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Authors: Yang Yuedong ; Zhao Qinping ; Hao Aimin and Wu Weihe

Affiliation: State Key Laboratory of Virtual Reality Technology, Beihang University, China

ISBN: 978-989-8111-20-3

Keyword(s): Motion capture, logical classification, hierarchical clustering, DTW, DTW-Curve.

Related Ontology Subjects/Areas/Topics: Animation and Simulation ; Animation from Motion Capture ; Behavioural Animation ; Computer Vision, Visualization and Computer Graphics

Abstract: Logical classification of motion data is the precondition of motion editing and behaviour recognition. The typical distance metrics of sequences can not identify logical relation between motions well. Based on the traditional DTW distance metrics, this paper proposes strategies bidirectional DTW and segment DTW, both of which could improve the robustness of identifying logically related motions, and then proposes a DTW-Curve method which is used to compare the logical similarity between the motions. The generation of DTW-Curve includes three steps. Firstly, motions should be normalized to remove the global translation and align the global orientation. Secondly, motions are resampled to cluster local frames and remove redundant frames. Finally, DTW-Curve is generated under the control of different thresholds. DTW-Curve may produce many statistical properties, which could be used to unsupervised logical classification of motions. We propose two types of statistical properties, and class ify motion data by using hierarchical clustering procedure. The experiment results demonstrate that the logical classification based on DTW- Curve has better classification performance and robustness. (More)

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Paper citation in several formats:
Yuedong Y.; Qinping Z.; Aimin H.; Weihe W. and (2008). DTW-CURVE FOR CLASSIFICATION OF LOGICALLY SIMILAR MOTIONS.In Proceedings of the Third International Conference on Computer Graphics Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2008) ISBN 978-989-8111-20-3, pages 281-289. DOI: 10.5220/0001093702810289

@conference{grapp08,
author={Yang Yuedong and Zhao Qinping and Hao Aimin and Wu Weihe},
title={DTW-CURVE FOR CLASSIFICATION OF LOGICALLY SIMILAR MOTIONS},
booktitle={Proceedings of the Third International Conference on Computer Graphics Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2008)},
year={2008},
pages={281-289},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001093702810289},
isbn={978-989-8111-20-3},
}

TY - CONF

JO - Proceedings of the Third International Conference on Computer Graphics Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2008)
TI - DTW-CURVE FOR CLASSIFICATION OF LOGICALLY SIMILAR MOTIONS
SN - 978-989-8111-20-3
AU - Yuedong, Y.
AU - Qinping, Z.
AU - Aimin, H.
AU - Weihe, W.
PY - 2008
SP - 281
EP - 289
DO - 10.5220/0001093702810289

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