Digital signal analysis, with hierarchical segmentation
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United States of America Patent
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Sep 21, 2004
Grant Date -
Aug 23, 2001
app pub date -
Dec 1, 2000
filing date -
Dec 3, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention concerns a method of analyzing a set of data representing physical quantities, including the steps of: decomposition (E20) of the set of data on a plurality of resolution levels, first segmentation (E21) of at least one sub-part of a given resolution level, into at least two homogeneous regions, said given resolution level not being the highest resolution level in the decomposition, characterized in that it includes the steps of: extraction (E81) of contour data from the result of the segmentation of the previous steps, second segmentation (E25) of at least one sub-part of the resolution level higher than the given level into at least one homogeneous region, as a function of the contour data extracted.
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