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| Number | Title | Issue Date |
| 8134763 | Color conversion apparatus and color conversion method A color conversion apparatus is for converting an input point defined in a three-dimensional first color space into an output point defined in a three-dimensional second color space. The color conversion apparatus includes: a position identifying unit; a first conve... | 03/13/2012 |
| 8115979 | Ink minimizing profile making tool An International Color Consortium (ICC) profile making tool includes a regression module to establish a dependency between a profile connection space (PCS) and a device color space and an optimization module to generate a first output profile based on an ink minimiz... | 02/14/2012 |
| 8094349 | Recording apparatus and method for controlling recording apparatus A recording apparatus has a buffer for dividing a storage area into a plurality of areas in a scanning direction of a recording head to record data by allowing a carriage loaded with the recording head to scan data on a record medium, and storing the divided image d... | 01/10/2012 |
| 8054518 | Color imaging devices, color imaging methods, and color separation methods Color imaging devices, color imaging methods, and color separation methods are described. According to one embodiment, a color imaging device includes interface circuitry configured to access color image data of an initial color space for a plurality of pixels, colo... | 11/08/2011 |
| 8018633 | Conversion table creating device, storage medium storing conversion table creating program, and conversion table converting method An update performing unit repeatedly performs an updating process by controlling a second reference point setting unit to set a plurality of second reference points that are uniformly distributed in a subspace in the second color space; a calculation unit to calcula... | 09/13/2011 |
| 7978385 | Information processing method, information processing apparatus, program and medium A patch image generating section 101 generates a patch image by resolving the RGB space into an arbitrary number of steps, and by converting into a CMYK space via an LUT. A patch image calorimetric section 102 outputs the patch image onto a recording m... | 07/12/2011 |
| 7929188 | Color gamut data creating device A color gamut data creating device includes a locating unit, and an extracting unit. The locating unit locates characteristic points based on the measurement points on a target plane. The extracting unit extracts at least three vertices of a color gamut from among t... | 04/19/2011 |
| 7916367 | Image reader and image reading method An image reader includes a first read unit, a second read unit independent of the first read unit, a determination unit, a storage unit, and a correction unit. The first read unit reads a first face of a fed document to create image data. The second read unit reads ... | 03/29/2011 |
| 7852533 | Method and apparatus for adjusting color of image A method and apparatus for adjusting a color of an image, the apparatus includes a unit setting at least one adjustment region shaped as an ellipse in a color space; and a unit converting colors of pixels included in the adjustment region to other colors based on a ... | 12/14/2010 |
| 7755817 | Color gamut mapping Mapping of color gamut in a three-dimensional color space is performed by converting coordinates of source reference points to coordinates of destination reference points, and converting coordinates of an initial point to coordinates of a target point based on a fir... | 07/13/2010 |
| 7697177 | Image processing method, apparatus and program product A coloring material color separating section 101 separates an input image into ink colors of a printer referring to an LUT which is registered in the printer as initial values and used for color separation of coloring materials. A total coloring material amou... | 04/13/2010 |
| 7612927 | Image processing device An image data generator generates first image data consisting of a plurality of color data and being an image information for each pixel. An image processor including a color converter applies image processing such as color conversion on the first image data. An ima... | 11/03/2009 |
| 7576897 | Method and device for acquiring information for compensating color drift and medium with program for the same recorded thereon Patches (standard images) are printed on a printing medium with a standard ink recording quantity with a printer (printing device) 20 filled with alternative ink different from corresponding inks. The printed patches are subjected to colorimetry in the Lab co... | 08/18/2009 |
| 7508558 | Color printing A method of processing cyan, magenta, and yellow color values C1, M1, Y1 including transforming the C1, M1, Y1 color values to cyan, magenta, and yellow color values C, M, Y in such a manner that each of C, M, Y is not great... | 03/24/2009 |
| 7450281 | Image processing apparatus and information processing apparatus, and method thereof An image processing apparatus and information processing apparatus and method employs an output profile read-out unit that, according to a region designated by a preference selection unit, reads out one or more regional profiles from output profiles prepared for eac... | 11/11/2008 |
| 7440136 | Color processing apparatus and method When tetrahedral interpolation is used in correction of color reproduction upon color adjustment, image disturbances such as pseudo edges and the like may occur since the surfaces of each tetrahedron satisfy the boundary condition. Hence, a pixel position of digital... | 10/21/2008 |
| 7436543 | Color separation based on ink characteristics The ratio of ink quantities for reproducing achromatic color by a mixture of primary color inks is termed primary color mixture ratio. A primary coloring factors correlated to the primary color mixture ratio is established for each primary color ink. The ratio of ea... | 10/14/2008 |
| 7426055 | Optical disc supply and interface for digital copier machine Disclosed are improvements in digital copier machines and methods for controlling an output job to issue onto a removable digital storage media. A drive unit is provided and configured to removably receive a removable digital storage medium such as an optical disc. ... | 09/16/2008 |
| 7426060 | Image processing method, image processing device and image processing system An image processing method and image processing device which carry out color replacement of any color of process colors, by using another process color or a spot color which is not a process color. CMYK values of raster data of a color for which color replacement is... | 09/16/2008 |
| 7423780 | Dynamic selection of rendering intent for color proofing transforms In general, in one aspect, the invention features an apparatus, method, and computer program product for automatically selecting a rendering intent. A device color profile associated with a device is identified. A rendering intent is automatically selected based on ... | 09/09/2008 |
