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| Number | Title | Issue Date |
| 7791762 | Image forming apparatus and image forming system An image forming apparatus and an image forming system of the invention have: a discriminating section which discriminates necessity of a security pattern for suppressing illegal use of image creation data on the basis of a security level; a security pattern forming... | 09/07/2010 |
| 7791763 | Color separation method and image processing device A dark and light color separation of four fundamental colors into color materials containing light ink is realized at high speeds. A cross patch where a discrete color material amount with regard to two kinds of color materials having a different density is distribu... | 09/07/2010 |
| 7791759 | Image processing method and apparatus An image processing method includes the steps of detecting the dynamic range of input image data, performing edge enhancement processing to increase the number of grayscale levels of the input image data, and performing dithering processing to reduce the number of g... | 09/07/2010 |
| 7787150 | Print data forming apparatus In a print data forming apparatus, a color conversion information storing section stores plural color conversion information, a mode shift detecting section detects a shift to an image converting mode, an image conversion processing section forms plural printer char... | 08/31/2010 |
| 7787149 | Method of generating color conversion table, information generation apparatus, recording medium, and image processing apparatus A color conversion table for converting M color signals of an input system into N color signals of an output system is disclosed. The color conversion table is prepared by and obtained based on a calculation target point corrected by moving a position of the maximum... | 08/31/2010 |
| 7782487 | Image processing apparatus, image forming apparatus, image processing method, computer data signal, and recording medium An image processing apparatus includes: an accepting unit that accepts image information about each of a plurality of image elements to be synthesized; a comparing unit that compares a threshold value with a mixing ratio used in an operation to synthesize the image ... | 08/24/2010 |
| 7782488 | Print control device and print control method When image formation is to be carried out based on multiple print jobs that have been inputted, multi-imposition print data is generated in which the multiple print jobs are arranged in a single sheet layout, and cutting sheet data is generated based on positions of... | 08/24/2010 |
| 7782485 | Linearization and characterization process of an image producing device Exemplary methods are directed to the linearization and characterization of an image producing device. In the method, a color test chart of the device is reproduced and measured based on a small number of color measurement fields with defined device color values. As... | 08/24/2010 |
| 7782482 | Color compensation of printing device A color correcting method for compensating a color drift in a printing device includes determining an ink recording rate having a maximum variation of colorimetric data from among a plurality of stages of ink recording rates. The variation of colorimetric data occur... | 08/24/2010 |
| 7782483 | Image forming system, image forming apparatus, image processing apparatus and storage medium readable by computer An image forming system includes: a data conversion unit that converts first image data into second image data; and an image output unit that outputs an image obtained by reproducing the second image data. The data conversion unit includes: a determination unit whic... | 08/24/2010 |
| 7782486 | Image processing method, program product, image processing device, image forming apparatus and image forming system for limiting ink quality when printing on both sides of a print medium An image processing method for an image forming apparatus which is capable of performing double face printing is provided, wherein color space transformation processes that differ between single face printing and double face printing are performed. In addition, an i... | 08/24/2010 |
| 7782489 | Method for selecting a sample set useful in relating color reflectances producible under reference and target operating conditions and the sample set producing thereby A transform useful for predicting a reflectance value producible by a printer while operating under a predetermined target set of operating conditions using reflectance values produced by the printer while operating under a predetermined reference set of operating c... | 08/24/2010 |
| 7782490 | Sensitivity matrix determination for adaptive color control What is provided are a novel system and method for determining a sensitivity matrix for adaptive color control in a color marking device capable of performing device independent color correction. In one embodiment, a determination is made as to what control operatio... | 08/24/2010 |
| 7782484 | Image processing apparatus, image processing method, and recording medium storing program product for causing computer to function as image processing apparatus An image processing apparatus allowing efficient trapping/overprint is provided. A CPU of a printer serving as the image processing apparatus includes an object extraction unit extracting a component image from image data, a pair extraction unit extracting a pair fr... | 08/24/2010 |
| 7777914 | Image-processing device and method using combined color correction table An image-processing device adapted to the increased types of color printers without excessive manpower includes a common color correction unit, which carries out a conversion (color correction or customization) common to the models of color printers. Therefore, the ... | 08/17/2010 |
| 7777915 | Image control system and method A color image control system and method are provided for improving the image control of printing systems, including digital front-end processors, color printers and post-finishing system. This automatic image control system, including measurement and calibration, by... | 08/17/2010 |
| 7777916 | Method for producing a table of predicted reflectances under target operating conditions and data structure and printing system incorporating the table A printer is operated under a first set of conditions to create a first set of M number of samples and under a target set of conditions to create a second set of K samples. Each sample is produced using the same colorant(s). The actual spectral reflectance for each ... | 08/17/2010 |
| 7773257 | Color metric for halo artifacts A method of evaluating halo artifacts is described herein. The method utilizes a pattern of color patches, a color space and color difference metrics to analyze color changes which correlate to the amount of halo. The pattern of color patches is utilized in the CIE ... | 08/10/2010 |
| 7773256 | Estimating color of colorants mixed on a substrate Systems and methods are provided that accurately estimate a post-printing appearance of a color on a substrate. In addition, systems and methods are provided that accurately estimate a post-mixing appearance of several colors mixed on a substrate. ... | 08/10/2010 |
| 7773252 | Colorimetric-data correcting method Colorimetric data corresponding to corner grid points in an RGB color space, such as grid point P1, is used without correction. For grid points positioned on an edge, such as grid point P2, an average value is calculated for calorimetric data correspon... | 08/10/2010 |
