Reduction of blocking artifacts in image decompression systems
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United States of America Patent
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Aug 20, 2013
Grant Date -
Dec 31, 2009
app pub date -
Nov 12, 2007
filing date -
Nov 10, 2006
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Abstract
A method and apparatus for reducing blocking artefacts in a decompressed image signal includes inputting the decompressed video signal and detecting locations of block and image content edges therein. Image content and block edges are discriminated between to remove or conceal the image content edges and the remaining block edges transformed to produce an error correcting signal to smooth the block edges at the detected locations in a delayed version of the decompressed video signal.
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