Graph-SIM: A Graph-based Spatiotemporal Interaction Modelling for Pedestrian Action Prediction

• URL: http://arxiv.org/abs/2012.02148v3
• Date: Thu, 25 Mar 2021 14:12:10 GMT
• Title: Graph-SIM: A Graph-based Spatiotemporal Interaction Modelling for Pedestrian Action Prediction
• Authors: Tiffany Yau, Saber Malekmohammadi, Amir Rasouli, Peter Lakner, Mohsen Rohani, Jun Luo
• Abstract summary: We propose a novel graph-based model for predicting pedestrian crossing action. We introduce a new dataset that provides 3D bounding box and pedestrian behavioural annotations for the existing nuScenes dataset. Our approach achieves state-of-the-art performance by improving on various metrics by more than 15% in comparison to existing methods.
• Score: 10.580548257913843
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: One of the most crucial yet challenging tasks for autonomous vehicles in urban environments is predicting the future behaviour of nearby pedestrians, especially at points of crossing. Predicting behaviour depends on many social and environmental factors, particularly interactions between road users. Capturing such interactions requires a global view of the scene and dynamics of the road users in three-dimensional space. This information, however, is missing from the current pedestrian behaviour benchmark datasets. Motivated by these challenges, we propose 1) a novel graph-based model for predicting pedestrian crossing action. Our method models pedestrians' interactions with nearby road users through clustering and relative importance weighting of interactions using features obtained from the bird's-eye-view. 2) We introduce a new dataset that provides 3D bounding box and pedestrian behavioural annotations for the existing nuScenes dataset. On the new data, our approach achieves state-of-the-art performance by improving on various metrics by more than 15% in comparison to existing methods. The dataset is available at https://github.com/huawei-noah/datasets/PePScenes.

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