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Traffic Sign Recognition (TSR) systems play a critical role in Autonomous Driving (AD) systems, enabling real-time detection of road signs, such as STOP and speed limit signs. While these systems are increasingly integrated into commercial…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Chen Ma , Ningfei Wang , Junhao Zheng , Qing Guo , Qian Wang , Qi Alfred Chen , Chao Shen

User mobility trajectory and mobile traffic data are essential for a wide spectrum of applications including urban planning, network optimization, and emergency management. However, large-scale and fine-grained mobility data remains…

Networking and Internet Architecture · Computer Science 2025-10-14 Ziyi Liu , Qingyue Long , Zhiwen Xue , Huandong Wang , Yong Li

Diffusion-based models have shown strong performance in video super-resolution (VSR) and video frame interpolation (VFI). However, their role in the coupled space-time video super-resolution (STVSR) setting remains limited. Existing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Zheng Chen , Ruofan Yang , Jin Han , Dehua Song , Zichen Zou , Chunming He , Yong Guo , Yulun Zhang

Stable partitioned techniques for simulating unsteady fluid-structure interaction (FSI) are known to be computationally expensive when high added-mass is involved. Multiple coupling strategies have been developed to accelerate these…

Computational Engineering, Finance, and Science · Computer Science 2025-02-18 Azzeddine Tiba , Thibault Dairay , Florian de Vuyst , Iraj Mortazavi , Juan-Pedro Berro Ramirez

Accurate inference of fine-grained traffic flow from coarse-grained one is an emerging yet crucial problem, which can help greatly reduce the number of the required traffic monitoring sensors for cost savings. In this work, we notice that…

Machine Learning · Computer Science 2023-10-27 Lingbo Liu , Mengmeng Liu , Guanbin Li , Ziyi Wu , Junfan Lin , Liang Lin

In Earth remote sensing, spatial-frequency domain visibility samples are inversely transformed into spatial-domain brightness temperature (BT) images through the signal processing pipeline of synthetic aperture interferometric radiometers…

Signal Processing · Electrical Eng. & Systems 2026-04-03 Yuankai Luo , Han Zhou , Jinlong Hao , Dong Zhu , Fei Hu

Infrared imaging is essential for autonomous driving and robotic operations as a supportive modality due to its reliable performance in challenging environments. Despite its popularity, the limitations of infrared cameras, such as low…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Xingyuan Li , Zirui Wang , Yang Zou , Zhixin Chen , Jun Ma , Zhiying Jiang , Long Ma , Jinyuan Liu

We present a novel learning-based collision avoidance algorithm, CrowdSteer, for mobile robots operating in dense and crowded environments. Our approach is end-to-end and uses multiple perception sensors such as a 2-D lidar along with a…

Robotics · Computer Science 2020-04-30 Jing Liang , Utsav Patel , Adarsh Jagan Sathyamoorthy , Dinesh Manocha

We report a novel physics-informed neural framework for reconstructing unsteady fluid-structure interactions (FSI) from sparse, single-phase observations of the flow. Our approach combines a modal surface model with coordinate neural…

Fluid Dynamics · Physics 2026-04-07 Rui Tang , Ke Zhou , Jifu Tan , Samuel J. Grauer

Drivers' visual attention provides critical cues for anticipating latent hazards and directly shapes decision-making and control maneuvers, where its absence can compromise traffic safety. To emulate drivers' perception patterns and advance…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Weimin Liu , Qingkun Li , Jiyuan Qiu , Wenjun Wang , Joshua H. Meng

Generating realistic and diverse road scenarios is essential for autonomous vehicle testing and validation. Nevertheless, owing to the complexity and variability of real-world road environments, creating authentic and varied scenarios for…

Robotics · Computer Science 2024-11-15 Junjie Zhou , Lin Wang , Qiang Meng , Xiaofan Wang

Self-driving cars and trucks, autonomous vehicles (AVs), should not be accepted by regulatory bodies and the public until they have much higher confidence in their safety and reliability -- which can most practically and convincingly be…

Software Engineering · Computer Science 2022-07-22 Ziyuan Zhong , Gail Kaiser , Baishakhi Ray

Intelligent Transportation System (ITS) has become one of the essential components in Industry 4.0. As one of the critical indicators of ITS, efficiency has attracted wide attention from researchers. However, the next generation of urban…

Multiagent Systems · Computer Science 2021-05-06 Tianhao Wu , Mingzhi Jiang , Yinhui Han , Zheng Yuan , Lin Zhang

Generative diffusion models for end-to-end autonomous driving often suffer from mode collapse, tending to generate conservative and homogeneous behaviors. While DiffusionDrive employs predefined anchors representing different driving…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Jialv Zou , Shaoyu Chen , Bencheng Liao , Zhiyu Zheng , Yuehao Song , Lefei Zhang , Qian Zhang , Wenyu Liu , Xinggang Wang

Rapid urbanization calls for smart traffic management solutions that incorporate sensors, distributed traffic controllers and V2X communication technologies to provide fine-grained traffic control to mitigate congestion. As in many other…

Cryptography and Security · Computer Science 2020-03-10 Pratham Oza , Mahsa Foruhandeh , Ryan Gerdes , Thidapat Chantem

Collaborative perception allows connected and autonomous vehicles (CAVs) to improve perception by sharing sensory data, but it also introduces security risks from manipulated inputs. Prior work shows that attackers can spoof or remove…

Cryptography and Security · Computer Science 2026-05-05 Qingzhao Zhang , Runting Zhang , Z. Morley Mao

Computer vision techniques play a central role in the perception stack of autonomous vehicles. Such methods are employed to perceive the vehicle surroundings given sensor data. 3D LiDAR sensors are commonly used to collect sparse 3D point…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Lucas Nunes , Rodrigo Marcuzzi , Benedikt Mersch , Jens Behley , Cyrill Stachniss

Traffic simulation software is used by transportation researchers and engineers to design and evaluate changes to roadways. These simulators are driven by models of microscopic driver behavior from which macroscopic measures like flow and…

Machine Learning · Computer Science 2023-07-21 Franklin Abodo

Acting in cluttered environments requires predicting and avoiding collisions while still achieving precise control. Conventional optimization-based controllers can enforce physical constraints, but they struggle to produce feasible…

Benchmarking vision-based driving policies is challenging. On one hand, open-loop evaluation with real data is easy, but these results do not reflect closed-loop performance. On the other, closed-loop evaluation is possible in simulation,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Daniel Dauner , Marcel Hallgarten , Tianyu Li , Xinshuo Weng , Zhiyu Huang , Zetong Yang , Hongyang Li , Igor Gilitschenski , Boris Ivanovic , Marco Pavone , Andreas Geiger , Kashyap Chitta