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| Number | Title | Issue Date |
| 8154563 | Color conversion method and apparatus for display device A color conversion method and apparatus for a multi-primary display (MPD) are provided with analyzing an input image to determine a transformation parameter; interpolating at least two look-up tables for color conversion according to the transformation parameter, in... | 04/10/2012 |
| 8120617 | Color conversion with many input channels A method and apparatus for color conversion useful for color devices having a large number of input channels, for example CMYK color printers having additional inks used to enhance the color printer's gamut. The color conversion is performed using a strata collectio... | 02/21/2012 |
| 8094167 | Display color correcting system A display color correcting method is provided. A first plurality of input color values are provided to a display, wherein the input color values correspond to a plurality of vertices of a plurality of cubes within a cubic color space of the display. Each cube has tw... | 01/10/2012 |
| 7936358 | Integrated color management In one embodiment, a display device comprises a timing controller, a first computer readable memory medium coupled to the timing controller and comprising a first color table, a video processor coupled to the timing controller via a communication link and comprising... | 05/03/2011 |
| 7924291 | Display color correcting system A display color-correcting system is provided. Color response values are measured that go into the vertices of polyhedra in a cubic color output space of the display. A set of corresponding values for the display is built from intermediate values determined between ... | 04/12/2011 |
| 7656415 | Aggregation of curve effects A system, a method and computer-readable media for aggregating curves. An aggregated curve is generated by associating input values from a first curve with output values from a second curve. This aggregated curve may be used, for example, to apply multiple curve eff... | 02/02/2010 |
| 7595808 | Method and apparatus for updating a color look-up table Aspects of the invention may include a method updating a color look-up table (CLUT) for a next line of graphics before a current line of graphics has been completely read out of a graphics FIFO and assigned color pixel values. The method may include the step of form... | 09/29/2009 |
| 7535476 | Method and system color look-up table (CLUT) random access memory arrangement for CLUT and gamma correction application Provided is a method and system for performing color look-up table (CLUT) and gamma correction for video pixel data. A system includes a memory configured for storing CLUT parameters and gamma correction parameters therein. Also included is an input matrix coupled t... | 05/19/2009 |
| 7439985 | Liquid crystal display and the driving method thereof A liquid crystal display (LCD) including an LCD panel and a driving unit is provided. The LCD panel has a red pixel, a green pixel, and a blue pixel. The driving unit is applied for receiving a red data signal, a green data signal, and a blue data signal, and output... | 10/21/2008 |
| 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 |
| 7423791 | Color conversion using barycentric projections A method and apparatus for interpolating values for a color space from an input color value. A unit hypercube enclosing the input value is generated based on values from a look up table. A set of boundary conditions are then imposed on the unit hypercube. To perform... | 09/09/2008 |
| 7420577 | System and method for compensating for visual effects upon panels having fixed pattern noise with reduced quantization error A display system comprises a display panel having a plurality of subpixels, a first look-up table (LUT) configured to provide gamma adjustment signals to input image data, an image processor configured to receive the gamma adjusted input image data for processing, a... | 09/02/2008 |
| 7400331 | Apparatus and methods for texture mapping The invention provides texture mapping techniques that facilitate interactive painting of a three-dimensional virtual surface by a user in object space, without requiring global parameterization. The texture mapping techniques feature rendering texture for a given v... | 07/15/2008 |
| 7391480 | Image processing apparatus and image processing method for performing gamma correction An image processing apparatus carrying out a gamma correction for input data includes polygonal line approximating apparatus for carrying out the gamma correction by a polygonal line approximation, a look-up table partially storing gamma correction data correspondin... | 06/24/2008 |
| 7379073 | Method of restoring RGB gray scale data and apparatus for performing the same A method of restoring RGB gray scale data for maintaining a sharpness of a screen and reducing a size of a memory is disclosed. The RGB gray scale data having M bits are truncated to generate a first RGB gray scale data having N bits, M being a positive integer and ... | 05/27/2008 |
| 7379057 | Non-linear processing apparatus, image display apparatus A nonlinearly processed (gamma-corrected) video signal is subjected to three-dimensional signal level correction using three-dimensional correction values and corresponding to a position in a horizontal direction and a vertical direction of a pixel on a display scre... | 05/27/2008 |
| 7365890 | Color processing apparatus and method and image processing apparatus As a method of calibrating colors other than primary colors such as secondary colors, the contents of an ink color-separation table are reconstructed. However, it is difficult to reconstruct the ink color-separation table within the limitation of total ink amount pe... | 04/29/2008 |
| 7324119 | Rendering color images and text Methods and apparatus, including computer program products, implement techniques for configuring at least a portion of a document for display in a display environment. The techniques include generating a document color palette for all or a portion of an electronic d... | 01/29/2008 |
| 7312794 | Methods for driving electro-optic displays, and apparatus for use therein A bistable electro-optic display has a plurality of pixels, each of which is capable of displaying at least three gray levels. The display is driven by a method comprising: storing a look-up table containing data representing the impulses necessary to convert an ini... | 12/25/2007 |
| 7312891 | Image processing method and apparatus When a color reproduction model of a device is generated, colorimetry of a 9×9×9 grid, for example, is performed utilizing equidistant signal values in the color space of the device. Generally, if the number of grid points is increased, the precision with which th... | 12/25/2007 |
