Digital signal coding, decoding and transmission, with decomposition into frequency sub-bands and segmentation
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United States of America Patent
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Mar 23, 2004
Grant Date -
N/A
app pub date -
Jun 15, 2000
filing date -
Jun 15, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention concerns a method of coding a set of data (IM) representing physical quantities, characterized in that it includes the steps of: decomposing (E20) the set of data into a plurality of frequency sub-bands on at least one resolution level, then, for each resolution level, segmenting (E23, E26) at least one sub-band into at least two homogeneous regions, in order to form a segmentation map, ordering (E30, E33) the regions according to a predetermined criterion, coding (E21) the sub-bands of the resolution level under consideration, ordering (E31, E34) the coding data of the sub-bands as a function of the order of the regions.
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