Human action recognition using spatial and temporal sequences alignment

Yandi Li; Zhihao Zhao

doi:10.1117/12.2644209

9 September 2022 Human action recognition using spatial and temporal sequences alignment

Yandi Li, Zhihao Zhao

Proceedings Volume 12328, Second International Conference on Optics and Image Processing (ICOIP 2022); 123281P (2022) https://doi.org/10.1117/12.2644209
Event: Second International Conference on Optics and Image Processing (ICOIP 2022), 2022, Taian, China

Abstract

In this study, we propose a novel scheme for human action recognition that combines the advantages of both spatial and temporal representations. We use shape context (SC) as pose representation in the spatial domain, and explore the temporal feature by taking into account the correlation between sequential poses within an action. In terms of the pose matching with high-dimensional data, we provide a fast matching algorithm using pyramid match kernel (PMK) based on adaptive partitioning. Additionally, this work introduces a size-pruning based longest common sub-sequence (LCSS) alignment algorithm for action sequence matching, and obtains the final cost via the decision-level fusion. Experimental results prove the viability and superiority of the fusion of two descriptors and the proposed method outperforms the majority of state-of-the-art methods on Weizmann and KTH datasets.

Citation Download Citation

Yandi Li and Zhihao Zhao "Human action recognition using spatial and temporal sequences alignment", Proc. SPIE 12328, Second International Conference on Optics and Image Processing (ICOIP 2022), 123281P (9 September 2022); https://doi.org/10.1117/12.2644209

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KEYWORDS

Feature extraction

Video

Matrices

Detection and tracking algorithms

Lithium

Lutetium

Motion models

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