Hand gesture recognition system and method
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United States of America Patent
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Oct 3, 2000
Grant Date -
N/A
app pub date -
Dec 22, 1997
filing date -
Dec 20, 1996
priority date (Note) -
Expired
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Abstract
Noise problems in processing small images or large-granularity images are reduced by representing hand images as rotational vectors calculated using a real-valued centroid. The hand region is therefore sectored independently of pixel quantization. Color segmentation is used to identify hand-color regions, followed by region labelling to filter out noise regions based on region size. Principal component analysis is used to plot gesture models.
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