| 摘要 |
A video processor receives coded digital image data which is decoded into MPEG compatible pixel blocks. The pixel blocks are horizontally and vertically decimated to produce a reduced size image suitable for picture-in-picture, picture-on-picture, or picture-in-graphics display. Decoded input data to the decimation network is alias filtered and decimated at a factor of 8 to 3. Decimated output pixel data is derived solely from a respectively associated decoded input pixel block.
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