Learning Weighted Joint-based Features for Action Recognition using Depth Camera

Guang Chen, Daniel Clarke, Alois Knoll

2014

Abstract

Human action recognition based on joints is a challenging task. The 3D positions of the tracked joints are very noisy if occlusions occur, which increases the intra-class variations in the actions. In this paper, we propose a novel approach to recognize human actions with weighted joint-based features. Previous work has focused on hand-tuned joint-based features, which are difficult and time-consuming to be extended to other modalities. In contrast, we compute the joint-based features using an unsupervised learning approach. To capture the intra-class variance, a multiple kernel learning approach is employed to learn the skeleton structure that combine these joints-base features. We test our algorithm on action application using Microsoft Research Action3D (MSRAction3D) dataset. Experimental evaluation shows that the proposed approach outperforms state-of-the art action recognition algorithms on depth videos.

Paper Citation

in Harvard Style

Chen G., Clarke D. and Knoll A. (2014). Learning Weighted Joint-based Features for Action Recognition using Depth Camera . In Proceedings of the 9th International Conference on Computer Vision Theory and Applications - Volume 2: VISAPP, (VISIGRAPP 2014) ISBN 978-989-758-004-8, pages 549-556. DOI: 10.5220/0004735705490556

in Bibtex Style

@conference{visapp14,
author={Guang Chen and Daniel Clarke and Alois Knoll},
title={Learning Weighted Joint-based Features for Action Recognition using Depth Camera},
booktitle={Proceedings of the 9th International Conference on Computer Vision Theory and Applications - Volume 2: VISAPP, (VISIGRAPP 2014)},
year={2014},
pages={549-556},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004735705490556},
isbn={978-989-758-004-8},
}

in EndNote Style

TY - CONF
JO - Proceedings of the 9th International Conference on Computer Vision Theory and Applications - Volume 2: VISAPP, (VISIGRAPP 2014)
TI - Learning Weighted Joint-based Features for Action Recognition using Depth Camera
SN - 978-989-758-004-8
AU - Chen G.
AU - Clarke D.
AU - Knoll A.
PY - 2014
SP - 549
EP - 556
DO - 10.5220/0004735705490556