US Patent No: 8,195,002

Number of patents in Portfolio can not be more than 2000

Adaptive post-deringing filter on compressed images

ALSO PUBLISHED AS: 20080310750

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Importance

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Abstract

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An image filtering method, apparatus and system, wherein the method comprising the steps of detecting at least one portion of an edge, wherein the portion of the edge provides an indication that ringing artifact are probable; subjecting at least one portion of a pixel, related to the at least a portion of the edge, to a low pass filter to produce a filtered pixel; and blending the filtered pixel with a value relating to the filter prior to filtering to produce a filtered image.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
TEXAS INSTRUMENTS INCORPORATEDDALLAS, TX17997

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Koshiba, Osamu Ibaraki, JP 27 187
Osamoto, Akira Ibaraki, JP 30 118

Cited Art Landscape

Patent Info (Count) # Cites Year
 
ENTROPIC COMMUNICATIONS, INC. (1)
2007/0071,095 De-blocking and de-ringing systems and methods 30 2005
 
PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA (1)
2005/0141,619 Block distortion detection method, block distortion detection apparatus, block distortion removal method, and block distortion removal apparatus 3 2005

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
SILICON IMAGE, INC. (2)
8,559,746 System, method, and apparatus for smoothing of edges in images to remove irregularities 0 2008
8,452,117 Block noise detection and filtering 0 2010

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