Computer graphics processing and selective visual display system – Computer graphics processing – Animation
Patent
1995-07-21
2000-12-26
Zimmerman, Mark
Computer graphics processing and selective visual display system
Computer graphics processing
Animation
345473, G06T 1570
Patent
active
061667463
ABSTRACT:
An image processing apparatus has a three-dimensional joint position storing circuit for storing a three-dimensional coordinate position for each of available joints of an object at each frame for a standard action; a geometric data storing circuit for storing geometric data for at least a portion of the object based on unique coordinate systems for each of the available joints; a unique coordinate system determining circuit for determining the unique coordinate system for each of the available joints based on the stored three-dimensional coordinate positions; a three-dimensional joint angle computing circuit for computing a three-dimensional joint angle for at least one of the available joints based on a desired mode of action modification and the determined unique coordinate systems; a joint angle displacing circuit for displacing the three-dimensional joint angle for at least one of the available joints; a unique coordinate system generating circuit for generating the unique coordinate system for at least one of the available joints; and an action synthesizing circuit for assigning the geometric data corresponding to each of the available joints.
REFERENCES:
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patent: 5483630 (1996-01-01), Unuma et al.
Yamamoto, et al, "Human Motion Analysis Based on A Robot Arm Model", IEEE, 1991, pp. 664-665.
Hogg, "Model Based Vision: A Program to See a Walking Person", Image and Vision Computing, Feb., 1983, vol. 1, No. 1, pp. 5-20.
Mortawetz, Goal Directed Human Animation of Multiple Movements, Graphics Interface, pp. 60-67, May 14, 1990.
Badler, "Computer Animation Techniques", Conference Paper, Knowledge Based Systems International Conference, Oct. 20-21, 1987.
Inada Kazuhiko
Maehara Fumio
Nakagawa Masamichi
Matsushita Electric - Industrial Co., Ltd.
Stevenson Philip H.
Zimmerman Mark
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