/2011 |
| 7893946 | Color temperature calibration methods and related devices A color temperature calibration method for calibrating the color temperature of a display device according to a set of target chromaticity coordinate values, includes: measuring colors displayed by a plurality of display cells of the display device to generate at le... | 02/22/2011 |
| 7893945 | Color mapping techniques for color imaging devices Disclosed embodiments relate to techniques for color gamut mapping when an input signal transmitting color visual images has a different color gamut than does the output display device. Polynomial rubber-sheet mapping may be used to translate the input color gamut t... | 02/22/2011 |
| 7750921 | Image data processing method and apparatus, storage medium product, and program product When printing image data obtained by an input device, the present invention is intended to effectively utilize the color reproduction area of the printer. An image data processing method of the present invention comprises the steps of scale-down shifting a first col... | 07/06/2010 |
| 7742058 | Method for selecting a color transformation An output color profile, such as an ICC output profile, contains a look-up table to separate the color of a pixel, for example a CIELAB color, into a set of colorant values, for example CMYK colorants. In practice, most CMYK images have been separated using one of a... | 06/22/2010 |
| 7663641 | Gamut mapping utilizing cusp points and three-dimensional boundary surfaces Gamut-mapping from a source device to a destination device is performed in a perceptually linear color space such as CIECAM02 by separating a source image into primary color components and processing each primary component separately by mapping a source cusp point w... | 02/16/2010 |
| 7652676 | Systems and methods for color managing content elements on a display device A system and method for color managing content elements on a display device are provided. The systems and methods for color managing content elements on a display device comprising using a set of color space characteristic values that describe a color space of the d... | 01/26/2010 |
| 7646391 | Systems and methods for color managing content elements on a display device A system and method for color managing content elements on a display device are provided. The systems and methods for color managing content elements on a display device comprising using a set of color space characteristic values that describe a color space of the d... | 01/12/2010 |
| 7595807 | Color processing method and its apparatus A method (for, e.g., proof) of mapping only colors which fall outside a color gamut on its boundary calculates color differences from all the points in the color gamut, and determines a mapping destination by interpolating points with smaller color differences. For ... | 09/29/2009 |
| 7589743 | Hue angle calculation system and methods One system includes at least one input channel, an octant determining unit, an angle determining unit, and an angle offset unit. Each input channel receives chroma components of image data. The octant determining unit determines which octant a given image data occup... | 09/15/2009 |
| 7586497 | OLED display with improved power performance An OLED display for producing a full color image, comprising a plurality of at least four different colored pixels including three different colored addressable gamut-defining pixels and a fourth addressable within-gamut pixel, each pixel having an organic light-emi... | 09/08/2009 |
| 7567255 | Color adjustment for clipped pixels A control module for use in an image display system includes a gain module operable to amplify a signal received by the control module and to communicate an amplified signal having at least one clipped pixel. The at least one clipped pixel is capable of generating a... | 07/28/2009 |
| 7557814 | Construction and use of a multi-shelled gamut boundary descriptor Construction and use of an inner shell for a multi-shelled gamut boundary descriptor (GBD) for a source device based on a predesignated outer shell for the source device, for use in gamut-mapping from the gamut of the source device to a gamut of a destination device... | 07/07/2009 |
| 7460130 | Method and system for generation, storage and distribution of omni-directional object views Image acquisition refers to the taking of digital images of multiple views of the object of interest. In the processing step, the constituent images collected in the image acquisition step are selected and further processed to form a multimedia sequence which allows... | 12/02/2008 |
| 7436996 | Device, system and method of data conversion for wide gamut displays A method and system for converting color image data (data outputting from element 202) from a, for example, three-dimensional color space format to a format usable by an n-primary display (206), wherein n is greater than or equal to 3. The system (conv... | 10/14/2008 |
| 7428011 | Wide dynamic range electronic image recording and reproducing system The electronic camera has an imaging device that images a subject with subject reflectance R (%) with a dynamic range wider than that at displaying or printing to acquire image data and a recording device that converts the image data acquired by the imaging device w... | 09/23/2008 |
| 7425964 | Method for compensating colors of a display device A color compensation method for a display device. A brightness eigenvalue and color gamut eigenvalue of the display device is determined. A plurality of signals of three major colors are applied into the display device to display a plurality of colors. The colors ar... | 09/16/2008 |
| 7414631 | Perceptual gamut mapping with multiple gamut shells An improvement to sigmoidal gaussian cusp knee (SGCK) gamut mapping algorithm useful for gamut boundary descriptors (GBDs) that are defined with multiple shells rather than a single hull. The gamut mapping algorithm involves a lightness-rescaling step and a chroma c... | 08/19/2008 |
| 7411696 | Smooth gray component replacement strategy that utilizes the full device gamut Systems and methods are disclosed of a smooth gray component replacement strategy which utilizes the full gamut of a printer device. A CMY to CMYK gray component replacement transform is disclosed which inherently exploits the full gamut of the printer, by transform... | 08/12/2008 |
| 7408557 | Apparatus and method for adjusting brightness and color temperature An apparatus and method automatically adjusting the brightness and the color temperature of a screen to an optimum state according to input RGB signals. The apparatus includes an RGB color signal generator and a system controller. The RGB color signal generator dete... | 08/05/2008 |
| 7408558 | Laser-based display having expanded image color A method for displaying a color image by providing a color image display apparatus having at least three narrow-band emissive light sources that define a display color gamut. Image data values are accepted that are defined within an original color gamut that is smal... | 08/05/2008 |
| 7405748 | Video signal monitoring apparatus An apparatus for monitoring a video signal comprises means for detecting a gamut error in an R component, means for detecting a gamut error in a G component, and means for detecting a gamut error in a B component. The means for detecting a gamut error in the R compo... | 07/29/2008 |
| 7403205 | Fast primary mapping and gamut adaptation to construct three dimensional lookup tables Disclosed are embodiments of a system and method for rendering colors between color devices. The method includes establishing a source color gamut for a source device and the source color gamut has a white point, a black point, and primary points. The method also in... | 07/22/2008 |
| 7403209 | Rendering images containing video A video node for use in rendering one or more video frames of a video stream. The video node is represented by a compositing tree (2100). The compositing tree (2100) comprises at least one image primitive node (2140) representing one or more vid... | 07/22/2008 |
| 7391399 | Display device The present invention provides a display device which can suppress the increase of a chip size while reducing the number of transistors of a decoder circuit compared to the prior art. Assuming m (m being an integer of 2 or more) as a lower-order bit in accordance wi... | 06/24/2008 |
| 7391475 | Display image generation with differential illumination A method of producing a display image comprises receiving image information representing an image to be displayed, producing an image formed of a plurality of images of different colors, and projecting the produced image along an optical path. The differently colore... | 06/24/2008 |
