提升自动驾驶在路口对指令的响应能力,解决30%以上指令被忽略的问题。
Closing the Navigation Compliance Gap in End-to-end Autonomous Driving
- 引入新评估指标NAVI和可控性度量CM,精准衡量导航遵从性。
- 构建包含3.4万条指令样本的NavControl数据集,覆盖所有可行转向选择。
- 提出NaviHydra模型,在多个测试集上实现92.7和77.5的高分表现。
轨迹评分规划器在遵循专家原始指令时导航遵从性高,但在路口面对替代指令时表现不佳,超过30%的指令被忽略。我们归因于两点:(1) 现有指标如Ego Progress未显式衡量导航遵从性,弱化了路径内与路径外轨迹的差异;(2) 当前数据集每个场景仅配一个指令,阻碍模型学习指令依赖行为。为此,我们提出二值导航遵从度量NAVI及衍生的可控性度量CM,构建了包含14,918个路口场景、34,000余条方向样本的NavControl数据集。基于此,提出NaviHydra规划器,融合NAVI蒸馏与基于鸟瞰图的轨迹采集,实现上下文-位置感知特征提取。该模型在NAVSIM navtest划分上获得92.7的PDM分数,在NavControl测试划分上达77.5的CM分数。使用NavControl训练可显著提升多种架构的可控性,证明其为提升导航遵从性的有效泛化增强手段。
原文摘要 · Abstract (English)
Trajectory-scoring planners achieve high navigation compliance when following the expert's original command, yet they struggle at intersections when presented with alternative commands; over 30 percent of such commands are ignored. We attribute this navigation compliance gap to two root causes: (1) existing metrics like Ego Progress do not explicitly measure navigation adherence, diluting the gap between on-route and off-route trajectories; and (2) current datasets pair each scenario with a single command, preventing models from learning command-dependent behavior. We address the metric gap by introducing the binary Navigation Compliance metric (NAVI) and the derived Controllability Measure (CM), and the data gap with the NavControl dataset, 14,918 intersection scenarios augmented with all feasible alternative commands and routing annotations, yielding over 34,000 direction samples. Building on these, we propose NaviHydra, a trajectory-scoring planner incorporating NAVI distillation and Bird's Eye View (BEV)-based trajectory gathering for context-position-aware trajectory feature extraction. NaviHydra achieves 92.7 PDM score on NAVSIM navtest split and 77.5 CM on NavControl test split. Training with NavControl improves controllability across diverse architectures, confirming it as a broadly effective augmentation for navigation compliance.
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