期刊
COMPUTER VISION AND IMAGE UNDERSTANDING
卷 203, 期 -, 页码 -出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.cviu.2020.103126
关键词
Trajectory prediction; Group; Obstacle; LSTM-based
资金
- National Natural Science Foundation of China [61702073]
- China Postdoctoral Science Foundation [2019M661079]
Recurrent neural networks have been utilized to predict pedestrian motion in crowded scenes by learning the relative motion between individuals. This study proposes a framework that enriches the learning model with social relationships and environment layout to improve crowd motion prediction. Socially-related individuals exhibit coherent motion patterns, which are exploited to cluster trajectories with similar properties and enhance trajectory prediction accuracy, especially at the group level. Additionally, incorporating the environment layout into the model ensures a more realistic and reliable learning framework.
Recurrent neural networks have shown good abilities in learning the spatio-temporal dependencies of moving agents in crowded scenes. Recently, they have been adopted to predict the motion of pedestrians by learning the relative motion of each individual in the crowd with respect to its neighbors. Crowded scenes present a wide variety of situations, which do not depend solely on the agents' positions, but also relate to the structure of the environment, the density of the crowd, and the social relationships between pedestrians. In this work we propose a framework to improve the state-of-the-art models of crowd motion prediction by enriching the learning model with the social relationships between pedestrians walking in the crowd, as well as the layout of the environment. We observe that socially-related people tend to exhibit coherent motion patterns. Exploiting the motion coherency, we are able to cluster trajectories with similar motion properties and improve the trajectory prediction, especially at the group level. Furthermore, we incorporate into the model also the layout of the environment, to guarantee a more realistic and reliable learning framework. We evaluate our approach on standard crowd benchmark datasets, demonstrating its efficacy and applicability, improving the accuracy in trajectory prediction.
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