Invention Grant
US08195002B2 Adaptive post-deringing filter on compressed images 有权
压缩图像上的自适应后置滤波器

Adaptive post-deringing filter on compressed images
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.
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