发明名称 |
Method and apparatus for resizing a compressed image |
摘要 |
<p>A method (300; 500) and apparatus (100) for reducing information artifacts imparted to a decoded video information stream by an MPEG-like decoder utilizing discrete transform (DCT) domain compression to produce a size-reduced reference image information frame. Specifically, embodiments of the present invention responsively selects one of a plurality of pre-defined DCT coefficient matrices in response to the amount of compression to be imparted to the reference image information frame, and the presence or absence of field-mode encoding the reference image information frame. <IMAGE></p> |
申请公布号 |
EP0955608(B1) |
申请公布日期 |
2003.07.09 |
申请号 |
EP19990303309 |
申请日期 |
1999.04.28 |
申请人 |
SARNOFF CORPORATION |
发明人 |
FLORENCIO, DINEI AFONSOO FERREIRA |
分类号 |
H04N1/415;G06T3/40;G06T9/00;H04N7/26;H04N7/30;H04N7/36;H04N7/46;H04N7/50;(IPC1-7):G06T9/00 |
主分类号 |
H04N1/415 |
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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