| 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 |
| 7420707 | Printing specification method and printing specification device A printing specification method and printing specification device for specifying a spot color, which differs from process colors, as a substitution color, when setting the substitution color for a color plate of one of the process colors and performing printing proc... | 09/02/2008 |
| 7421120 | Apparatus correcting image by luminance histogram An apparatus and method for selectively increasing contrasts of bright and dark regions and automatically determining an appropriate degree of correction such that the image has a corrected luminance that is closer to an estimated optimal average luminance (EOAL) de... | 09/02/2008 |
| 7417763 | Data processing apparatus and method, and image processing apparatus A method of reconstructing the content of an ink color decomposition table is available as a method calibrating second- and higher-order colors. However, it is difficult to reconstruct the ink color decomposition table while maintaining a limitation upon the overall... | 08/26/2008 |
| 7417762 | Method for forming color conversion table, apparatus for forming color conversion table, program for forming color conversion table and printing apparatus A method which enables high-accuracy color conversion. On condition that conversion from a second color space into a first color space can be made accurately, target coordinates in the first color space are determined and coordinates in the second color space are ar... | 08/26/2008 |
| 7411697 | Color conversion device During the device link processing, an original lookup table LUT0 is modified into a modified lookup table LUT1 so that achromatic color value sets B2a will be associated with all the achromatic color value sets B1a. Accordingly, during a ... | 08/12/2008 |
| 7408678 | Composite rendering intent for color proofing applications An apparatus, method and computer program product for transforming data from a source device color space to a destination device color space using a source device color profile, a source rendering intent, a destination rendering intent, and a destination device colo... | 08/05/2008 |
| 7403307 | Method of selecting inks for use in imaging with an imaging apparatus A method of selecting inks for use in imaging with an imaging apparatus includes determining a maximum usage of a diluted ink for use in conjunction with a saturated ink based on visual perception characteristics relating to a combination of the diluted ink and the ... | 07/22/2008 |
| 7403315 | Color conversion definition creating method, color conversion definition creating apparatus, and color conversion definition creating program storage medium A color conversion definition (CCD) creating method of creating CCD converting coordinate points within a color reproduction area (CRA) of 1st device mediating between an image and image data, in 1st RGB color space, depending on 1st device, into coordinate points w... | 07/22/2008 |
| 7397483 | Image data conversion using interpolation In tetrahedral interpolation suitable for data conversion implemented by digital computations, when the unit rectangular hexahedron is a regular hexahedron, no complicated multiplication is required, and the computation volume can be greatly reduced. However, when t... | 07/08/2008 |
| 7391932 | Apparatus and method for selecting image to be displayed Provided are an apparatus and method for selecting one of an image signal input from an image signal inputting device and an image signal obtained by changing the size of the image signal input from the image signal inputting device and displaying the selected image... | 06/24/2008 |
| 7382382 | Display device conversion device, display device correction circuit, display device driving device, display device, display device examination device, and display method The liquid crystal display device inputs a signal, corrected by a correction circuit provided with a sigmoid inverse function generator, to a source driver. A sigmoid function which is an S-shaped function is used to approximate an input/output characteristic (appli... | 06/03/2008 |
| 7382492 | Image processing apparatus and image processing method The image processing technique of the invention receives an input image with an ID of a digital camera used for taking the input image (step S100) and performs color adjustment of the input image (step S110). The technique then specifies a color differ... | 06/03/2008 |
| 7382507 | Image quality defect detection from image quality database A method of detecting image quality defects in the output of an image output device includes the steps of generating a test pattern at a known time, analyzing the test pattern to generate image quality defect records, storing the image quality defect records in memo... | 06/03/2008 |
| 7379204 | Image processing apparatus and method, and image processing system If only a specific color and its nearby colors of image data are adjusted, density discontinuation occurs in the image as a whole. If masking is performed to avoid this problem, the adjustment range cannot be bounded, so the processing time increases. On an adjustme... | 05/27/2008 |
| 7375853 | Image processing apparatus and method A separating unit determines, for an image data, whether there exists black data, and generates density data from the black data when the black data exists, and generates color data from data other than the black data. A multinarizing unit converts the color data in... | 05/20/2008 |
| 7372469 | Image transforming method The present invention provides a method for rotating YUV4:2:0 image in a digital display device, such as TV image system. A YUV4:2:0 image is separated to a Y division matrix and a U and V division matrix. Then the Y division is performed a rotation matrix calculati... | 05/13/2008 |
| 7372596 | Color conversion definition creating method, color conversion definition creating apparatus, and color conversion definition creating program storage medium A combined profile is created through a first step of deriving a coordinate component of a black on a color space for CMYK dot % for a printer associated with a predetermined representative coordinate in the color space for CMYK dot % for printing, on the representa... | 05/13/2008 |
| 7369274 | Color error diffusion method A color error diffusion method effective between a color image input device operating in one color space and a color image output device operating in another color space. The method includes the steps of (a) preparing a final color palette for use in a practice of v... | 05/06/2008 |
| 7369272 | Accuracy of color conversion profile A method for determining lattice points to be referenced to prepare the correspondence defining data, said method including steps of prescribing a smoothness evaluation function which evaluates smoothness of arrangement of lattice points in the device-independent co... | 05/06/2008 |
