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. &lt;IMAGE&gt;</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
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