System and method for gesture recognition in three dimensions using stereo imaging and color vision
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United States of America Patent
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Sep 7, 2004
Grant Date -
N/A
app pub date -
Jun 30, 2000
filing date -
Jun 30, 2000
priority date (Note) -
In Force
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Abstract
A system and method for recognizing gestures. The method comprises obtaining image data and determining a hand pose estimation. A frontal view of a hand is then produced. The hand is then isolated the background. The resulting image is then classified as a type of gesture. In one embodiment, determining a hand pose estimation comprises performing background subtraction and computing a hand pose estimation based on an arm orientation determination. In another embodiment, a frontal view of a hand is then produced by performing perspective unwarping and scaling. The system that implements the method may be a personal computer with a stereo camera coupled thereto.
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