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7626742 |
Color data conversion apparatus and method using gamut boundary descriptors
A color data conversion apparatus and method. The color data conversion apparatus includes a K ratio calculator for outputting a K ratio that is calculated using entered color data; a K ratio...
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7626740 |
Image processing device, recording medium and image processing method
Color reproduction ranges for images of subjects taken in the light of plural light sources each having plural color temperatures are previously stored. First, a predetermined chromatic...
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7623263 |
Settings for monotone printing and color printing
An inkjet printer performs printing by scanning a printing head having a plurality of ink nozzles, and has a monotone printing mode and a color printing mode. Under the condition of using the same...
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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...
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7612914 |
Production of color space conversion profile based on correspondence of grid points and ink amounts
A method for producing a profile specifying the correspondence relationship of values in different color spaces, includes a step of acquiring a first correspondence relationship that is a...
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7609413 |
Color management for limited gamut devices
Methods and apparatuses for performing color manipulation using virtual gamuts. In one aspect of the invention, a method to perform color manipulation on a digital processing system includes:...
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7602537 |
Gamut mapping with primary color rotation
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...
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7602532 |
Highly accurate and rapid scanning by a simple scanning device and color correction technology for a printing device
A scan target is scanned to acquire scan data that includes tone values for each color component in a plurality of pixels; there are acquired scan profiles indicating association relationships...
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7602520 |
Picture transmission/reception system, picture receiver apparatus and printer
A picture transmission/reception system includes: an information supply apparatus that supplies, sequentially in time, combined information including picture information and counterpart-picture...
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7593147 |
Output apparatus, color conversion method, and machine readable medium storing program
There is provided an output apparatus capable of outputting an image of high quality even if unreproducible colors are converted into reproducible colors among colors included in an image. The...
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7593133 |
Inkjet printing device
A print data creating device that creates print data for an inkjet printer. The inkjet printer is configured to print an image on a fabric in accordance with the print data. The print data creating...
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7583420 |
Image processing method and apparatus
It is difficult to adjust a black plate while maintaining accurate color reproduction in a color printer that forms an image using C, M, Y, and K color agents. Upon generating a conversion...
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7583406 |
Color transforms for concave device gamuts
Method for building color transforms for color imaging devices having concave color gamut regions, including forming a device model that relates device control signals for a color imaging device to...
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7580150 |
System and method for reproducing colors on a printing device
A method and a system for outputting an image having a specific color on an output device, the method including (a) analyzing the image; (b) creating a model for the output device, based on the...
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7577311 |
Color fringe desaturation for electronic imagers
A method for correcting colored fringe artifacts in a region of an image around saturated pixels captured by an electronic imager associated with a color filter array, includes providing a...
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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...
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7576889 |
Cascade of matrix-LUT for color transformation
Various implementations of this invention provide a method of color transformation of image data that included: providing at least two units, each unit comprising a combination of a plurality of...
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7573611 |
Gamut maximizing black generation for printers
Gamut maximizing black generation for printers. Generating device dependent data from device independent data uses both chromatic curves and achromatic curves, which are independently controllable...
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7570808 |
Better picture for inexpensive cameras
A method for enhancing an image includes applying an auto-level transformation to an original image to form a first image, applying an auto-contrast transformation to the original image to form a...
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7570403 |
Color image processing apparatus
A color conversion section in an image processing apparatus converts input colors at positions of interest in input color document data to a limited number of colors, on the basis of page layout...
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7564466 |
System and method for managing memory for color transforms
A system and method for managing memory for color transforms. Color input data representing a colorized electronic document is first received by a color management module and analyzed. The color...
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7557958 |
Image processor
An image processor has a storing unit and a searching unit. The storing unit stores one or more process colors and/or one or more spot colors that is/are different from the one or more process...
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7557954 |
Fast color interpolation
A method of performing color conversion to convert a set of input color values to color values in an output color space includes representing an output color in the output color space as a...
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7557837 |
Image pickup apparatus and control method thereof
In an image pickup apparatus, image data obtained by an image pickup unit is subjected to predetermined image processing, and an image is displayed on an electronic viewfinder screen based on the...
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7554694 |
Image processing apparatus and its method, and control method
An ICC profile includes brief gloss information indicating glossy/matte attribute as attribute information, however, gloss matching cannot be performed with the 2 options. In a case where embedding...
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7551323 |
Systems and methods for error diffusion
Error diffusion is performed upon input image data. In one aspect, multiple error diffusion processing elements perform error diffusion on a selected pixel in parallel. In another aspect, the error...
