| Summary: | Human motion prediction involves forecasting future movements based on past observations, which is a complex task due to the inherent spatial-temporal dynamics of human motion. In this paper, we introduced a novel framework, GGTr, which adeptly encapsulates these patterns by integrating positional graph convolutional network (GCN) layers, gated recurrent unit (GRU) network layers, and transformer layers. The proposed model utilizes an enhanced GCN layer equipped with a positional representation to aggregate information from body joints more effectively. To address temporal dependencies, we strategically combined GRU and transformer layers, enabling the model to capture both local and global temporal dependencies across body joints. Through extensive experiments conducted on Human3.6M and CMU-MoCap datasets, we demonstrated the superior performance of our proposed model. Notably, our framework shows significant improvements in predicting long-term movements, outperforming state-of-the-art methods substantially.
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