Image analysis – Image compression or coding – Shape – icon – or feature-based compression
Reexamination Certificate
2006-01-31
2006-01-31
Patel, Kanjibhai (Department: 2625)
Image analysis
Image compression or coding
Shape, icon, or feature-based compression
C382S233000, C375S240080, C375S240110
Reexamination Certificate
active
06993201
ABSTRACT:
A video coding system that codes video objects as scalable video object layers. Data of each video object may be segregated into one or more layers. A base layer contains sufficient information to decode a basic representation of the video object. Enhancement layers contain supplementary data regarding the video object that, if decoded, enhance the basic representation obtained from the base layer. The present invention thus provides a coding scheme suitable for use with decoders of varying processing power. A simple decoder may decode only the base layer of video objects to obtain the basic representation. However, more powerful decoders may decode the base layer data of video objects and additional enhancement layer data to obtain improved decoded output. The coding scheme supports enhancement of both the spatial resolution and the temporal resolution of video objects.
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Haskell Barin Geoffry
Puri Atul
Schmidt Robert Lewis
AT&T Corp.
Bayat Ali
Patel Kanjibhai
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