Data encoding method and apparatus, data decoding method and apparatus and recording medium
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United States of America Patent
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Dec 18, 2001
Grant Date -
N/A
app pub date -
Nov 27, 1998
filing date -
Mar 28, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A data encoding method including an encoding step of encoding data using wavelet transform and a multiplexing/transmitting step of appending the information on encoding used for decoding on the decoder side to a bitstream of data encoded using the wavelet transform for transmitting the resulting information. This enables switching of filters depending on the picture or the computational capability that can be furnished by an apparatus and desirable initial setting depending on the input picture or bitrate to realize good picture quality.
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