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Hierarchical Human Action Recognition by Normalized-Polar Histogram


Maryam Ziaeefard and Hossein Ebrahimnezhad


Abstract - This paper proposes a novel human action recognition approach which represents each video sequence by a cumulative skeletonized images (called CSI) in one action cycle. Normalized-polar histogram corresponding to each CSI is computed. That is the number of pixels in CSI which is located in the certain distance and angles of the normalized circle. Using hierarchical classification in two levels, human action is recognized. In first level, course classification is performed with whole bins of histogram. In the second level, the more similar actions are examined again employing the special bins and the fine classification is completed. We use linear multi-class SVM as the classifier in two steps. Real human action dataset, Weizmann, is selected for evaluation. The resulting average recognition rate of the proposed method is 97.6%.



Bibtex:

@article{Ziaeefard1113,
    author    = { Maryam Ziaeefard and Hossein Ebrahimnezhad },
    title     = { Hierarchical Human Action Recognition by Normalized-Polar Histogram },
    pages     = { 3720 - 3723 },
    year      = { 201 },
    journal   = { 20th International Conference on Pattern Recognition (ICPR2010) }
}

Last modification: May 4 2015 3:59PM by MAZIA2

     
   
   

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