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METHOD AND SYSTEM FOR IMPROVING COMPRESSED IMAGE C

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专利名称:METHOD AND SYSTEM FOR IMPROVING

COMPRESSED IMAGE CHROMAINFORMATION

发明人:Gary A. Demos申请号:US13325695申请日:20111214

公开号:US20120087408A1公开日:20120412

专利附图:

摘要:Methods, systems, and computer programs for improving compressed imagechroma information. In one aspect of the invention, a resolution for a red color

component of a color video image is used that is higher than the resolution for a bluecolor component of the color video image. Another aspect includes utilizing a lower orhigher value of a quantization parameter (QP) for one or more chroma channels ascompared to the luminance channel. Another aspect is use of a logarithmic

representation of a video image to benefit image coding. Another aspect uses more thantwo chroma channels to represent a video image.

申请人:Gary A. Demos

地址:Culver City CA US

国籍:US

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