Method and apparatus of image buffer compression for display device
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United States of America Patent
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Issued Date -
Apr 12, 2007
app pub date -
Oct 6, 2005
filing date -
Oct 6, 2005
priority date (Note) -
Abandoned
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Abstract
A method and apparatus for reducing the density of a frame buffer image for display device is presented. The source image is compressed before storing into a temporary frame buffer and decompressed before displaying in a display device. When a new object is to be display into the previous frame, the starting and ending position of each line and segment which the new object pixels reside are calculated and the corresponding segments of pixels are decompressed to be concatenated with the new object pixels and re-compressed before storing into the frame buffer.
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