Acquisition of three-dimensional images by an active stereo technique using locally unique patterns
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United States of America Patent
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Sep 5, 2006
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app pub date -
Nov 7, 2003
filing date -
Nov 22, 2002
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Abstract
A system and method for acquiring three-dimensional (3-D) images of a scene. The system includes a projection device for projecting a locally unique pattern (LUP) onto a scene, and sensors for imaging the scene containing the LUP at two or more viewpoints. A computing device matches corresponding pixels in the images by using the local uniqueness of the pattern to produce a disparity map. A range map can then be generated by triangulating points in the imaged scene.
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