APPARATUS AND METHOD FOR IN-LOOP FILTERING OF IMAGE DATA AND APPARATUS FOR ENCODING/DECODING IMAGE DATA USING THE SAME
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United States of America Patent
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Issued Date -
Dec 30, 2010
app pub date -
Jun 30, 2010
filing date -
Jun 30, 2009
priority date (Note) -
Abandoned
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Abstract
An in-loop filtering apparatus for eliminating an error of deblocking-filtered image data in an encoder of image data, the apparatus including: an in-loop filter generator which generates in-loop filters using different filter coefficients for a block boundary and a block inside of the deblocking-filtered image; an in-loop filter applier which performs selective filtering on at least one of the block boundary and the block inside using the generated in-loop filters; and an in-loop filter information generator which generates in-loop filter information including at least one of coefficients of the generated in-loop filters, information indicating an area to which in-loop filtering is applied between the block boundary and the block inside, a size of a block to which in-loop filtering is applied, and a flag indicating whether to use an in-loop filter generated for a current frame or an in-loop filter generated for a previous frame.
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