Video decompression, de-interlacing and frame rate conversion with frame buffer compression
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United States of America Patent
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Issued Date -
Oct 30, 2008
app pub date -
Apr 26, 2007
filing date -
Apr 26, 2007
priority date (Note) -
Abandoned
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Abstract
Inter-frame and intra-frame block pixel compression means are applied to re-compress the decompressed video field/frame for future digital video decompression, de-interlacing and frame conversion. The motion vectors, MVs, decompressed from the compressed video field/frame are temporarily saved in a buffer for future inter-frame coding of block by block re-compression. If the input video frames are uncompressed or decompressed fields/frames, they will be compressed before saving into an off-chip frame buffer, later, the accessed lines of compressed pixels of at least two fields/frames will be used for de-interlacing and frame rate conversion. If the corresponding MV is out of the predetermined threshold, inter-frame coding will be skipped and only intra-frame coding is applied.
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