Computer graphics processing and selective visual display system – Computer graphics processing – Animation
Patent
1998-02-12
2000-09-05
Powell, Mark R.
Computer graphics processing and selective visual display system
Computer graphics processing
Animation
345419, 382209, G06T 1570, G06T 1500, G06K 962
Patent
active
061150525
ABSTRACT:
A system is provided for reconstructing the 3-dimensional motions of a hu figure from a monocularly viewed image sequence in which a statistical approach is used coupled with the use of a set of motion capture examples to build a gaussian probability model for short human motion sequences. In a simplified rendering domain, this yields an optimal 3-d estimate of human motion used to create realistic animations given a 2-d temporal sequence. The subject system is also useful to identify which motion modes are difficult to estimate. In one embodiment, a stick figure is overlaid on the input video image to allow manual correction of incorrectly tracked body parts. The utilization of stick figure correction permits manual correction for a more accurate 3-d reconstruction of the motion depicted in the input video sequence. An interactive tracking system processes real video sequences, and achieves good 3-d reconstructions of the human figure motion.
REFERENCES:
patent: 5767861 (1998-06-01), Kimura
patent: 5930379 (1999-07-01), Rehg et al.
Freeman William T.
Leventon Michael E.
Brinkman Dirk
Mitsubishi Electric Information Technology Center America Inc.
Nguyen Thu
Powell Mark R.
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