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Fast gesture recognition based on a two-level representation
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DOI：10.1016/j.patrec.2009.05.017.png)
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Towards developing an interface for human-robot interaction, this paper proposes a two-level approach to recognise gestures which are composed of trajectories followed by different body parts. In a first level, individual trajectories are described by a set of key-points. These points are chosen as the corners of the curvature function associated to the trajectory, which will be estimated using and adaptive, non-iterative scheme. This adaptive representation allows removing noise while preserving detail in curvature at different scales. In a second level, gestures are characterised through global properties of the trajectories that compose them. Gesture recognition is performed using a confidence value that integrates both levels. Experimental results show that the performance of the proposed method is high in terms of computational cost and memory consumption, and gesture recognition ability. (C) 2009 Elsevier B.V. All rights reserved.
Keyword:
Gesture recognition
Adaptive curvature
3D trajectory matching
Dynamic time warping
期刊
IF:
3.3
论文数:
8.0K
被引数:
1.6W
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