Hybrid temporal-SNR fine granular scalability video coding
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United States of America Patent
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Oct 28, 2003
Grant Date -
N/A
app pub date -
Jun 9, 2000
filing date -
Nov 23, 1999
priority date (Note) -
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Abstract
The present invention is directed to fine granular coding technique that includes both quality and temporal scalability. This is accomplished by utilizing a hybrid temporal/SNR scalability structure that is readily adaptable to fine granular coding techniques. In one example of this structure, temporal enhancement frames and FGS enhancement frames are included in a single enhancement layer. In another example, two distinct enhancement layers are used to achieve the hybrid temporal-SNR scalability. The two layers include a temporal scalability layer to achieve the temporal enhancement for the base-layer (i.e., better motion), while an FGS layer is used to improve the quality SNR of the base-layer and/or the temporal-scalability enhancement layer.
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