Examples of trained spatial attention maps. The circle size denotes joint significance.

Examples of trained spatial attention maps. The circle size denotes joint significance.

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Graph convolutional networks (GCNs) are an effective skeleton-based human action recognition (HAR) technique. GCNs enable the specification of CNNs to a non-Euclidean frame that is more flexible. The previous GCN-based models still have a lot of issues: (I) The graph structure is the same for all model layers and input data.

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