| 7773253 | Gloss difference control in a plurality of networked image forming apparatus A gloss difference control method includes: forming a predetermined image on a sheet in each of a plurality of image forming apparatuses connected to a network; measuring a glossiness of the image formed on each sheet; and controlling a gloss difference among the pl... | 08/10/2010 |
| 7773254 | Method and system for improved copy quality in a multifunction reprographic system A method and system reconstructs a contone image from a binary image by first tagging pixels to identify one of a multiplicity of image content types. The tag information and the pattern of bits surrounding the pixel to be converted to a contone value are used to re... | 08/10/2010 |
| RE41483 | Position-retaining method and system for a scanning system capable of copy and facsimile In a computer network consisting of at least one host computer and computer peripheral devices, such as scanners, fax machines, and printers, a user may use a hot key on the scanner to copy, scan, e-mail, and faxing etc. via the control of an application program. An... | 08/10/2010 |
| 7773255 | Apparatus and method for detecting document tampering For detecting tampering made on a paper document, by carrying out image processing on grayscale image data optically read from the paper document, amplifying a predetermined grayscale value on the grayscale image data, and also, reducing the other grayscale values; ... | 08/10/2010 |
| 7773263 | Multimedia pen with image processing module to convert captured images for printing by a printer module A multimedia pen having a plurality of modular components with male and/or female connectors linkable via a four wire serial bus. The pen includes a camera module having an image sensor for capturing an image in an RGB (red, green, blue) color space, along with a ce... | 08/10/2010 |
| 7773262 | Image rendering method An image rendering method includes the following steps. Firstly, a source image is provided. Then, raster operations (ROPs) are performed on the source image by a first bit operating engine to obtain ROP values, and the source image are divided into at least one fir... | 08/10/2010 |
| 7773260 | Image forming apparatus, image forming method, computer program, and recording medium An image processing method is applied for recording an image on a recording medium using a plurality of color materials including a chromatic material and an achromatic material. A total amount of recording of the chromatic material is smaller than a total amount of... | 08/10/2010 |
| 7773261 | Setting of color processing parameters for digital imaging apparatus A method of setting color processing parameters for a digital imaging apparatus includes connecting a computer via a communication path to a digital imaging apparatus that produces color image data through color processing performed by a color processing unit on ima... | 08/10/2010 |
| 7773258 | Apparatus and method for performing a color separation process for determining an amount of a particular color recording material Color production with high chroma in a low lightness portion is realized by using an appropriate complementary color ink to a particular color ink reproducing the low lightness portion. More specially the device secondary color G-K is reproduced with ink of the pure... | 08/10/2010 |
| 7773259 | Hue adjusting device The invention provides a hue adjusting device. When one color axis including different hues is being adjusted by the user, the hue adjusting device will rotate each of the different hue angles in different rotation angles. Accordingly, the color of an image adjusted... | 08/10/2010 |
| 7768670 | Method and system for processing and rendering object oriented neutral image data A system and method processes object oriented image data by initially parsing the object oriented image data into non-neutral image data and neutral image data. A second parser circuit parses the neutral image data into black image data, grey image data, and white i... | 08/03/2010 |
| 7768671 | Color image gamut enhancement preserving spatial variation An image characterized by an original image gamut is received in an imaging device characterized by a device gamut. The original image gamut is enhanced to a first set of modified color values that occupy a greater fraction of the device gamut than the original imag... | 08/03/2010 |
| 7768672 | Spot color control system and method This disclosure relates generally to methods and systems for color management in image/text printing or display systems, and more particularly to a system and method for automatically achieving spot color production through use of a plurality of gain matrices per sp... | 08/03/2010 |
| 7764399 | Image processing apparatus and method of the same The invention discloses an image processing apparatus for adjusting the saturation of an input image. The input image also has lightness and hue. The image processing apparatus includes a first processing unit, a second processing unit, a third processing unit, and ... | 07/27/2010 |
| 7764400 | Hard copy out of gamut detection A method for representing out of gamut colors in a original printed image for an output device includes sampling the original printed image to identify colors for the original image, comparing the identified colors of the sampled original printed image with an outpu... | 07/27/2010 |
| 7764401 | Image forming apparatus and program product with plural setting modes and a conditionally displayed screen for adjusting color conversion An image forming apparatus includes an image data correcting unit, an image forming unit, a setting designation unit, a color conversion information storing unit and an adjusting screen displaying unit. The image data correcting unit is configured to correct image d... | 07/27/2010 |
| 7760398 | Color conversion table generation method and color conversion table generation device A color conversion table is generated by estimating a device color corresponding to the color of a grid point forming the color conversion table from a calorimetric value obtained by calorimetrically measuring a color of a gamut reproduced by an output device. In ad... | 07/20/2010 |
| 7760395 | Background color conversion for toner-saving printing A toner saving printing method and related computer program product is described. The program analyzes an input file to extract data that represents background, and if the background is a solid dark color, changes the background to a colorless or a lighter color bac... | 07/20/2010 |
| 7760394 | Shading compensation circuit and control method thereof A shading compensation circuit is provided which is capable of storing correction coefficients for shading compensation having optimal bit lengths, so that the data size of the correction coefficients can be reduced. The shading compensation circuit 10 for co... | 07/20/2010 |
| 7760396 | Image forming apparatus storing binary monochrome image data on internal memory and multi-level image data on external memory, image forming method, and computer program product An image forming apparatus includes an obtaining unit that obtains from outside multilevel image data in color mode for forming a color print, and obtains binary image data in monochrome mode for forming a black-and-white print. The image forming apparatus also incl... | 07/20/2010 |
