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Authors: Sudhanshhu Semwal 1 and Jonathan Kip Knight 2

Affiliations: 1 University of Colorado at Colorado Springs, United States ; 2 ITT AES, United States

Keyword(s): Sphere-fit, Motion capture, Skeleton.

Related Ontology Subjects/Areas/Topics: Animation Algorithms and Techniques ; Animation and Simulation ; Animation from Motion Capture ; Computer Vision, Visualization and Computer Graphics ; Human Figure Animation

Abstract: We present a fast closed form solution for estimating the exact joint locations inside the human body from motion capture data. The new closed-form solution is more robust and faster. For example, the formulae are as much as about 100 times faster than the traditional non-linear Maximum Likelihood Estimator and about 9 times faster than linear least squares methods. The methods are proven to be statistically efficient when measurement error is smaller than the joint-marker distance. Unbiased Generalized Delogne-Kása (UGDK), multiple radii solution, and incremental GDK are important contributions of our research providing closed form fast solutions for skeleton extraction from motion capture data. Skeletal animation sequences are generated using the CMU and Eric Camper’s motion capture database.

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Paper citation in several formats:
Semwal, S. and Knight, J. (2009). NEW CLOSED FORM SOLUTIONS FOR SKELETAL EXTRACTION FROM MOTION CAPTURE. In Proceedings of the Fourth International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2009) - GRAPP; ISBN 978-989-8111-67-8; ISSN 2184-4321, SciTePress, pages 249-256. DOI: 10.5220/0001799702490256

@conference{grapp09,
author={Sudhanshhu Semwal. and Jonathan Kip Knight.},
title={NEW CLOSED FORM SOLUTIONS FOR SKELETAL EXTRACTION FROM MOTION CAPTURE},
booktitle={Proceedings of the Fourth International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2009) - GRAPP},
year={2009},
pages={249-256},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001799702490256},
isbn={978-989-8111-67-8},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the Fourth International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2009) - GRAPP
TI - NEW CLOSED FORM SOLUTIONS FOR SKELETAL EXTRACTION FROM MOTION CAPTURE
SN - 978-989-8111-67-8
IS - 2184-4321
AU - Semwal, S.
AU - Knight, J.
PY - 2009
SP - 249
EP - 256
DO - 10.5220/0001799702490256
PB - SciTePress

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