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Motion feature combination for human action recognition in video

By Hongying Meng, Nick Pears and Chris Bailey


We study the human action recognition problem based on motion features directly extracted from video. In order to implement a fast human action recognition system, we select simple features that can be obtained from non-intensive computation. We propose to use the motion history image (MHI) as our fundamental representation of the motion. This is then further processed to give a histogram of the MHI and the Haar wavelet transform of the MHI. The combination of these two features is computed cheaply and has a lower dimension than the original MHI. The combined feature vector is tested in a Support Vector Machine (SVM) based human action recognition system and a significant performance improvement has been achieved. The system is efficient to be used in real-time human action classification systems

Topics: G760 Machine Learning, G400 Computer Science, G740 Computer Vision
Publisher: Springer
Year: 2008
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