arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2507.02406cs.LG
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通过偏好优化提升车辆轨迹预测的一致性

Improving Consistency in Vehicle Trajectory Prediction Through Preference Optimization

Stellantis(斯特拉蒂亚斯);École des Mines de Paris(巴黎矿学院)

Caio Azevedo, Lina Achaji, Stefano Sabatini, Nicola Poerio, Grzegorz Bartyzel, Sascha Hornauer, Fabien Moutarde

AI总结:

本文针对多智能体场景中轨迹预测不一致的问题,提出利用偏好优化对轨迹预测模型进行微调,在三个数据集上验证可在几乎不损失精度且不增加推理计算的情况下显著提升场景一致性。

摘要:

轨迹预测是自动驾驶车辆流程中的一个关键步骤。对周围智能体运动的不准确或不一致的预测会导致规划出的机动动作质量不佳,并可能给最终用户带来危险情况。当前最先进的基于深度学习的轨迹预测模型在公开数据集上能够取得优异的精度。然而,当用于更复杂的交互场景时,它们往往无法捕捉智能体之间的重要相互依赖关系,从而导致交通场景中智能体之间的预测不一致。受将人类偏好引入大语言模型的有效性启发,本工作在智能体决策的多智能体设置下,利用偏好优化对轨迹预测模型进行微调。通过在微调过程中输入对预测未来轨迹自动计算得到的偏好排序,我们的实验——在三个独立数据集上使用最先进的模型——表明我们能够显著提升场景一致性,同时仅以极小的轨迹预测精度损失为代价,并且在推理时无需增加任何额外计算需求。

英文摘要:

Trajectory prediction is an essential step in the pipeline of an autonomous vehicle. Inaccurate or inconsistent predictions regarding the movement of agents in its surroundings lead to poorly planned maneuvers and potentially dangerous situations for the end-user. Current state-of-the-art deep-learning-based trajectory prediction models can achieve excellent accuracy on public datasets. However, when used in more complex, interactive scenarios, they often fail to capture important interdependencies between agents, leading to inconsistent predictions among agents in the traffic scene. Inspired by the efficacy of incorporating human preference into large language models, this work fine-tunes trajectory prediction models in multi-agent settings using preference optimization. By taking as input automatically calculated preference rankings among predicted futures in the fine-tuning process, our experiments--using state-of-the-art models on three separate datasets--show that we are able to significantly improve scene consistency while minimally sacrificing trajectory prediction accuracy and without adding any excess computational requirements at inference time.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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