Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate
2004-09-15
2010-02-16
Dastouri, Mehrdad (Department: 2621)
Pulse or digital communications
Bandwidth reduction or expansion
Television or motion video signal
C375S240000, C375S240010, C375S240150
Reexamination Certificate
active
07664177
ABSTRACT:
An encoder/decoder uses intra-coded B-fields [“BI-fields”]. For example, rather than encoding many of the macroblocks in a field as intra macroblocks at a scene change, an encoder can choose to encode the entire field as intra. Encoding an entire field as a BI-field allows increased coding efficiency through reduced coding overhead at macroblock level, and without intra-frame dependency, the BI-field can still be dropped if appropriate in low-bitrate applications.
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Dastouri Mehrdad
Klarquist & Sparkman, LLP
Microsoft Corporation
Werner David N
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