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Appl. Sci. 2017, 7(6), 567;

A New Framework of Human Interaction Recognition Based on Multiple Stage Probability Fusion

School of Automation, Shenyang Aerospace University, Shenyang 110036, China
School of Computing, University of Portsmouth, Portsmouth PO1 3HE, UK
Author to whom correspondence should be addressed.
Academic Editors: Plamen Angelov and José Antonio Iglesias Martínez
Received: 19 February 2017 / Revised: 12 May 2017 / Accepted: 24 May 2017 / Published: 1 June 2017
(This article belongs to the Special Issue Human Activity Recognition)
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Visual-based human interactive behavior recognition is a challenging research topic in computer vision. There exist some important problems in the current interaction recognition algorithms, such as very complex feature representation and inaccurate feature extraction induced by wrong human body segmentation. In order to solve these problems, a novel human interaction recognition method based on multiple stage probability fusion is proposed in this paper. According to the human body’s contact in interaction as a cut-off point, the process of the interaction can be divided into three stages: start stage, execution stage and end stage. Two persons’ motions are respectively extracted and recognizes in the start stage and the finish stage when there is no contact between those persons. The two persons’ motion is extracted as a whole and recognized in the execution stage. In the recognition process, the final recognition results are obtained by the weighted fusing these probabilities in different stages. The proposed method not only simplifies the extraction and representation of features, but also avoids the wrong feature extraction caused by occlusion. Experiment results on the UT-interaction dataset demonstrated that the proposed method results in a better performance than other recent interaction recognition methods. View Full-Text
Keywords: human interaction recognition; piecewise fusion; weighted fusing; Hidden Markov Model human interaction recognition; piecewise fusion; weighted fusing; Hidden Markov Model

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Ji, X.; Wang, C.; Ju, Z. A New Framework of Human Interaction Recognition Based on Multiple Stage Probability Fusion. Appl. Sci. 2017, 7, 567.

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