WANG Weihua and LIU Zhijing, “A Learning Method for Pedestrian Activity Classification,” Chinese Journal of Electronics, vol. 23, no. 1, pp. 129-134, 2014,
Citation: WANG Weihua and LIU Zhijing, “A Learning Method for Pedestrian Activity Classification,” Chinese Journal of Electronics, vol. 23, no. 1, pp. 129-134, 2014,

A Learning Method for Pedestrian Activity Classification

Funds:  This work is supported by the National Natural Science Foundation of China (No.61173091).
  • Received Date: 2012-01-01
  • Rev Recd Date: 2013-04-01
  • Publish Date: 2014-01-05
  • Analysis of human activity and online anomaly detection from video sequences is one of the hottest and difficult research areas in computer visions. This paper describes a method for pedestrian gait classification in video sequence and deals with the classification of human gait types based on the notion that gait types can be analyzed into a series of consecutive postures types. First, silhouettes are extracted using the Background subtraction method which is combined with the time-stepping method. Then a method using recursion method for establishment of the standard gait state sequence is proposed. Meanwhile, wavelet moment method is used to extract features of the human body image, and the result matrix leads to Discrete hidden Markov models. Finally, Discrete hidden Markov models is used for human posture training, modeling and activity matching to recognize the human activity. The experiment tests show some encouraging results also indicates the algorithm has very small leak-examining and mistake-examining-rate, also shows the capability of realtime performance, which indicate that the method could be a choice for solving the problem but more tests are required.
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