Method and apparatus for qualitative spatiotemporal data processing
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United States of America Patent
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Mar 18, 2003
Grant Date -
Nov 22, 2001
app pub date -
Mar 12, 2001
filing date -
Mar 10, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention is embodied in a method for representing and analyzing spatiotemporal data in order to make qualitative yet semantically meaningful distinctions among various regions of the data at an early processing stage. In one embodiment of the invention, successive frames of image data are analyzed to classify spatiotemporal regions as being stationary, exhibiting coherent motion, exhibiting incoherent motion, exhibiting scintillation and so lacking in structure as to not support further inference. The exemplary method includes filtering the image data in a spatiotemporal plane to identify regions that exhibit various spatiotemporal characteristics. The output data provided by these filters is then used to classify the data.
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