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Skeleton-Based Action Recognition with Spatial Reasoning and Temporal Stack Learning

  • Chenyang Si
  • Ya Jing
  • Wei WangEmail author
  • Liang Wang
  • Tieniu Tan
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11205)

Abstract

Skeleton-based action recognition has made great progress recently, but many problems still remain unsolved. For example, the representations of skeleton sequences captured by most of the previous methods lack spatial structure information and detailed temporal dynamics features. In this paper, we propose a novel model with spatial reasoning and temporal stack learning (SR-TSL) for skeleton-based action recognition, which consists of a spatial reasoning network (SRN) and a temporal stack learning network (TSLN). The SRN can capture the high-level spatial structural information within each frame by a residual graph neural network, while the TSLN can model the detailed temporal dynamics of skeleton sequences by a composition of multiple skip-clip LSTMs. During training, we propose a clip-based incremental loss to optimize the model. We perform extensive experiments on the SYSU 3D Human-Object Interaction dataset and NTU RGB+D dataset and verify the effectiveness of each network of our model. The comparison results illustrate that our approach achieves much better results than the state-of-the-art methods.

Keywords

Skeleton-based action recognition Spatial reasoning Temporal stack learning Clip-based incremental loss 

Notes

Acknowledgements

This work is jointly supported by National Key Research and Development Program of China (2016YFB1001000), National Natural Science Foundation of China (61525306, 61633021, 61721004, 61420106015, 61572504), Scientific Foundation of State Grid Corporation of China.

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  1. 1.Center for Research on Intelligent Perception and Computing (CRIPAC), National Laboratory of Pattern Recognition (NLPR)BeijingChina
  2. 2.Center for Excellence in Brain Science and Intelligence Technology (CEBSIT)Institute of Automation, Chinese Academy of Sciences (CASIA)BeijingChina
  3. 3.University of Chinese Academy of Sciences (UCAS)BeijingChina

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