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Human action recognition based on skeleton splitting
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DOI：10.1016/j.eswa.2013.06.024.png)
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Abstract
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Human action recognition, defined as the understanding of the human basic actions from video streams, has a long history in the area of computer vision and pattern recognition because it can be used for various applications. We propose a novel human action recognition methodology by extracting the human skeletal features and separating them into several human body parts such as face, torso, and limbs to efficiently visualize and analyze the motion of human body parts. Our proposed human action recognition system consists of two steps: (i) automatic skeletal feature extraction and splitting by measuring the similarity between neighbor pixels in the space of diffusion tensor fields, arid (ii) human action recognition by using multiple kernel based Support Vector Machine. Experimental results on a set of test database show that our proposed method is very efficient and effective to recognize the actions using few parameters. (C) 2013 Elsevier Ltd. All rights reserved.
Keywords:
Human action recognition
Diffusion tensor fields
Skeleton
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