发明名称 |
Apparatus for evaluating digital picture quality |
摘要 |
An apparatus for evaluating digital picture quality, includes a SNR calculation module for calculating a SNR based upon differences between data of video picture to be evaluated and data of original video picture, a module for calculating a power of AC component of overall data of one of the video pictures in a frame, and a weighting module for weighting the calculated SNR based upon the calculated power of the AC component.
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申请公布号 |
US6239834(B1) |
申请公布日期 |
2001.05.29 |
申请号 |
US19970775876 |
申请日期 |
1997.01.02 |
申请人 |
KOKUSAI DENSHIN DENWA CO., LTD. |
发明人 |
MIYAJI SATOSHI;HAMADA TAKAHIRO;MATSUMOTO SHUICHI |
分类号 |
H04N17/00;(IPC1-7):H04N17/00;H04N17/02 |
主分类号 |
H04N17/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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