4.7 Article

SKGACN: Social Knowledge-Guided Graph Attention Convolutional Network for Human Trajectory Prediction

出版社

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIM.2023.3283544

关键词

Graph attention; pedestrian trajectory prediction; social knowledge guided; temporal convolution

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In this article, a novel prediction model called the social knowledge-guided graph attention convolutional network (SKGACN) is proposed to address the social interactions and spatiotemporal relationships between pedestrians with low computational requirements. Experimental results show that our method performs better in terms of average displacement error (ADE) and final displacement error (FDE) metrics compared to the state-of-the-art methods.
Pedestrian trajectory prediction is crucial in driverless applications. To accurately predict the high-quality trajectory of pedestrians, it is necessary to consider the reasonable social interaction and the spatiotemporal relationships between pedestrians. Previous methods could not accurately capture the social features of pedestrians in realistic congested situations and extract spatiotemporal interaction features with high computation. Therefore, in this article, a novel prediction model is proposed, called the social knowledge-guided graph attention convolutional network (SKGACN), which aims to address the social interactions and the spatiotemporal relationships between pedestrians with low computational requirements. Specifically, the social knowledge-guided graph attention mechanism fully considers multiple information relative to pedestrians to capture their social interaction. For spatiotemporal interactions, an improved temporal convolution network (TCN) model is used as it can parallelize the processing times to get a higher efficiency compared to traditional models. Compared to the state-of-the-art methods, we evaluate our proposed method after applying it on two public datasets (ETH and UCY). The experimental results show that our method performs better in terms of average displacement error (ADE) and final displacement error (FDE) metrics.

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