Boots – shoes – and leggings
Patent
1993-05-19
1994-03-22
Teska, Kevin J.
Boots, shoes, and leggings
364516, 345156, G06F 1562
Patent
active
052970612
ABSTRACT:
A pointing device (28), comprising light sources (30) and monitored by a computer vision task running in a microcontroller (108) and a computer (24). The computer vision task computes the spatial position and orientation of the pointing device, and enables an operator to control virtual three dimensional objects (73) on the display (22) of the computer. Images (78) are captured by a video camera (20) and digitized, and only image rows that contain bright pixels (80) from the light sources are processed. The light sources are the tips of optic fibers (30) guiding light from a laser diode (32), and an optical filter (46) on the camera is matched to the wavelength of the laser diode.
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Meyer et al. "A Survey of Position Trackers", Presense, vol. 1, No. 2, Spring 1992, pp. 173-200.
Dementhon Daniel F.
Fujii Yukio
Sears Christopher N.
Teska Kevin J.
University of Maryland
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