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Efficient dynamic texture classification with probabilistic motifs

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Abstract

We propose to tackle dynamic texture video classification as a pattern mining problem. In a nutshell, videos are represented by frequent sequences of representative patches. Firstly, we use a Gaussian Mixture Model to make the clustering of patches from training videos. Secondly, a soft assignment is used as an encoding method to construct sequences of probability vectors (p-sequences) representing sequences of spatio-temporal patches. Thirdly, for each class, we mine meaningful motifs appearing inside the training p-sequences by means of an adapted data mining approach. Finally, feature vectors are constructed from the mined motifs, using the probabilistic support, which quantifies the match between the p-sequences, of the video to be classified, and the key-motifs of the classes. Experimental results and analysis for dynamic texture classification on benchmark datasets (i.e. UCLA, Traffic) show the interest of the proposed method.
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Dates and versions

hal-03700841 , version 1 (21-06-2022)

Identifiers

  • HAL Id : hal-03700841 , version 1

Cite

Luong Phat Nguyen, Julien Mille, Dominique H Li, Donatello Conte, Nicolas Ragot. Efficient dynamic texture classification with probabilistic motifs. International Conference on Pattern Recognition, Aug 2022, Montréal, Canada. ⟨hal-03700841⟩
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