Abstract
We propose a compact representation for human action recognition by employing human block-based model and local optical flow features. The contour descriptor based on block-based model proposed in this paper can be used to represent the movement of human body exactly by dividing silhouette into different blocks. Meanwhile, we propose an accurate and stable optical flow descriptor for motion information. Finally, our action feature vector is constructed by using contour and optical flow descriptor together with global velocity information. In addition, we adopt the well-known Bag-of-words (BoW) model to obtain the final video level representations. Our approach is tested on two public datasets: Weizmann and KTH. Experimental results show that our approach achieves a 100 % test accuracy on Weizmann dataset and outperforms some state-of-the-art techniques on KTH dataset.
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This work is funded by National Science Foundation of China (61175009).
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Song, J., Hu, F. (2014). Human Action Recognition with Block-Based Model and Flow Histograms. In: Farag, A., Yang, J., Jiao, F. (eds) Proceedings of the 3rd International Conference on Multimedia Technology (ICMT 2013). Lecture Notes in Electrical Engineering, vol 278. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-41407-7_40
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DOI: https://doi.org/10.1007/978-3-642-41407-7_40
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