Invention Grant
- Patent Title: Fast implementation of context selection of significance map
- Patent Title (中): 快速实现上下文选择的意义图
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Application No.: US13349267Application Date: 2012-01-12
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Publication No.: US08634669B2Publication Date: 2014-01-21
- Inventor: Cheung Auyeung , Wei Liu
- Applicant: Cheung Auyeung , Wei Liu
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Haverstock & Owens LLP
- Main IPC: G06K9/36
- IPC: G06K9/36 ; G06K9/46 ; H04B1/66 ; H04N11/02
Abstract:
A fast implementation context selection of a significance map includes caching the significance of each coefficient in a buffer, storing an extended significance map in an extended buffer and updating the extended significance map after the significance of a transform coefficient is determined by the encoder or the decoder.
Public/Granted literature
- US20120183236A1 FAST IMPLEMENTATION OF CONTEXT SELECTION OF SIGNIFICANCE MAP Public/Granted day:2012-07-19
Information query
