Stereoscopic user interface method and apparatus

Details Stereoscopic user interface method and apparatus Stereoscopic user interface method and apparatus

1998-07-01

2000-05-16

Hjerpe, Richard A.

Computer graphics processing and selective visual display system

Image superposition by optical means

345 8, 345419, G09G 500

Patent

active

060643544

ABSTRACT:
A computer system stereoscopically projects a three dimensional object having an interface image in a space observable by a user. The user controls the movement of a physical object within the space while observing both the three dimensionally projected object and the physical object. The computer system monitors the position of the user to determine the position of the interface image within the space and further monitors the movement of the physical object to determine its position. A control signal is generated in response to the position of the physical object intersecting the position of the interface image. For example, a word processing program is indicated by an interface image such as an icon including the letter "W" three dimensionally projected within the space. The word processing program is activated when the user's finger moves within the space to touch the projected icon. The interface allows the user to observe the projected icon, physical finger and their intersection within the space. The physical object may also be extended with a stereoscopic extension image generated by the computer system in response to determining the position and orientation of the physical object.

REFERENCES:
patent: 5025314 (1991-06-01), Tang et al.
patent: 5168531 (1992-12-01), Sigel
patent: 5239373 (1993-08-01), Tang et al.
patent: 5694142 (1997-12-01), Dumoulin et al.
patent: 5767842 (1998-01-01), Korth

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