Method and apparatus for adaptive mean shift tracking
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United States of America Patent
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Issued Date -
Oct 11, 2007
app pub date -
Apr 5, 2006
filing date -
Apr 5, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a method and apparatus for adaptive mean shift tracking. In one aspect of the invention, there is provided a method that allows the tracking of an object, with an associated target model, through successive frames of a sequence using a mean shift kernel that has an adjustable scale, and the adjustable scale is automatically updated. In another aspect, the invention the target model is updated as the object continues to move in successive frames. In yet another aspect of the invention, the step of automatically updating further refines the estimate of the new spatial location of the object within the successive frame, and in one particular implementation, the new spatial location is determined by maximizing Bhattacharyya coefficients.
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