Tracking objects between images
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United States of America Patent
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Nov 21, 2017
Issued Date -
N/A
app pub date -
May 26, 2017
filing date -
May 23, 2011
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Abstract
Systems and methods track one or more points between images. A point for tracking may be selected, at least in part, on a determination of how discriminable the point is relative to other points in a region containing the point. A point of an image being tracked may be located in another image by matching a patch containing the point with another patch of the other image. A search for a matching patch may be focused in a region that is determined based at least in part on an estimate of movement of the point between images. Points may be tracked across multiple images. If an ability to track one or more points is lost, information about the points being tracked may be used to relocate the points in another image.
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