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Gait energy volumes and frontal gait recognition using depth images

By Sabesan Sivapalan, Daniel Chen, Simon Denman, Sridha Sridharan and Clinton B. Fookes


Gait energy images (GEIs) and its variants form the basis of many recent appearance-based gait recognition systems. The GEI combines good recognition performance with a simple implementation, though it suffers problems inherent to appearance-based approaches, such as being highly view dependent. In this paper, we extend the concept of the GEI to 3D, to create what we call the gait energy volume, or GEV. A basic GEV implementation is tested on the CMU MoBo database, showing improvements over both the GEI baseline and a fused multi-view GEI approach. We also demonstrate the efficacy of this approach on partial volume reconstructions created from frontal depth images, which can be more practically acquired, for example, in biometric portals implemented with stereo cameras, or other depth acquisition systems. Experiments on frontal depth images are evaluated on an in-house developed database captured using the Microsoft Kinect, and demonstrate the validity of the proposed approach

Topics: 080104 Computer Vision, 080106 Image Processing, Gait energy image, Gait energy volume, 3D reconstrcution, view invariant, multi-view analysis, Principal componant analysis
Publisher: IEEE
Year: 2011
OAI identifier: oai:eprints.qut.edu.au:46382

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