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research article

Combined direct and inverse kinematic control for articulated figure motion editing

Boulic, R.  
•
Thalmann, D.  
1992
Computer Graphics Forum

A new approach for the animation of articulated figures is presented. The authors propose a system of articulated motion design which offers a full combination of both direct and inverse kinematic control of the joint parameters. Such an approach allows an animator to specify interactively goal-directed changes to existing sampled joint motions, resulting in a more general and expressive class of possible joint motions. The fundamental idea is to consider any desired-joint space motion as a reference model inserted into the secondary task of an inverse kinematic control scheme. The approach profits from the use of half-space Cartesian main tasks in conjunction with a parallel control of the articulated figure called the coach-trainee metaphor. In addition, a transition function is introduced so as to guarantee the continuity of the control. The resulting combined kinematic control scheme leads to a new methodology of joint-motion editing which is demonstrated through the improvement of a functional model of human walking

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Type
research article
DOI
10.1111/1467-8659.1140189
Author(s)
Boulic, R.  
Thalmann, D.  
Date Issued

1992

Published in
Computer Graphics Forum
Volume

11

Issue

4

Start page

189

End page

202

Subjects

computer animation

•

control system CAD

•

kinematics

•

position control

•

robots

Note

Comput. Graphics Lab., Swiss Federal Inst. of Technol., Lausanne, Switzerland

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
VRLAB  
SCI-IC-RB  
Available on Infoscience
January 16, 2007
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/238939
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