Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate
2004-09-02
2009-08-18
Diep, Nhon T (Department: 2621)
Pulse or digital communications
Bandwidth reduction or expansion
Television or motion video signal
Reexamination Certificate
active
07577198
ABSTRACT:
Techniques and tools for signaling the number of reference fields for an interlaced forward-predicted field are described. For example, a video decoder processes a first signal indicating whether an interlaced forward-predicted field has one or two reference fields for motion compensation. If the first signal indicates the interlaced forward-predicted field has one reference field, the decoder processes a second signal identifying the one reference field from among the two reference fields. On the other hand, if the first signal indicates the interlaced forward-predicted field has two reference fields, for each of multiple motion vectors of the interlaced forward-predicted field, the decoder processes a third signal for selecting between the two reference fields. A video encoder performs corresponding signaling.
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Diep Nhon T
Klarquist & Sparkman, LLP
Microsoft Corporation
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