Paper Info
Title
Structure-Aware Multi-scale Hierarchical Graph Convolutional Network for Skeleton Action Recognition
Abstract
In recent years, graph convolutional neural network (GCNN) has achieved the most advanced results in skeleton action recognition tasks. However, existing models mainly focus on extracting local information from joint-level and part-level, but ignore the global information of frame-level and the relevance between multiple levels, which lead to the loss of hierarchical information. Moreover, these models consider the non-physical connection relationship between nodes but neglect the dependence between body parts. The lose of topology information directly results in poor model performance. In this paper, we propose a structure-aware multi-scale hierarchical graph convolutional network (SAMS-HGCN) model, which includes two modules: a structure-aware hierarchical graph pooling block (SA-HGP Block) and a multi-scale fusion module (MSF module). Specifically, SA-HGP Block establishes a hierarchical network to capture the topological information of multiple levels by using the hierarchical graph pooling (HGP) operation and model the dependence among parts via the structure-aware learning (SA Learning) operation. MSF module fuses information of different scales in each level to obtain multi-scale global structural information. Experiments show that our method achieves comparable performances to state-of-the-art methods on NTU-RGB+D and Kinetics-Skeleton datasets.
Year
DOI
Venue
2021
10.1007/978-3-030-86365-4_24
ARTIFICIAL NEURAL NETWORKS AND MACHINE LEARNING - ICANN 2021, PT III
Keywords
DocType
Volume
Skeleton action recognition, Hierarchical graph convolution network, Multi-scale fusion
Conference
12893
ISSN
Citations 
PageRank 
0302-9743
0
0.34
References 
Authors
0
6
Name
Order
Citations
PageRank
Changxiang He100.68
Shuting Liu200.34
Y. Zhao3105.43
Xiaofei Qin401.69
Jiayuan Zeng500.34
Xuedian Zhang600.68