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LSTM based trajectory prediction model for cyclist utilizing multiple interactions with environment
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DOI：10.1016/j.patcog.2020.107800.png)
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Abstract
En 中文
The cyclist trajectory prediction is critical for the local path planning of autonomous vehicles. Based on the assumption that cyclist's movement is limited by its dynamics and subjected to interactions with environments, a novel LSTM based cyclist trajectory prediction model which utilizes multiple interactions with surroundings and motion feature in a unified framework is proposed. Road features describing road boundary and static obstacles are employed to address cyclist's interaction with the road. To address interactions with pedestrians, other cyclists and vehicles, object features including object attributes and relative positions are utilized. The focal attention mechanism is employed to reveal the importance of features at each time-steps. By feeding features into LSTM encoder, the movement in the next two seconds is predicted. Experiments were conducted on two datasets, and results show that the presented model outperforms the state-of-art models in most cases. (c) 2020 Published by Elsevier Ltd.
Keywords:
Trajectory prediction
Interaction br
Cyclist br
LSTM br
Focal attention mechanism
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