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The local road network information is essential for autonomous navigation. This information is commonly obtained from offline HD-Maps in terms of lane graphs. However, the local road network at a given moment can be drastically different…

Computer Vision and Pattern Recognition · Computer Science 2023-07-26 Yigit Baran Can , Alexander Liniger , Danda Pani Paudel , Luc Van Gool

Understanding terrain topology at long-range is crucial for the success of off-road robotic missions, especially when navigating at high-speeds. LiDAR sensors, which are currently heavily relied upon for geometric mapping, provide sparse…

3D neural networks are widely used in real-world applications (e.g., AR/VR headsets, self-driving cars). They are required to be fast and accurate; however, limited hardware resources on edge devices make these requirements rather…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Zhijian Liu , Haotian Tang , Shengyu Zhao , Kevin Shao , Song Han

This paper introduces a new approach to extract and analyze vector data from technical drawings in PDF format. Our method involves converting PDF files into SVG format and creating a feature-rich graph representation, which captures the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Andrea Carrara , Stavros Nousias , André Borrmann

Generating city-scale lane-level maps faces significant challenges due to the intricate urban environments, such as blurred or absent lane markings. Additionally, a standard lane-level map requires a comprehensive organization of lane…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Deguo Xia , Weiming Zhang , Xiyan Liu , Wei Zhang , Chenting Gong , Jizhou Huang , Mengmeng Yang , Diange Yang

High Definition (HD) maps are necessary for many applications of automated driving (AD), but their manual creation and maintenance is very costly. Vehicle fleet data from series production vehicles can be used to automatically generate HD…

Despite tremendous advancements in bird's-eye view (BEV) perception, existing models fall short in generating realistic and coherent semantic map layouts, and they fail to account for uncertainties arising from partial sensor information…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Xiyue Zhu , Vlas Zyrianov , Zhijian Liu , Shenlong Wang

Multimodal named entity recognition and relation extraction (MNER and MRE) is a fundamental and crucial branch in information extraction. However, existing approaches for MNER and MRE usually suffer from error sensitivity when irrelevant…

Computation and Language · Computer Science 2022-12-01 Xiang Chen , Ningyu Zhang , Lei Li , Yunzhi Yao , Shumin Deng , Chuanqi Tan , Fei Huang , Luo Si , Huajun Chen

As a core task in intelligent transportation systems, traffic forecasting plays a critical role in urban traffic management. Accurate traffic forecasting relies on modeling complex spatiotemporal dependencies, which is inherently…

Artificial Intelligence · Computer Science 2026-05-26 Ruiwen Gu , Yahao Liu , Zhenyu Liu , Qitai Tan , Xiao-Ping Zhang

When planning for autonomous driving, it is crucial to consider essential traffic elements such as lanes, intersections, traffic regulations, and dynamic agents. However, they are often overlooked by the traditional end-to-end planning…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Guoliang You , Xiaomeng Chu , Yifan Duan , Wenyu Zhang , Xingchen Li , Sha Zhang , Yao Li , Jianmin Ji , Yanyong Zhang

We present 3DVNet, a novel multi-view stereo (MVS) depth-prediction method that combines the advantages of previous depth-based and volumetric MVS approaches. Our key idea is the use of a 3D scene-modeling network that iteratively updates a…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Alexander Rich , Noah Stier , Pradeep Sen , Tobias Höllerer

Online mapping reduces the reliance of autonomous vehicles on high-definition (HD) maps, significantly enhancing scalability. However, recent advancements often overlook cross-sensor configuration generalization, leading to performance…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Hengyuan Zhang , David Paz , Yuliang Guo , Xinyu Huang , Henrik I. Christensen , Liu Ren

High-definition (HD) map construction methods are crucial for providing precise and comprehensive static environmental information, which is essential for autonomous driving systems. While Camera-LiDAR fusion techniques have shown promising…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Xiaoshuai Hao , Yuting Zhao , Yuheng Ji , Luanyuan Dai , Peng Hao , Dingzhe Li , Shuai Cheng , Rong Yin

Existing motion planning methods often struggle with rapid-motion obstacles due to an insufficient understanding of environmental changes. To address this, we propose integrating motion planners with Doppler LiDARs, which provide not only…

Robotics · Computer Science 2026-05-26 Wei Zuo , Zeyi Ren , Chengyang Li , Yikun Wang , Mingle Zhao , Shuai Wang , Wei Sui , Fei Gao , Yik-Chung Wu , Chengzhong Xu

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

High-fidelity reconstruction of driving scenes is crucial for autonomous driving. While recent feedforward 3D Gaussian Splatting (3DGS) methods enable fast reconstruction, their per-pixel Gaussian prediction paradigm often suffers from…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Cheng Chi , Xianqi Wang , Hongcheng Luo , Mingfei Tu , Gangwei Xu , Zehan Zhang , Bing Wang , Guang Chen , Hangjun Ye , Sida Peng , Xin Yang , Haiyang Sun

In autonomous driving, robust place recognition is critical for global localization and loop closure detection. While inter-modality fusion of camera and LiDAR data in multimodal place recognition (MPR) has shown promise in overcoming the…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Jingyi Xu , Zhangshuo Qi , Zhongmiao Yan , Xuyu Gao , Qianyun Jiao , Songpengcheng Xia , Xieyuanli Chen , Ling Pei

In a busy city street, a pedestrian surrounded by distractions can pick out a single sign if it is relevant to their route. Artificial agents in outdoor Vision-and-Language Navigation (VLN) are also confronted with detecting supervisory…

Machine Learning · Computer Science 2022-11-21 Jason Armitage , Leonardo Impett , Rico Sennrich

Effective use of camera-based vision systems is essential for robust performance in autonomous off-road driving, particularly in the high-speed regime. Despite success in structured, on-road settings, current end-to-end approaches for scene…

High-definition (HD) mapping tasks, which perform lane detections and predictions, are extremely challenging due to non-ideal conditions such as view occlusions, distant lane visibility, and adverse weather conditions. Those conditions…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Mingyang Li , Brian Lee , Rui Zuo , Brent Bacchus , Priyantha Mudalige , Qinru Qiu