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Browse by Category: Main > Optical & Optics
Class Information
Number: 382/269
Name: Image analysis > Image enhancement or restoration > Edge or contour enhancement > Minimize jaggedness in edges (e.g., anti-aliasing)
Description: Subject matter which includes processing to reduce the "stair-step" effect at curved edges of characters or other objects to accurately represent the high frequency detail of the original image.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8712182 Image processing device, image processing method, and program Apr. 29, 2014
8711170 Edge alphas for image translation Apr. 29, 2014
8703037 Edge smoothness with low resolution projected images for use in solid imaging Apr. 22, 2014
8687240 Image processing apparatus and control method for performing screen processing Apr. 1, 2014
8682094 Adaptive subpixel-based downsampling and filtering using edge detection Mar. 25, 2014
8644601 Reducing contours in digital images Feb. 4, 2014
8644639 System and method for reduction of block noise Feb. 4, 2014
8630017 Ink jet printing apparatus that identifies a region adjacent to a character for a thinning operation Jan. 14, 2014
8625860 Adaptive face recognition using online learning Jan. 7, 2014
8614703 Automatic border alignment of objects in map data Dec. 24, 2013
8605103 Image quality configuration apparatus, system and method Dec. 10, 2013
8577178 Image processing device, image display device, and image data producing method Nov. 5, 2013
8576309 Pixel defect correction device, imaging apparatus, pixel defect correction method, and program Nov. 5, 2013
8565548 Image processing apparatus which performs anti-aliasing on input image data and image processing method thereof Oct. 22, 2013
8559745 Image signal processor and method for image enhancement Oct. 15, 2013
8559749 Audiovisual content delivery system Oct. 15, 2013
8554008 Anti-aliasing system and method Oct. 8, 2013
8554007 Image processing apparatus, image processing method, and computer-readable storage medium for computer program Oct. 8, 2013
8547599 Color image forming apparatus and color image correcting method Oct. 1, 2013
8537903 De-blocking and de-ringing systems and methods Sep. 17, 2013
8498019 Image forming apparatus that emphasizes a boundary between two objects using a halftoning process Jul. 30, 2013
8488900 Identifying and redressing shadows in connection with digital watermarking and fingerprinting Jul. 16, 2013
8483505 Rendering piece-wise smooth image from colour values along paths Jul. 9, 2013
8472083 Intra prediction apparatus and intra prediction method using first blocks obtained by dividing a picture and second blocks obtained by dividing the first block Jun. 25, 2013
8471865 System, method and apparatus for an edge-preserving smooth filter for low power architecture Jun. 25, 2013
8456483 Image color balance adjustment for display panels with 2D subixel layouts Jun. 4, 2013
8427500 Spatially aware sub-pixel rendering Apr. 23, 2013
8428387 Edge evaluation method, edge detection method, image correction method, and image processing system Apr. 23, 2013
8422100 Method and apparatus for converting color-describing input data, which are suitable for graphical output using an output device, into color-describing adapted output data Apr. 16, 2013
8411760 System, method, and apparatus for displaying pictures Apr. 2, 2013
8406527 Pattern model positioning method in image processing, image processing apparatus, image processing program, and computer readable recording medium Mar. 26, 2013
8406553 Poisson disk sample maps Mar. 26, 2013
8396323 Method and apparatus for measuring blockiness in video images Mar. 12, 2013
8350867 Image quality configuration apparatus, system and method Jan. 8, 2013
8339642 Apparatus, method, and system for processing character data Dec. 25, 2012
8331720 Image processing device, method, and program Dec. 11, 2012
8314812 Method and apparatus for displaying anti-aliased text over graphical display background Nov. 20, 2012
8311329 Relative threshold and use of edges in optical character recognition process Nov. 13, 2012
8306289 Method and system for off-resonance correction for non-cartesian parallel image reconstruction Nov. 6, 2012
8295632 System and method for edge-enhancement of digital images using wavelets Oct. 23, 2012
8295633 System and method for an adaptive de-blocking filter after decoding of compressed digital video Oct. 23, 2012
8279347 System of edge direction detection for comb filter Oct. 2, 2012
8270498 Dynamic dithering for video compression Sep. 18, 2012
8260089 Orientation adapted aliasing cancellation Sep. 4, 2012
8248662 Image forming apparatus and method thereof Aug. 21, 2012
8237738 Smooth rasterization of polygonal graphics primitives Aug. 7, 2012
8237991 Image processing apparatus, image processing method, and program Aug. 7, 2012
8228561 Method and system for selective bitmap edge smoothing Jul. 24, 2012
8224107 Method and system for signal processing, for instance for mobile 3D graphic pipelines, and computer program product therefor Jul. 17, 2012
8212900 Method and apparatus providing color interpolation in color filter arrays using edge detection and correction terms Jul. 3, 2012

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