Apparatus and method for coding a picture and apparatus and method for decoding a picture
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United States of America Patent
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Jun 19, 2001
Grant Date -
N/A
app pub date -
Feb 18, 1998
filing date -
Jun 19, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
In a picture coding apparatus, a picture reproducing section is prepared at the latter part of the picture coding apparatus, detection of noise existing in a reproduced picture and selection of an appropriate filter to correct the reproduced picture according to characteristics of noise are carried out by comparing the input picture and the reproduced picture and information concerning a picture and information concerning a filter are multiplexed to transmit. And in a picture decoding apparatus, the information concerning the picture and the information concerning the filter are extracted from input signals, a picture is reproduced from the information concerning the picture and the filter to correction process to the reproduced picture is switched according to the information concerning filter.
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