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- Title
Social graph convolutional LSTM for pedestrian trajectory prediction.
- Authors
Zhou, Yutao; Wu, Huayi; Cheng, Hongquan; Qi, Kunlun; Hu, Kai; Kang, Chaogui; Zheng, Jie
- Abstract
Understanding the movement of pedestrians and predicting their future trajectory can be very important in intelligent transportation systems because accurate pedestrian trajectory prediction will improve the level of autonomous driving technology and reduce traffic accidents. The authors address this problem with a social graph convolutional long short‐term memory neural network architecture by considering the movement information of each pedestrian and its interaction with neighbours. Specifically, the authors use a graph to model pedestrian walking state where nodes denote the pedestrian movement information, and edges represent the interactions between pairwise pedestrians. An end‐to‐end architecture that combines a sequence‐to‐sequence model with a graph convolutional network to learn the movement features and interaction features is used. To capture the interaction influence on different pedestrians, an emotion gate to refine the learned features and filter out useless information is introduced. A companion loss function to increase the ability of the network to capture 'walking in groups' behaviour is further proposed. Through experiments on two public datasets (ETH and UCY), the authors prove that our method outperforms the previous methods.
- Publication
IET Intelligent Transport Systems (Wiley-Blackwell), 2021, Vol 15, Issue 3, p396
- ISSN
1751-956X
- Publication type
Article
- DOI
10.1049/itr2.12033