Computer-aided analysis of mechanical systems
Computer-aided analysis of mechanical systems
SIGGRAPH '88 Proceedings of the 15th annual conference on Computer graphics and interactive techniques
Robot Dynamics Algorithm
Motion transformation by physically based spacetime optimization
Motion transformation by physically based spacetime optimization
Learning physics-based motion style with nonlinear inverse optimization
ACM SIGGRAPH 2005 Papers
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The physical correctness of motion capture data is important for human motion analysis and athlete training. However, until now there is little work that wholly explores this problem of analyzing the physical correctness of motion capture data. In this paper, we carefully discuss this problem and solve two major issues in it. Firstly, a new form of Newton-Euler equations encoded by quaternions and Euler angles which are very fit for analyzing the motion capture data are proposed. Secondly, a robust optimization method is proposed to correct the motion capture data to satisfy the physical constraints. We demonstrate the advantage of our method with several experiments.