发明授权
- 专利标题： Method and apparatus for detecting image blocking artifacts
- 专利标题（中）： 用于检测图像块伪影的方法和装置
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申请号： US12460764申请日： 2009-07-24
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公开(公告)号： US08315475B2公开(公告)日： 2012-11-20
- 发明人: Joel Sole , Peng Yin
- 申请人： Joel Sole , Peng Yin
- 申请人地址： FR Boulogne-Billancourt
- 专利权人： Thomson Licensing
- 当前专利权人： Thomson Licensing
- 当前专利权人地址： FR Boulogne-Billancourt
- 代理商 Robert D. Shedd; Paul P. Kiel; Guy H. Eriksen
- 主分类号： G06K9/36
- IPC分类号： G06K9/36 ; G06K9/40 ; G06K9/46
摘要：
A method and apparatus are provided for detecting image blocking artifacts. The apparatus includes a full-reference blocking artifact detector for detecting blocking artifacts in a processed version of a picture based on a blockiness metric. The blockiness metric is determined based on respective local variations in the processed version of the picture and in an original version of the picture.
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