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Although LiDAR sensors are crucial for autonomous systems due to providing precise depth information, they struggle with capturing fine object details, especially at a distance, due to sparse and non-uniform data. Recent advances introduced…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Tiago Cortinhal , Idriss Gouigah , Eren Erdal Aksoy

Autonomous driving vehicles and robotic systems rely on accurate perception of their surroundings. Scene understanding is one of the crucial components of perception modules. Among all available sensors, LiDARs are one of the essential…

Computer Vision and Pattern Recognition · Computer Science 2021-03-17 Ryan Razani , Ran Cheng , Ehsan Taghavi , Liu Bingbing

LiDAR scene generation is critical for mitigating real-world LiDAR data collection costs and enhancing the robustness of downstream perception tasks in autonomous driving. However, existing methods commonly struggle to capture geometric…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Jiuming Liu , Zheng Huang , Mengmeng Liu , Tianchen Deng , Francesco Nex , Hao Cheng , Hesheng Wang

Lidar point cloud synthesis based on generative models offers a promising solution to augment deep learning pipelines, particularly when real-world data is scarce or lacks diversity. By enabling flexible object manipulation, this synthesis…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Zhengkang Xiang , Zizhao Li , Amir Khodabandeh , Kourosh Khoshelham

Robust semantic perception for autonomous vehicles relies on effectively combining multiple sensors with complementary strengths and weaknesses. State-of-the-art sensor fusion approaches to semantic perception often treat sensor data…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Tim Broedermannn , Christos Sakaridis , Luigi Piccinelli , Wim Abbeloos , Luc Van Gool

Recently, Vehicle-to-Everything(V2X) cooperative perception has attracted increasing attention. Infrastructure sensors play a critical role in this research field; however, how to find the optimal placement of infrastructure sensors is…

Robotics · Computer Science 2025-01-15 Xinyu Cai , Wentao Jiang , Runsheng Xu , Wenquan Zhao , Jiaqi Ma , Si Liu , Yikang Li

LiDAR point clouds have become the most common data source in autonomous driving. However, due to the sparsity of point clouds, accurate and reliable detection cannot be achieved in specific scenarios. Because of their complementarity with…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Leichao Cui , Xiuxian Li , Min Meng , Xiaoyu Mo

This article presents an innovative study in exploring, evaluating, and implementing deep learning architectures for the calibration of multi-modal sensor systems. The focus behind this is to leverage the use of sensor fusion to achieve…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Venkat Karramreddy , Liam Mitchell

Autonomous vehicles (AVs) are expected to revolutionize transportation by improving efficiency and safety. Their success relies on 3D vision systems that effectively sense the environment and detect traffic agents. Among sensors AVs use to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Amirhesam Aghanouri , Cristina Olaverri-Monreal

Virtual testing is a crucial task to ensure safety in autonomous driving, and sensor simulation is an important task in this domain. Most current LiDAR simulations are very simplistic and are mainly used to perform initial tests, while the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-08 Richard Marcus , Niklas Knoop , Bernhard Egger , Marc Stamminger

We present LiDAR-EDIT, a novel paradigm for generating synthetic LiDAR data for autonomous driving. Our framework edits real-world LiDAR scans by introducing new object layouts while preserving the realism of the background environment.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Shing-Hei Ho , Bao Thach , Minghan Zhu

Autonomous driving system development is critically dependent on the ability to replay complex and diverse traffic scenarios in simulation. In such scenarios, the ability to accurately simulate the vehicle sensors such as cameras, lidar or…

Computer Vision and Pattern Recognition · Computer Science 2020-06-26 Zhenpei Yang , Yuning Chai , Dragomir Anguelov , Yin Zhou , Pei Sun , Dumitru Erhan , Sean Rafferty , Henrik Kretzschmar

In a fully autonomous driving framework, where vehicles operate without human intervention, information sharing plays a fundamental role. In this context, new network solutions have to be designed to handle the large volumes of data…

Networking and Internet Architecture · Computer Science 2021-03-08 Andrea Varischio , Francesco Mandruzzato , Marcello Bullo , Marco Giordani , Paolo Testolina , Michele Zorzi

Synthesizing high-fidelity and controllable 4D LiDAR data is crucial for creating scalable simulation environments for autonomous driving. This task is inherently challenging due to the sensor's unique spherical geometry, the temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Pei Liu , Songtao Wang , Lang Zhang , Xingyue Peng , Yuandong Lyu , Jiaxin Deng , Songxin Lu , Weiliang Ma , Xueyang Zhang , Yifei Zhan , XianPeng Lang , Jun Ma

Autonomous driving has seen remarkable advancements, largely driven by extensive real-world data collection. However, acquiring diverse and corner-case data remains costly and inefficient. Generative models have emerged as a promising…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Tao Tang , Enhui Ma , xia zhou , Letian Wang , Tianyi Yan , Xueyang Zhang , Kun Zhan , Peng Jia , XianPeng Lang , Jia-Wang Bian , Kaicheng Yu , Xiaodan Liang

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

We present RadarGen, a diffusion model for synthesizing realistic automotive radar point clouds from multi-view camera imagery. RadarGen adapts efficient image-latent diffusion to the radar domain by representing radar measurements in…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Tomer Borreda , Fangqiang Ding , Sanja Fidler , Shengyu Huang , Or Litany

Understanding and replicating the real world is a critical challenge in Artificial General Intelligence (AGI) research. To achieve this, many existing approaches, such as world models, aim to capture the fundamental principles governing the…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Yuqi Hu , Longguang Wang , Xian Liu , Ling-Hao Chen , Yuwei Guo , Yukai Shi , Ce Liu , Anyi Rao , Zeyu Wang , Hui Xiong

Lidar-based sensing drives current autonomous vehicles. Despite rapid progress, current Lidar sensors still lag two decades behind traditional color cameras in terms of resolution and cost. For autonomous driving, this means that large…

Computer Vision and Pattern Recognition · Computer Science 2021-11-15 Tianwei Yin , Xingyi Zhou , Philipp Krähenbühl

Simulation is central to the evaluation of intelligent transportation system (ITS) applications. As ITS increasingly incorporates autonomous vehicle (AV) technologies as fleet vehicles and/or mobile sensors, accurate modeling of their…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Tianheng Zhu , Yiheng Feng