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Online HD map construction is a fundamental task in autonomous driving systems, aiming to acquire semantic information of map elements around the ego vehicle based on real-time sensor inputs. Recently, several approaches have achieved…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Ziyang Yan , Ruikai Li , Zhiyong Cui , Bohan Li , Han Jiang , Yilong Ren , Aoyong Li , Zhenning Li , Sijia Wen , Haiyang Yu

High-definition maps (HD maps) play a crucial role in the development, safety validation, and operation of highly automated vehicles. Efficiently collecting up-to-date sensor data from road segments and obtaining accurate maps from these…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Robert Krajewski , Huijo Kim

Online high-definition (HD) map construction is crucial for scaling autonomous driving systems. While Transformer-based methods have become prevalent in online HD map construction, most existing approaches overlook the inherent spatial…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Tianhui Cai , Yun Zhang , Zewei Zhou , Zhiyu Huang , Jiaqi Ma

We propose an online 3D semantic segmentation method that incrementally reconstructs a 3D semantic map from a stream of RGB-D frames. Unlike offline methods, ours is directly applicable to scenarios with real-time constraints, such as…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Silvan Weder , Francis Engelmann , Johannes L. Schönberger , Akihito Seki , Marc Pollefeys , Martin R. Oswald

Online high-definition (HD) map construction is an essential part of a safe and robust end-to-end autonomous driving (AD) pipeline. Onboard camera-based approaches suffer from limited depth perception and degraded accuracy due to occlusion.…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Kanak Mazumder , Fabian B. Flohr

Currently, High-Definition (HD) maps are a prerequisite for the stable operation of autonomous vehicles. Such maps contain information about all static road objects for the vehicle to consider during navigation, such as road edges, road…

Robotics · Computer Science 2023-11-01 Mohamed Sayed , Stepan Perminov , Dzmitry Tsetserukou

Autonomous vehicles are gradually entering city roads today, with the help of high-definition maps (HDMaps). However, the reliance on HDMaps prevents autonomous vehicles from stepping into regions without this expensive digital…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Zhou Jiang , Zhenxin Zhu , Pengfei Li , Huan-ang Gao , Tianyuan Yuan , Yongliang Shi , Hang Zhao , Hao Zhao

High Definition (HD) maps are maps with precise definitions of road lanes with rich semantics of the traffic rules. They are critical for several key stages in an autonomous driving system, including motion forecasting and planning.…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Lu Mi , Hang Zhao , Charlie Nash , Xiaohan Jin , Jiyang Gao , Chen Sun , Cordelia Schmid , Nir Shavit , Yuning Chai , Dragomir Anguelov

Robust and accurate localization is critical for autonomous driving. Traditional GNSS-based localization methods suffer from signal occlusion and multipath effects in urban environments. Meanwhile, methods relying on high-definition (HD)…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Zijie Zhou , Zhangshuo Qi , Luqi Cheng , Guangming Xiong

Reliable autonomous driving systems require high-definition (HD) map that contains detailed map information for planning and navigation. However, pre-build HD map requires a large cost. Visual-based Online Map Generation (OMG) has become an…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Ziming Liu , Leichen Wang , Ge Yang , Xinrun Li , Xingtao Hu , Hao Sun , Guangyu Gao

Autonomous vehicles rely on map information to understand the world around them. However, the creation and maintenance of offline high-definition (HD) maps remains costly. A more scalable alternative lies in online HD map construction,…

Robotics · Computer Science 2026-05-25 Jonas Merkert , Alexander Blumberg , Jan-Hendrik Pauls , Christoph Stiller

Vectorized high-definition (HD) maps contain detailed information about surrounding road elements, which are crucial for various downstream tasks in modern autonomous vehicles, such as motion planning and vehicle control. Recent works…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Zhenhua Xu , Kwan-Yee. K. Wong , Hengshuang Zhao

To handle the two shortcomings of existing methods, (i)nearly all models rely on high-definition (HD) maps, yet the map information is not always available in real traffic scenes and HD map-building is expensive and time-consuming and (ii)…

Artificial Intelligence · Computer Science 2023-11-14 Junhong Xiang , Jingmin Zhang , Zhixiong Nan

Recent advancements in end-to-end autonomous driving systems (ADSs) underscore their potential for perception and planning capabilities. However, challenges remain. Complex driving scenarios contain rich semantic information, yet ambiguous…

Robotics · Computer Science 2025-11-18 Haowen Jiang , Xinyu Huang , You Lu , Dingji Wang , Yuheng Cao , Chaofeng Sha , Bihuan Chen , Keyu Chen , Xin Peng

High-definition (HD) semantic maps are crucial in enabling autonomous vehicles to navigate urban environments. The traditional method of creating offline HD maps involves labor-intensive manual annotation processes, which are not only…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Xuan Xiong , Yicheng Liu , Tianyuan Yuan , Yue Wang , Yilun Wang , Hang Zhao

LiDAR-based 3D object detection plays an essential role in autonomous driving. Existing high-performing 3D object detectors usually build dense feature maps in the backbone network and prediction head. However, the computational costs…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Gang Zhang , Junnan Chen , Guohuan Gao , Jianmin Li , Si Liu , Xiaolin Hu

The efficient fusion of depth maps is a key part of most state-of-the-art 3D reconstruction methods. Besides requiring high accuracy, these depth fusion methods need to be scalable and real-time capable. To this end, we present a novel…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Silvan Weder , Johannes L. Schönberger , Marc Pollefeys , Martin R. Oswald

Online dense mapping of urban scenes forms a fundamental cornerstone for scene understanding and navigation of autonomous vehicles. Recent advancements in mapping methods are mainly based on NeRF, whose rendering speed is too slow to meet…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Ke Wu , Kaizhao Zhang , Zhiwei Zhang , Shanshuai Yuan , Muer Tie , Julong Wei , Zijun Xu , Jieru Zhao , Zhongxue Gan , Wenchao Ding

While HDMaps are a crucial component of autonomous driving, they are expensive to acquire and maintain. Estimating these maps from sensors therefore promises to significantly lighten costs. These estimations however overlook existing…

Machine Learning · Computer Science 2024-03-15 Rémy Sun , Li Yang , Diane Lingrand , Frédéric Precioso

High-speed obstacle avoidance of uncrewed aerial vehicles (UAVs) in cluttered environments is a significant challenge. Existing UAV planning and obstacle avoidance systems can only fly at moderate speeds or at high speeds over empty or…

Robotics · Computer Science 2025-05-26 Minghao Lu , Xiyu Fan , Bowen Xu , Zexuan Yan , Rui Peng , Han Chen , Lixian Zhang , Peng Lu