| 7304766 | Method and apparatus for data adjustment A method includes obtaining a first value corresponding to a first location in a first color space and obtaining a second value in a second color space using the first value. The method further includes converting the second value to a third value in the first color... | 12/04/2007 |
| 7283113 | Method and apparatus for driving liquid crystal display A method and apparatus of driving a liquid crystal display device that is adaptive for preventing a deterioration of picture quality. More specifically, a method of driving a liquid crystal display includes dividing input data into most significant bit data and leas... | 10/16/2007 |
| 7280116 | Pixel data preprocessing methods and systems Methods and systems are disclosed for preprocessing video display pixel data. A preprocessor is provided with a selectable gamma correction mode and a selectable palette lookup mode. In palette lookup mode, a LUT memory area is used for performing a palette lookup f... | 10/09/2007 |
| 7274488 | Detecting graphics in color rendering dictionaries Differentiating between image and graphic objects contained within a Color Rendering Dictionary improves printing efficiency. The differentiation between image and graphic objects is accomplished by monitoring the sequence in which Color Rendering Dictionary procedu... | 09/25/2007 |
| 7259768 | Methods and apparatus for converting color values Color conversion apparatus and methods are provided for converting a first color value, such as an RGB, L*a*b* or XYZ color value, to a second color value, such as an RGB, CMY, CMKY, L*a*b*, L, C1C2, or XYZ color value, without saturation error... | 08/21/2007 |
| 7256795 | Extended power management via frame modulation control Power consumption in a portable computer device that provides true-color simulation on a liquid crystal display can be realized by selectively operating a graphics controller that drives the LCD to selectively enable or disable true color simulation. Disabling dithe... | 08/14/2007 |
| 7250956 | Method and apparatus for color transformation (conversion) Contents of a text processing job is not pre-traced, and at a stage of processing a drawing object, a CLUT combination relating thereto is determined to be ON/OFF. A plurality of drawing objects are associated with a set of CLUT combination, and a CLUT combination w... | 07/31/2007 |
| 7251058 | Method for generating customized ink/media transforms The present invention is directed to an improved system and methodology for generating ink/media transforms. A preferred methodology comprises one or more of the following steps: selecting the ink type; selecting the color set; selecting the media type; selecting th... | 07/31/2007 |
| 7251057 | Digital camera A digital camera includes a CCD imager. When a display-use UYV signal is generated on the basis of an RGB signal of an object image photographed by the CCD imager, a CPU detects a color saturation degree of the RGB signal and reduces dynamic range of a U signal and ... | 07/31/2007 |
| 7248750 | Object information processing apparatus, image processing system, game apparatus and image processing method An object information processing apparatus is provided for obtaining object information from input image data comprising pixels. The object information processing apparatus comprises an object determination section for determining whether or not each pixel is a part... | 07/24/2007 |
| 7245300 | Architecture for real-time texture look-up's for volume rendering A slice plane, oriented parallel to a viewing plane, is passed through a cuboidal dataset at regular intervals. The intersection of the slice plane with the cuboidal volume dataset results in primitives (quads, triangles, etc. depending on the angle and position of ... | 07/17/2007 |
| 7242410 | Color conversion method and apparatus An apparatus and method for converting an input image with a plurality of pixels to an output image using an N-dimensional conversion table with a plurality of nodes. The apparatus has a set of RAMS for storing odd-indexed nodes and even-indexed nodes for each dimen... | 07/10/2007 |
| 7236181 | Apparatus for color conversion and method thereof A color conversion apparatus and a method of color conversion are described for converting a first color in a first color space to a second color in a second color space. The color conversion apparatus includes a plurality of lookup tables storing color mappings rel... | 06/26/2007 |
| 7230633 | Method and apparatus for image blending Methods and apparatuses for blending two images using vector table look up operations. In one aspect of the invention, a method to blend two images includes: loading a vector of keys into a vector register; converting the vector of keys into a first vector of blendi... | 06/12/2007 |
| 7230629 | Data-driven color coordinator A color selection and coordination system including a database of predetermined color relationships implementing a data-driven color model. A starting color is associated with a first color in the color database. One or more predefined color palettes associated with... | 06/12/2007 |
| 7230631 | Image input unit and image input method The invention is characterized by the fact that an area sensor for outputting an analog signal responsive to the light reception amount of light of CMYG is used and when CMYG image data is converted into RGB image data, RGB image data having a domain also in negativ... | 06/12/2007 |
| 7224404 | Remote display control of video/graphics data A method and apparatus where a source delivers graphics data to a target, which receives and displays the graphics data. The source of the graphics data controls how the graphics data is to be displayed at the target. The source transmits a display control signal pr... | 05/29/2007 |
| 7215830 | Method and device for transforming an object image The present invention relates to a method and a device for transforming an object image, e.g., using a rotation and/or scaling, for showing it on a display unit having a matrix-shaped array of target image points. In order to achieve a rapid and exact representation... | 05/08/2007 |
| 7209145 | Color device profile having a buffered look-up table A color device profile including a buffered color look-up table having outermost nodes that replicate nodes of an inner portion that are closest to the outermost nodes, and input tonal reproduction curves having a range that is smaller than an input range associated... | 04/24/2007 |
| 7196823 | Method of creating lookup table for color conversion After determining a CMYK-to-Lab relationship, a Lab lattice-to-CMYK relationship is determined. The Lab lattice-to-CMYK relationship defines, for each Lab lattice point, a plurality of allowable CMYK data sets. Then, for each Lab lattice point, several allowable CMY... | 03/27/2007 |
