Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1997-12-22
2000-10-03
Cuchlinski, Jr., William A.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
345158, 345156, 345358, G09G 116
Patent
active
061280038
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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Lemoine Arnaud
Mcgrath Sean
Smith Anthony Vernon Walker
Sutherland Alistair Ian
Cuchlinski Jr. William A.
Hitachi , Ltd.
Marc-Coleman Marthe Y.
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