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Visualized predictions of the proposed framework adopting PECNet as the basic models. Yellow dots represent the trajectory for past 3.2 s, and cyan dots represent the trajectory of the ground truth future for next 4.8 s, while red and purple dots represent the future trajectory predicated by our model and the vanilla PECNet, respectively, for next 4.8 s. (a) ETH. (b) Hotel. (c) ZARA.
Figures of the Article
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Illustration of the trajectory prediction task. The green agent walks with her friend, the orange agent. They meet with the stranger blue agent at the position, i.e, the red diamond marks in the blue and green trajectories. Agents will consider all neighbors in future movements.
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Architecture of our two-level model-agnostic hierarchical framework, which includes the inter-trajectory view and the intra-trajectory view. It mainly consists of four modules, from left to right, the trajectory difficulty measure module, local feature extraction module, global feature extraction module, and trajectory generation module. The leftmost module, i.e., the trajectory difficulty measure module, belongs to the first-level view. The other three modules belong to the second-level view. Red connections are only used in the training stage, blue connections are only used in the evaluation stage, and black connections are used in both stages.
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Architecture of our proposed model-agnostic framework adopting one of the state-of-the-art trajectory prediction methods, PECNet, as the basic model. The differences compared with vanilla PECNet consist of two modules which are enclosed in braces. The leftmost module, i.e., the trajectory difficulty measure module, belongs to the first module of the proposed framework. The other module, i.e., the local-global feature extraction module, belongs to the second module of the proposed framework.
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Visualized predictions of our framework. Yellow dots represent the trajectory for past 3.2 s while red and cyan dots represent the trajectory of the predicted and the ground truth future, respectively, for next 4.8 s. (a) ZARA. (b) Hotel. (c) ETH.
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![]()
Visualized predictions of the proposed framework adopting PECNet as the basic models. Yellow dots represent the trajectory for past 3.2 s, and cyan dots represent the trajectory of the ground truth future for next 4.8 s, while red and purple dots represent the future trajectory predicated by our model and the vanilla PECNet, respectively, for next 4.8 s. (a) ETH. (b) Hotel. (c) ZARA.
Others
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2025-2-3-3013-Chinese Information 28KB
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