Method and system for improving compressed image chroma information

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United States of America Patent

SERIAL NO

09905039

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Methods, systems, and computer programs for improving compressed image chroma 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 blue color component of the color video image. Another aspect includes utilizing a lower or higher value of a quantization parameter (QP) for one or more chroma channels as compared to the luminance channel. Another aspect is use of a logarithmic representation of a video image to benefit image coding. Another aspect uses more than two chroma channels to represent a video image.

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Patent Owner(s)

Patent OwnerAddress
DOLBY LABORATORIES LICENSING CORPORATION100 POTRERO AVENUE SAN FRANCISCO CA 94103
DOLBY LABORATORIES INC100 POTERO AVENUE SAN FRANCISCO CA 94103

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Demos, Gary A Culver City, CA 75 3571

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