Invention Grant
US08184710B2 Adaptive truncation of transform coefficient data in a transform-based digital media codec
有权
在基于变换的数字媒体编解码器中自适应截断变换系数数据
- Patent Title: Adaptive truncation of transform coefficient data in a transform-based digital media codec
- Patent Title (中): 在基于变换的数字媒体编解码器中自适应截断变换系数数据
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Application No.: US11772077Application Date: 2007-06-29
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Publication No.: US08184710B2Publication Date: 2012-05-22
- Inventor: Sridhar Srinivasan , Chengjie Tu , Shankar Regunathan
- Applicant: Sridhar Srinivasan , Chengjie Tu , Shankar Regunathan
- Applicant Address: US WA Redmond
- Assignee: Microsoft Corporation
- Current Assignee: Microsoft Corporation
- Current Assignee Address: US WA Redmond
- Agency: Klarquist Sparkman, LLP
- Main IPC: H04N7/12
- IPC: H04N7/12 ; H04N11/04
Abstract:
A block transform-based digital media codec has a signaling scheme and bitstream syntax to flexibly signal that truncation of less significant information bits of transform coefficients coded as an optional layer of the bitstream has been performed adaptively per region or tile of the image.
Public/Granted literature
- US20080198933A1 ADAPTIVE TRUNCATION OF TRANSFORM COEFFICIENT DATA IN A TRANSFORM-BASED DITIGAL MEDIA CODEC Public/Granted day:2008-08-21
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