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Title: Skeleton-based action recognition using spatio-temporal lstm network with trust gates
Authors: Liu, Jun
Shahroudy, Amir
Xu, Dong
Kot, Alex Chichung
Wang, Gang
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2018
Source: Liu, J., Shahroudy, A., Xu, D., Kot, A. C., & Wang, G. (2018). Skeleton-based action recognition using spatio-temporal lstm network with trust gates. IEEE transactions on pattern analysis and machine intelligence, 40(12), 3007-3021. doi:10.1109/TPAMI.2017.2771306
Journal: IEEE transactions on pattern analysis and machine intelligence
Abstract: Skeleton-based human action recognition has attracted a lot of research attention during the past few years. Recent works attempted to utilize recurrent neural networks to model the temporal dependencies between the 3D positional configurations of human body joints for better analysis of human activities in the skeletal data. The proposed work extends this idea to spatial domain as well as temporal domain to better analyze the hidden sources of action-related information within the human skeleton sequences in both of these domains simultaneously. Based on the pictorial structure of Kinect's skeletal data, an effective tree-structure based traversal framework is also proposed. In order to deal with the noise in the skeletal data, a new gating mechanism within LSTM module is introduced, with which the network can learn the reliability of the sequential data and accordingly adjust the effect of the input data on the updating procedure of the long-term context representation stored in the unit's memory cell. Moreover, we introduce a novel multi-modal feature fusion strategy within the LSTM unit in this paper. The comprehensive experimental results on seven challenging benchmark datasets for human action recognition demonstrate the effectiveness of the proposed method.
ISSN: 0162-8828
DOI: 10.1109/TPAMI.2017.2771306
Rights: © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at:
Fulltext Permission: open
Fulltext Availability: With Fulltext
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