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Inductive Inverse Kinematics Algorithm for the Natural Posture Control  

Lee, Bum-Ro (Dept.of Information Control Instrumentation Engineering, Kwangwoon University)
Chung, Chin-Hyun (Dept.of Information Control Instrumentation Engineering, Kwangwoon University)
Publication Information
Journal of KIISE:Computing Practices and Letters / v.8, no.4, 2002 , pp. 367-375 More about this Journal
Abstract
Inverse kinematics is a very useful method for control]ing the posture of an articulated body. In most inverse kinematics processes, the major matter of concern is not the posture of an articulated body itself but the position and direction of the end effector. In some applications such as 3D character animations, however, it is more important to generate an overall natural posture for the character rather than place the end effector in the exact position. Indeed, when an animator wants to modify the posture of a human-like 3D character with many physical constraints, he has to undergo considerable trial-and-error to generate a realistic posture for the character. In this paper, the Inductive Inverse Kinematics(IIK) algorithm using a Uniform Posture Map(UPM) is proposed to control the posture of a human-like 3D character. The proposed algorithm quantizes human behaviors without distortion to generate a UPM, and then generates a natural posture by searching the UPM. If necessary, the resulting posture could be compensated with a traditional Cyclic Coordinate Descent (CCD). The proposed method could be applied to produce 3D-character animations based on the key frame method, 3D games and virtual reality.
Keywords
Virtual Reality; Articulated Body; Inverse Kinematics; Motion Capture; Key frame Animation;
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Times Cited By KSCI : 1  (Citation Analysis)
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