Apparatus and method for compensating compression blocking artifacts based on gray value comparisons of adjacent blocks
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United States of America Patent
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May 11, 2010
Issued Date -
N/A
app pub date -
Jan 12, 2006
filing date -
Jan 14, 2005
priority date (Note) -
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Abstract
An apparatus and method for compensating images in a display device is disclosed. Distortion ratios of image blocks are calculated based on a gray value difference between each of a plurality of pairs of pixels in the image blocks that face each other at a boundary between the image blocks. Compensation parameters are set based on the calculated block distortion ratios. Distortion compensation values of the image blocks are calculated based on the gray value difference and the set compensation parameters. The image blocks are then compensated according to the calculated distortion compensation values.
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