NDLI: Animation of human walking in virtual environments

Content Provider	IEEE Xplore Digital Library
Author	Shih-Kai Chung Hahn, J.K.
Copyright Year	1999
Description	Author affiliation: Sch. of Eng. & Appl. Sci., George Washington Univ., Washington, DC, USA (Shih-Kai Chung)
Abstract	This paper presents an interactive hierarchical motion control system dedicated to the animation of human figure locomotion in virtual environments. As observed in gait experiments, controlling the trajectories of the feet during gait is a precise end-point control task. Inverse kinematics with optimal approaches are used to control the complex relationships between the motion of the body and the coordination of its legs. For each step, the simulation of the support leg is executed first, followed by the swing leg, which incorporates the position of the pelvis from the support leg. That is, the foot placement of the support leg serves as the kinematics constraint while the position of the pelvis is defined through the evaluation of a control criteria optimization. Then, the swing leg movement is defined to satisfy two criteria in order: collision avoidance and control criteria optimization. Finally, animation attributes, such as controlling parameters and pre-processed motion modules, are applied to achieve a variety of personalities and walking styles.
Starting Page	4
Ending Page	15
File Size	132140
Page Count	12
File Format	PDF
ISBN	0769501672
ISSN	10874844
DOI	10.1109/CA.1999.781194
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-05-26
Publisher Place	Switzerland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Animation Humans Legged locomotion Virtual environment Leg Motion control Kinematics Pelvis Optimal control Foot
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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