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In GPS-denied scenarios, a robust environmental perception and localization system becomes crucial for autonomous driving. In this paper, a LiDAR-based online localization system is developed, incorporating road marking detection and…

Robotics · Computer Science 2024-07-03 Yansong Gong , Xinglian Zhang , Jingyi Feng , Xiao He , Dan Zhang

Current medical image segmentation approaches have limitations in deeply exploring multi-scale information and effectively combining local detail textures with global contextual semantic information. This results in over-segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-08 Zhenkun Lu , Chaoyin She , Wei Wang , Qinghua Huang

Traffic forecasting is an indispensable part of Intelligent transportation systems (ITS), and long-term network-wide accurate traffic speed forecasting is one of the most challenging tasks. Recently, deep learning methods have become…

Artificial Intelligence · Computer Science 2021-04-13 Haoyang Yan , Xiaolei Ma

Autonomous driving requires accurate scene understanding, including road geometry, traffic agents, and their semantic relationships. In online HD map generation scenarios, raster-based representations are well-suited to vision models but…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Zhigang Sun , Yiru Wang , Anqing Jiang , Shuo Wang , Yu Gao , Yuwen Heng , Shouyi Zhang , An He , Hao Jiang , Jinhao Chai , Zichong Gu , Wang Jijun , Shichen Tang , Lavdim Halilaj , Juergen Luettin , Hao Sun

Online scene perception and topology reasoning are critical for autonomous vehicles to understand their driving environments, particularly for mapless driving systems that endeavor to reduce reliance on costly High-Definition (HD) maps.…

Robotics · Computer Science 2025-06-27 Muleilan Pei , Jiayao Shan , Peiliang Li , Jieqi Shi , Jing Huo , Yang Gao , Shaojie Shen

Computer graphics, 3D computer vision and robotics communities have produced multiple approaches to represent and generate 3D shapes, as well as a vast number of use cases. However, single-view reconstruction remains a challenging topic…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Alara Dirik , Pinar Yanardag

High-definition (HD) maps are evolving from pre-annotated to real-time construction to better support autonomous driving in diverse scenarios. However, this process is hindered by low-quality input data caused by onboard sensors limited…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Bingyuan Huang , Guanyi Zhao , Qian Xu , Yang Lou , Yung-Hui Li , Jianping Wang

This paper presents a robust approach for a visual parallel tracking and mapping (PTAM) system that excels in challenging environments. Our proposed method combines the strengths of heterogeneous multi-modal visual sensors, including stereo…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Abanob Soliman , Fabien Bonardi , Désiré Sidibé , Samia Bouchafa

The construction of online vectorized High-Definition (HD) maps is critical for downstream prediction and planning. Recent efforts have built strong baselines for this task, however, shapes and relations of instances in urban road systems…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Zhixin Zhang , Yiyuan Zhang , Xiaohan Ding , Fusheng Jin , Xiangyu Yue

High-definition (HD) maps are essential in testing autonomous driving systems (ADSs). HD maps essentially determine the potential diversity of the testing scenarios. However, the current HD maps suffer from two main limitations: lack of…

Software Engineering · Computer Science 2022-06-22 Yun Tang , Yuan Zhou , Kairui Yang , Ziyuan Zhong , Baishakhi Ray , Yang Liu , Ping Zhang , Junbo Chen

Recently the dense Simultaneous Localization and Mapping (SLAM) based on neural implicit representation has shown impressive progress in hole filling and high-fidelity mapping. Nevertheless, existing methods either heavily rely on known…

Robotics · Computer Science 2024-11-07 Jiahui Wang , Yinan Deng , Yi Yang , Yufeng Yue

In this letter, we present a neural field-based real-time monocular mapping framework for accurate and dense Simultaneous Localization and Mapping (SLAM). Recent neural mapping frameworks show promising results, but rely on RGB-D or pose…

Robotics · Computer Science 2023-12-18 Wei Zhang , Tiecheng Sun , Sen Wang , Qing Cheng , Norbert Haala

High-quality surface normal can help improve geometry estimation in problems faced by autonomous vehicles, such as collision avoidance and occlusion inference. While a considerable volume of literature focuses on densely scanned indoor…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Ancheng Lin , Jun Li , Yusheng Xiang , Wei Bian , Mukesh Prasad

Large Language Models (LLMs) show potential for enhancing robotic path planning. This paper assesses visual input's utility for multimodal LLMs in such tasks via a comprehensive benchmark. We evaluated 15 multimodal LLMs on generating valid…

Robotics · Computer Science 2025-07-17 Jacinto Colan , Ana Davila , Yasuhisa Hasegawa

The recent success of hybrid methods in monocular odometry has led to many attempts to generalize the performance gains to hybrid monocular SLAM. However, most attempts fall short in several respects, with the most prominent issue being the…

Robotics · Computer Science 2023-06-14 Georges Younes , Douaa Khalil , John Zelek , Daniel Asmar

Amidst the rapid advancement of camera-based autonomous driving technology, effectiveness is often prioritized with limited attention to computational efficiency. To address this issue, this paper introduces LRHPerception, a real-time…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Haixi Zhang , Aiyinsi Zuo , Zirui Li , Chunshu Wu , Tong Geng , Zhiyao Duan

High-definition (HD) Map systems will play a pivotal role in advancing autonomous driving to a higher level, thanks to the significant improvement over traditional two-dimensional (2D) maps. Creating an HD Map requires a huge amount of…

Networking and Internet Architecture · Computer Science 2024-02-23 Jeffrey Redondo , Zhenhui Yuan , Nauman Aslam

The rise of large language models (LLMs) has made natural language-driven route planning an emerging research area that encompasses rich user objectives. Current research exhibits two distinct approaches: direct route planning using…

Artificial Intelligence · Computer Science 2025-09-17 Liangqi Yuan , Dong-Jun Han , Christopher G. Brinton , Sabine Brunswicker

Long-term visual localization in outdoor environment is a challenging problem, especially faced with the cross-seasonal, bi-directional tasks and changing environment. In this paper we propose a novel visual inertial localization framework…

Robotics · Computer Science 2018-03-06 Xiaqing Ding , Yue Wang , Dongxuan Li , Li Tang , Huan Yin , Rong Xiong

A typical VLSI design flow is divided into separated front-end logic synthesis and back-end physical design (PD) stages, which often require costly iterations between these stages to achieve design closure. Existing approaches face…

Logic in Computer Science · Computer Science 2024-08-16 Hongyang Pan , Cunqing Lan , Yiting Liu , Zhiang Wang , Li Shang , Xuan Zeng , Fan Yang , Keren Zhu