Method of image frame compression
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United States of America Patent
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Issued Date -
Jul 24, 2008
app pub date -
Jan 23, 2007
filing date -
Jan 23, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An image frame is compressed segment by segment by applying a lossless compression algorithm to the segment of pixels with simple pattern and a lossy algorithm to the segment with complex pattern. A segment comprising at least one homogenous area and one complex area will be compressed separately by assigning a lossless compression algorithm to compress the homogenous area and a lossly algorithm to compress the complex area. Another mechanism of partitioning a segment into multiple sub-segments with each sub-segment being compressed by one compression algorithm also helps in reducing the error in the homogenous area.
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