Invention Grant
- Patent Title: Adaptive post-deringing filter on compressed images
- Patent Title (中): 压缩图像上的自适应后置滤波器
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Application No.: US12139617Application Date: 2008-06-16
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Publication No.: US08195002B2Publication Date: 2012-06-05
- Inventor: Akira Osamoto , Osamu Koshiba
- Applicant: Akira Osamoto , Osamu Koshiba
- Applicant Address: US TX Dallas
- Assignee: Texas Instruments Incorporated
- Current Assignee: Texas Instruments Incorporated
- Current Assignee Address: US TX Dallas
- Agent Mima Abyad; Wade J. Brady, III; Frederick J. Telecky, Jr.
- Main IPC: G06K9/40
- IPC: G06K9/40

Abstract:
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.
Public/Granted literature
- US20080310750A1 Adaptive Post-Deringing Filter on Compressed Images Public/Granted day:2008-12-18
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