MIAT: Maneuver-Intention-Aware Transformer for Spatio-Temporal Trajectory Prediction

• URL: http://arxiv.org/abs/2504.05059v3
• Date: Wed, 13 Aug 2025 20:26:48 GMT
• Title: MIAT: Maneuver-Intention-Aware Transformer for Spatio-Temporal Trajectory Prediction
• Authors: Chandra Raskoti, Iftekharul Islam, Xuan Wang, Weizi Li,
• Abstract summary: ManeuverIntention-Aware Transformer (MIAT) integrates intention awareness control mechanism with varying interaction modeling.<n>We evaluate our approach on the real-world NGSIM dataset and benchmarked against various transformer- and LSTM-based methods.<n>MIAT realizes an 11.1% performance boost in long-horizon predictions, with a modest drop in short-horizon performance.
• Score: 4.093236466389434
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Accurate vehicle trajectory prediction is critical for safe and efficient autonomous driving, especially in mixed traffic environments when both human-driven and autonomous vehicles co-exist. However, uncertainties introduced by inherent driving behaviors -- such as acceleration, deceleration, and left and right maneuvers -- pose significant challenges for reliable trajectory prediction. We introduce a Maneuver-Intention-Aware Transformer (MIAT) architecture, which integrates a maneuver intention awareness control mechanism with spatiotemporal interaction modeling to enhance long-horizon trajectory predictions. We systematically investigate the impact of varying awareness of maneuver intention on both short- and long-horizon trajectory predictions. Evaluated on the real-world NGSIM dataset and benchmarked against various transformer- and LSTM-based methods, our approach achieves an improvement of up to 4.7% in short-horizon predictions and a 1.6% in long-horizon predictions compared to other intention-aware benchmark methods. Moreover, by leveraging intention awareness control mechanism, MIAT realizes an 11.1% performance boost in long-horizon predictions, with a modest drop in short-horizon performance. The source code and datasets are available at https://github.com/cpraskoti/MIAT.

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