3D Human Pose Estimation from Static Images Using Local Features and Discriminative Learning

Authors:
Suman Sedai;Farid Flitti;Mohammed Bennamoun;Du Huynh
Affiliations:
School of Computer Science and Software Engineering, The University of Western Australia, Crawley WA, Australia 6000;School of Computer Science and Software Engineering, The University of Western Australia, Crawley WA, Australia 6000;School of Computer Science and Software Engineering, The University of Western Australia, Crawley WA, Australia 6000;School of Computer Science and Software Engineering, The University of Western Australia, Crawley WA, Australia 6000
Venue:
ICIAR '09 Proceedings of the 6th International Conference on Image Analysis and Recognition
Year:
2009

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Abstract

In this paper an approach to recover the 3D human body pose from static images is proposed. We adopt a discriminative learning technique to directly infer the 3D pose from appearance-based local image features. We use simplified Gradient Location and Orientation histogram (GLOH) as our image feature representation. We then employ the gradient tree-boost regression to train a discriminative model for mapping from the feature space to the 3D pose space. The training and evaluation of our algorithm were conducted on the walking sequences of a synchronized video and 3D motion dataset. We show that appearance-based local features can be used for pose estimation even in cluttered environments. At the same time, the discriminatively learned model allows the 3D pose to be estimated in real time.