Efficient and accurate 3D object tracking
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United States of America Patent
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Sep 30, 2014
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Sep 4, 2009
filing date -
Mar 5, 2007
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Abstract
A method of tracking an object in an input image stream, the method comprising iteratively applying the steps of: (a) rendering a three-dimensional object model according to a previously predicted state vector from a previous tracking loop or the state vector from an initialization step; (b) extracting a series of point features from the rendered object; (c) localizing corresponding point features in the input image stream; (d) deriving a new state vector from the point feature locations in the input image stream.
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