Person/object image and screening
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United States of America Patent
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Oct 30, 2012
Grant Date -
N/A
app pub date -
Jun 25, 2009
filing date -
Jan 29, 2007
priority date (Note) -
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Abstract
A first set of unknown pixels is determined for which being located in the foreground portion does not in-and-of-itself determine the pixel to be part of the foreground. A second set of unknown pixels is determined for which being in a current background portion does not in-and-of-itself determine the pixel to be part of the background. A determination is made for the first and second set of unknown pixels whether the pixel is part of the background or foreground based on temporal data. Extracting an image of the foreground that does not include the current background based on the determination of whether the pixel is part of the foreground, the current background, and temporal data. In an embodiment, the system can use multiple types of sensors to determine whether an entity is a likely security risk.
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Family
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