3D geometric modeling and motion capture using both single and dual imaging
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United States of America Patent
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Jan 3, 2012
Grant Date -
May 22, 2008
app pub date -
Aug 13, 2007
filing date -
Nov 21, 2006
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Abstract
A method and apparatus for obtaining an image to determine a three dimensional shape of a stationary or moving object using a bi dimensional coded light pattern having a plurality of distinct identifiable feature types. The coded light pattern is projected on the object such that each of the identifiable feature types appears at most once on predefined sections of distinguishable epipolar lines. An image of the object is captured and the reflected feature types are extracted along with their location on known epipolar lines in the captured image. Displacements of the reflected feature types along their epipolar lines from reference coordinates thereupon determine corresponding three dimensional coordinates in space and thus a 3D mapping or model of the shape of the object at any point in time.
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