Method and apparatus for restoring compressed image processing system and method of decoding a current image
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United States of America Patent
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Aug 26, 2003
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N/A
app pub date -
Aug 26, 2005
filing date -
Nov 13, 1998
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Abstract
The present invention relates to an image processing technique, and in particular to a method for restoring a compressed image by using a hybrid motion compensation discrete cosine transform (hybrid MC/DCT) mechanism, including: a step of defining a smoothing functional having a smoothing degree of an image and reliability for an original image by pixels having an identical property in image block units; and a step of computing a restored image by performing a gradient operation on the smoothing functional in regard to the original image, thereby preventing the blocking artifacts and the ringing effects in regard to the pixels having an identical property in image blocks.
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