Computer graphics processing and selective visual display system – Computer graphics processing – Animation
Reexamination Certificate
1997-08-04
2001-11-20
Vo, Cliff N. (Department: 2671)
Computer graphics processing and selective visual display system
Computer graphics processing
Animation
C345S474000
Reexamination Certificate
active
06320589
ABSTRACT:
TECHNICAL FIELD
This invention relates to the integration of computer graphics and video to provide a realistic three dimensional virtual reality experience.
BACKGROUND OF THE INVENTION
The display of a three dimensional world to a viewer requires considerable computation power, and it is typically costly to develop the necessary highly detailed models required for doing so. In order to simplify the problem, a portion of the world that is in the distance may be represented in only two dimensions as a video displayed on a surface, e.g., a screen. By video it is meant the common usage of the term, such as the placing or projecting of predefined images on the surface, e.g., the electronic version of filmed moving pictures. Thus, such a world is essentially truncated in length to the screen on which the video is displayed. A great reduction in computation power and cost can be achieved by such an arrangement.
SUMMARY OF THE INVENTION
We have recognized that a limitation of such a world occurs when an object within the field represented by the video undergoes a trajectory that takes it to a location in the world that is not represented by the video but instead is a location in the foreground which is represented by computer graphics, namely, any portion of the object that is no longer on the video screen, disappears. Therefore, in accordance with the principles of the invention, when an object within the field represented by the video undergoes a trajectory that takes it, or a portion thereof, to a location in the world that is not represented by the video but instead is a location in the foreground which is represented by computer graphics, such an object or portion is made to continue to be visible to the user and is represented at the foreground location using computer graphic techniques, rather than video. Thus, the video object “pops” out of the video and becomes visible, e.g., in front of, or to the side of, the video screen, rather than becoming invisible because it is no longer on the video screen.
REFERENCES:
patent: 5261041 (1993-11-01), Susman
patent: 5369736 (1994-11-01), Kato et al.
patent: 5937079 (1999-08-01), Franke
Carraro Gianpaolo U.
Ensor James Robert
Lucent Technologies
Rosenthal Eugene J.
Vo Cliff N.
LandOfFree
Display techniques for three dimensional virtual reality does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Display techniques for three dimensional virtual reality, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Display techniques for three dimensional virtual reality will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2612837