Foreground/background segmentation in digital images
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United States of America Patent
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May 1, 2012
Grant Date -
Nov 3, 2011
app pub date -
May 2, 2011
filing date -
Aug 16, 2004
priority date (Note) -
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Abstract
An analysis and classification tool compares at least a portion of a captured image and a reference image of nominally the same scene. One of the captured and reference images is taken with flash and the other is taken without flash. The tool provides a measure of the difference in illumination between the captured image and the reference image. The tool compares the measure with a threshold and segments a foreground region from a background region based on the measure.
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