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Class Information
Number: 345/596
Name: Computer graphics processing, operator interface processing, and selective visual display systems > Computer graphics processing > Attributes (surface detail or characteristic, display attributes) > Color or intensity > Dither or halftone
Description: Subject matter where a color (which may be a shade of gray) of an image, which would otherwise not be displayable, is reproduced by using pixels of varying size, density, placement, or color to give the impression of areas of gray or to approximate an undisplayable color.

Sub-classes under this class:

Class Number Class Name Patents
345/597 Color 282
345/599 Spatial 68

Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8711172 Dithering method and apparatus Apr. 29, 2014
8711173 Reproducible dither-noise injection Apr. 29, 2014
8704848 Calibration system and method thereof for calibrating display Apr. 22, 2014
8705133 High dynamic range display systems Apr. 22, 2014
8693058 Image forming apparatus and image forming method to provide multi-bit data by combining a plurality of successive binary data Apr. 8, 2014
8670625 Image coding method, image coding apparatus, image decoding method and image decoding apparatus Mar. 11, 2014
8649597 Image processing apparatus and control method thereof detecting from a histogram a gradation level whose frequency is a peak value Feb. 11, 2014
8638339 Method for correcting pixel data, and display apparatus for performing the method Jan. 28, 2014
8576451 Versatile moire-free halftone geometry that uses frequency vector shearing Nov. 5, 2013
8565522 Enhancing color images Oct. 22, 2013
8565548 Image processing apparatus which performs anti-aliasing on input image data and image processing method thereof Oct. 22, 2013
8547394 Arranging and processing color sub-pixels Oct. 1, 2013
8542408 High dynamic range display systems Sep. 24, 2013
8537176 Method and apparatus for generating dithered image data for stereoscopic image display Sep. 17, 2013
8508556 Image display method Aug. 13, 2013
8494303 Image processing apparatus and image processing method for adaptively processing an image using an enhanced image and pixel values of an original image Jul. 23, 2013
8488039 Digital image processing apparatus capable of displaying color distribution chart and method of operating the same Jul. 16, 2013
8478066 Image-correction method and image pickup apparatus Jul. 2, 2013
8471864 Image processor and image processing method employing a dither pattern having sub-dither patterns Jun. 25, 2013
RE44241 Method and apparatus for providing translucent images on a computer display May. 28, 2013
8452122 Device, method, and computer-readable medium for image restoration May. 28, 2013
8451298 Multi-level stochastic dithering with noise mitigation via sequential template averaging May. 28, 2013
8451289 Systems and methods for dither structure creation and application May. 28, 2013
8451288 Image signal processing apparatus May. 28, 2013
8437046 Image processing apparatus and method for outputting an image subjected to pseudo-halftone processing May. 7, 2013
8416256 Programmable dithering for video displays Apr. 9, 2013
8411105 Method and system for computing pixel parameters Apr. 2, 2013
8411987 Method and apparatus for contrast enhancement Apr. 2, 2013
8411992 Image processing device and associated methodology of processing gradation noise Apr. 2, 2013
8406563 Photometric calibration method and device Mar. 26, 2013
8400464 Liquid crystal display and method for image-dithering compensation Mar. 19, 2013
8400463 Data processing module for generating dithered data and method thereof Mar. 19, 2013
8390638 Image compensation methods, systems, and apparatuses for organic light emitting diode display panel Mar. 5, 2013
8390647 Image processing system and method Mar. 5, 2013
8384959 Threshold matrix generating method, image data generating method, image data generating apparatus, image recording apparatus and recording medium Feb. 26, 2013
8379038 Color display apparatus and method therefor Feb. 19, 2013
8355176 Image processing apparatus and image processing method for halftoning screen processing Jan. 15, 2013
8330770 System and method for improving the quality of halftone video using an adaptive threshold Dec. 11, 2012
8305394 System and method for improving the quality of halftone video using a fixed threshold Nov. 6, 2012
8299817 Circuit and method for adding dither to vertical droop compensation using linear feedback shift registers Oct. 30, 2012
8291013 Communication apparatus and storage medium storing program Oct. 16, 2012
8274531 Display apparatus for projecting overlapping windows with light modulation valves Sep. 25, 2012
8253756 Circuit for performing dithering on pixels of a display and method thereof Aug. 28, 2012
8248662 Image forming apparatus and method thereof Aug. 21, 2012
8243093 Systems and methods for dither structure creation and application for reducing the visibility of contouring artifacts in still and video images Aug. 14, 2012
8229240 Transferring the look of an image Jul. 24, 2012
8229251 Pre-processing optimization of an image processing system Jul. 24, 2012
8223166 Input gamma dithering systems and methods Jul. 17, 2012
8217967 Display, liquid crystal display, and data processing method for reducing interference due to noise Jul. 10, 2012
8213733 Image processing apparatus, image processing method, computer program and storage medium Jul. 3, 2012

1 2 3 4 5 6 7

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