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arXiv 2602.16669cs.CV

PredMapNet: 未来与历史推理用于一致的在线高精度向量地图构建

PredMapNet: Future and Historical Reasoning for Consistent Online HD Vectorized Map Construction

Lehigh University(莱维大学);Honda Research Institute USA(本田美国研究院)

Bo Lang, Nirav Savaliya, Zhihao Zheng, Jinglun Feng, Zheng-Hang Yeh, Mooi Choo Chuah

AI总结:

PredMapNet通过结合地图实例跟踪和短期预测,实现一致的在线高精度向量地图构建,提升时间连续性和地图构建的稳定性。

摘要:

高精度(HD)地图对于自动驾驶至关重要,提供道路元素的结构化表示以支持导航和规划。然而,现有基于查询的方法往往使用随机查询初始化,并依赖于隐含的时间建模,这导致在构建全局地图时出现时间不一致性和不稳定性。为克服这些挑战,我们引入了一个新的端到端框架,用于一致的在线HD向量地图构建,该框架联合执行地图实例跟踪和短期预测。首先,我们提出了一个语义感知查询生成器,通过空间对齐的语义掩码初始化查询,以全局捕获场景级上下文。接下来,我们设计了一个历史栅格化地图记忆,为每个跟踪的实例存储细粒度的实例级地图,从而启用显式的历史先验。一个历史地图引导模块随后将栅格化地图信息整合到跟踪查询中,提高时间连续性。最后,我们提出了一个短期未来引导模块,基于存储的历史轨迹预测地图实例的即时运动。这些预测的未来位置用作提示,帮助跟踪实例进一步避免不合理的预测并保持时间一致性。在nuScenes和Argoverse2数据集上的大量实验表明,我们的方法在性能上优于最先进的(SOTA)方法,并且具有良好的效率。

英文摘要:

High-definition (HD) maps are crucial to autonomous driving, providing structured representations of road elements to support navigation and planning. However, existing query-based methods often employ random query initialization and depend on implicit temporal modeling, which lead to temporal inconsistencies and instabilities during the construction of a global map. To overcome these challenges, we introduce a novel end-to-end framework for consistent online HD vectorized map construction, which jointly performs map instance tracking and short-term prediction. First, we propose a Semantic-Aware Query Generator that initializes queries with spatially aligned semantic masks to capture scene-level context globally. Next, we design a History Rasterized Map Memory to store fine-grained instance-level maps for each tracked instance, enabling explicit historical priors. A History-Map Guidance Module then integrates rasterized map information into track queries, improving temporal continuity. Finally, we propose a Short-Term Future Guidance module to forecast the immediate motion of map instances based on the stored history trajectories. These predicted future locations serve as hints for tracked instances to further avoid implausible predictions and keep temporal consistency. Extensive experiments on the nuScenes and Argoverse2 datasets demonstrate that our proposed method outperforms state-of-the-art (SOTA) methods with good efficiency.

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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