Electronic Science and Technology ›› 2022, Vol. 35 ›› Issue (12): 84-90.doi: 10.16180/j.cnki.issn1007-7820.2022.12.012

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Eight-Section Brocade Sequence Action Recognition and Evaluation Based on Pose Estimation

SU Bo,CHAI Ziqiang,WANG Li,CUI Shuaihua   

  1. School of Electrical Engineering and Automation,Henan Polytechnic University,Jiaozuo 454000,China
  • Received:2021-05-24 Online:2022-12-15 Published:2022-12-13
  • Supported by:
    Scientific and Technological Breakthrough Foundation of Henan(212102210503);Natural Science Foundation of Henan(162300410126)

Abstract:

Action evaluation and feedback can assist fitness exercisers to improve exercise benefits effectively. In order to realize the automatic quantitative evaluation of eight-section brocade movement, a method of recognition and evaluation of human body sequence movements is proposed. The pose estimation algorithm OpenPose is used to extract the coordinates of the key points of the human body, and then normalize them and eliminate redundant points. According to the characteristics of the action, the feature vector of the fusion key points position, distance, joint angle and key points speed is constructed, and the multi-layer perceptron is employed to train the action classification. The accuracy of action recognition on the KTH and self-made eight-section brocade data sets attains to 96.7% and 98.7%, respectively. Based on the eight-section brocade action recognition results, an action sequence is constructed, and the dynamic time warping algorithm is used to calculate the similarity of the two groups of eight-section brocade action sequences. The comparative experimental results show that the similarity can effectively evaluate the integrity and synchronization of actions.

Key words: pose estimation, OpenPose, action recognition, feature extraction, feature fusion, dynamic time warping, eight-section brocade, action evaluation

CLC Number: 

  • TP391