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US09124872B2 Coefficient groups and coefficient coding for coefficient scans 有权
系数组和系数扫描系数编码

Coefficient groups and coefficient coding for coefficient scans
Abstract:
Techniques are described for a video coder (e.g., video encoder or video decoder) that is configured to select a context pattern from a plurality of context patterns that are the same for a plurality of scan types. Techniques are also described for a video coder that is configured to select a context pattern that is stored as a one-dimensional context pattern and identifies contexts for two or more scan types.
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