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Browse by Category: Main > Communications
Class Information
Number: 358/521
Name: Facsimile and static presentation processing > Natural color facsimile > Color correction > Gradation
Description: Subject matter for controlling an optical color density of an image.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
8711435 Method for correcting integrating cavity effect for calibration and/or characterization targets Apr. 29, 2014
8711441 Image forming apparatus, image forming method, and computer readable medium for identifying target-recording element using detection pattern Apr. 29, 2014
8711454 Image scanner and image forming apparatus Apr. 29, 2014
8705123 Image forming apparatus, image forming method, and program Apr. 22, 2014
8705135 Display control apparatus and method of creating look-up table Apr. 22, 2014
8693051 High density ink-jet printing on a transparency Apr. 8, 2014
8687251 Image processing apparatus, image processing method, computer program, and recording medium Apr. 1, 2014
8687236 Ink restriction determination Apr. 1, 2014
8687230 Image processor Apr. 1, 2014
8681373 Image forming apparatus and image forming method thereof to print alternative images at an interval during a print job Mar. 25, 2014
8681385 Image processing apparatus Mar. 25, 2014
8654393 Image processor and image processing method Feb. 18, 2014
8654419 Image forming apparatus and image density detecting method Feb. 18, 2014
8643902 Bi-color-image-signal generating apparatus, method, and computer program product, and image forming system, using relative brightness of two specified colors Feb. 4, 2014
8606008 Image processing device, image processing method, image processing program, and integrated circuit Dec. 10, 2013
8587851 Target color recipes Nov. 19, 2013
8587850 Image processing apparatus, image processing method and image scanning apparatus Nov. 19, 2013
8582180 Image forming apparatus and image forming method with image density correction Nov. 12, 2013
8570407 Imaging apparatus, image processing program, image processing apparatus, and image processing method Oct. 29, 2013
8564861 Providing calibration data for printer Oct. 22, 2013
8564862 Apparatus, method and program for reducing deterioration of processing performance when graduation correction processing and noise reduction processing are performed Oct. 22, 2013
8553300 Image forming apparatus configured to reduce the number of sheets to be output for gradation correction while maintaining gradation stability Oct. 8, 2013
8537439 Print calibration processing apparatus, image forming apparatus, print calibration processing method and image forming method Sep. 17, 2013
8531722 Color compensation apparatus and method, image forming apparatus, and computer readable recording medium Sep. 10, 2013
8531745 Image formation density correction in image forming apparatus Sep. 10, 2013
8526059 Printing calibration processing apparatus, image forming apparatus, and printing calibration processing method Sep. 3, 2013
8514468 Image forming apparatus Aug. 20, 2013
8498029 Apparatus and method for reading color chart and computer-readable storage medium Jul. 30, 2013
8493465 Color processing method, program therefor, and image pickup apparatus Jul. 23, 2013
8493614 Methods and systems for calibrating a source and destination pair Jul. 23, 2013
8488221 Printing device for printing images with ink and printing method for the same Jul. 16, 2013
8482826 Image processing apparatus, printing apparatus and image processing method Jul. 9, 2013
8482804 Image processing apparatus and image processing method Jul. 9, 2013
8482794 Image processing apparatus, spatial frequency conversion method for image processing apparatus and recording medium Jul. 9, 2013
8477372 Updating an image quality metric database to account for printer drift Jul. 2, 2013
8477397 Print data generating configuration that enables an image print to have a tolerance for image quality degradation against variations of print characteristics between printing elements of a pri Jul. 2, 2013
8467093 Image processing apparatus and computer program product storing image and print setting information associated with index used to suppress toner consumption Jun. 18, 2013
8456704 Colorimetric matching the perception of a digital data file to hardcopy legacy Jun. 4, 2013
8437043 Compression of grayscale image data using multi-bit halftoning May. 7, 2013
8421814 Display device and method of driving the same Apr. 16, 2013
8422103 Optimization of gray component replacement Apr. 16, 2013
8422898 Image forming apparatus Apr. 16, 2013
8411320 Image forming apparatus performing color shift correction process on binary data Apr. 2, 2013
8411327 Data processing device, image forming device, system, and a computer-readable recording medium for determining whether or not image is properly formed on recording medium Apr. 2, 2013
8395812 Apparatus and method of concealing information of image data Mar. 12, 2013
8390892 Spot color printing color conversion program, color conversion device and color conversion method Mar. 5, 2013
8379269 Image forming apparatus and image forming method for correcting registration deviation Feb. 19, 2013
8369602 Length measurement system Feb. 5, 2013
8369645 Image correction circuit, image correction method and image display Feb. 5, 2013
8369646 Image correction circuit, image correction method and image display Feb. 5, 2013

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