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7545386 |
Unified mobile display emulator
The conversion of Mobile Display information used in a wide variety of Mobile Devices into Unified Image Formats is disclosed to enable viewing on a desktop computer system in addition to manual...
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7542167 |
Smoothing lattice positions
A profile is created for making correspondence between a lattice point in an ink color space composed of ink colors and a lattice point in a device-independent color space by: defining a virtual...
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7535592 |
Image processing apparatus for simultaneous processing of a plurality of print data
This invention relates to an image processing apparatus capable of processing plural jobs at a high rate. The image processing apparatus is comprised of first and second buffer memory devices,...
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7525697 |
White balance processing apparatus and processing method thereof
Disclosed herein is a white balance processing apparatus including: white balance processing means for effecting white balance processing on a taken image based on a set white balance value;...
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7519219 |
Method and program for correcting facial image and recording medium
A facial image photographed by a digital camera is downloaded to a PC. When a facial image correction program starts, a correction window and a correction item selection window open on a monitor....
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7515299 |
Image processor, image output device, image input device, and multifunction device
A multifunction device includes a look-up table generation portion for generating a look-up table in accordance with a profile of a print mechanism or an image read mechanism and a profile of an...
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7513952 |
Model based detection and compensation of glitches in color measurement systems
A color sensor monitors the output of a color producing process and produces a signal representative of a color produced by the color producing process. The signal can be used as feedback signal to...
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7511854 |
Image processing device, image processing method and image processing system
An image processing device has a storage unit, a read-out unit, a color information generating unit, a color information converting unit and a color replacing unit. The storage unit stores color...
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7508550 |
Image correcting apparatus and method, and image correcting program, and look-up table creating apparatus and method, and look-up table creating program
A bright luminance value, a dark luminance value, and an average luminance value relating to a face image portion included in an image represented by fed image data are calculated in calculating...
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7505185 |
Color image communication device and color image communication method
A color image communication device includes a transmission unit which carries out a facsimile transmission of image data of a sYCC-Joint Photographic Experts Group (JPEG) color space, and a control...
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7502150 |
Color converting device, image forming apparatus, color conversion method, computer program and recording medium
In a color converting device for converting input image data based on a plurality of first color components (the number of bits of each color component is k) into output image data based on plural...
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7499202 |
Color image data correcting method, color image data correcting device, and color correction table producing program
There has been a room for improvement of calibration accuracy. The predetermined color patches are printed on the basis of the patch image data for printing a plurality of patches of which the...
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7492484 |
Image signal processing method and apparatus for limiting amount of toner stick
Even when an image signal is converted into an image signal with a limited amount of toner adhesion, the gradation is prevented from changing rapidly near the limiting value and therefore the image...
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7491424 |
Reproduction of security documents and color images with metallic inks
The present invention discloses methods and systems for printing by superposing a metallic ink and transparent inks. These methods and systems are useful for color separating images into...
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RE40637 |
Method for performing a color space transformation
A method for transforming a first image defined by a first multi-dimensional color space (RGB) into second image defined by a second multi-dimensional color space (CMYK). The method computes the...
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7489814 |
Method of and device for modulating a dynamic range of still and video images
A method of modulating a dynamic range of a plurality of picture elements each containing image information. The method comprises: (a) inputting the plurality of picture elements and extracting,...
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7489422 |
Methods and apparatus for real time calibration of a print system marking engine
Methods and apparatus are disclosed for modifying the rendered output of a marking engine for a print job in progress. A marking engine commences printing print data for a print job. A parameter of...
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7483173 |
Data processor having a synchronizing function of a plurality of chips
A ring buffer is provided in the data holding section A 3 of a data processing section 100 A. A master-slave relationship between a plurality of data processing sections 100 A, 100 B is set. A...
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7483172 |
Image processing apparatus and image processing method
An image processing apparatus having a processor for calculating an image signal for proofing a proof apparatus, when an original color image outputted from a first output apparatus is reproduced...
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7483170 |
Generation of color measured data from transform-based color profiles
Color measurements are generated from transform-based device profiles for use in a measurement-based color management system. The color measurements is generated by providing device-dependent color...
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7483164 |
Image processing apparatus
Disclosed herein is an image processing apparatus having a memory to store taken image data, for effecting image processing on the stored image data, including: an image data storage control...
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7474438 |
Wide gamut mapping method and apparatus
A method and apparatus is used for gamut mapping to a printer gamut that includes receiving a narrow gamut, a wide gamut, a printer gamut for printing on a printer and a predetermined mapping...
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7468813 |
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...
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7463385 |
Color map selection
Systems, devices, and methods performed by program instructions, are provided for color map selection. One method includes instructions which execute to generate a first color map from a set of...
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