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Recently, multi-node inertial measurement unit (IMU)-based odometry for legged robots has gained attention due to its cost-effectiveness, power efficiency, and high accuracy. However, the spatial and temporal misalignment between foot-end…

Robotics · Computer Science 2025-03-11 Chaoran Xiong , Fangyu Jiang , Kehui Ma , Zhen Sun , Zeyu Zhang , Ling Pei

In autonomous driving, Vehicle-Infrastructure Cooperative 3D Object Detection (VIC3D) makes use of multi-view cameras from both vehicles and traffic infrastructure, providing a global vantage point with rich semantic context of road…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Zhe Wang , Siqi Fan , Xiaoliang Huo , Tongda Xu , Yan Wang , Jingjing Liu , Yilun Chen , Ya-Qin Zhang

With the development of neural networks and the increasing popularity of automatic driving, the calibration of the LiDAR and the camera has attracted more and more attention. This calibration task is multi-modal, where the rich color and…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Pengjin Wei , Guohang Yan , Yikang Li , Kun Fang , Jie Yang , Wei Liu

Mobile robots equipped with multiple light detection and ranging (LiDARs) and capable of recognizing their surroundings are increasing due to the minitualization and cost reduction of LiDAR. This paper proposes a target-less extrinsic…

Robotics · Computer Science 2024-09-16 Shun Niijima , Atsushi Suzuki , Ryoichi Tsuzaki , Masaya Kinoshita

Despite the increasing interest in enhancing perception systems for autonomous vehicles, the online calibration between event cameras and LiDAR - two sensors pivotal in capturing comprehensive environmental information - remains unexplored.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Mathieu Cocheteux , Julien Moreau , Franck Davoine

Accurate extrinsic calibration between LiDAR and camera sensors is important for reliable perception in autonomous systems. In this paper, we present a novel multi-objective optimization framework that jointly minimizes the geometric…

Robotics · Computer Science 2025-06-26 Venkat Karramreddy , Rangarajan Ramanujam

Single-vehicle Vision-Language Models (VLMs) are fundamentally constrained by sensor occlusions. While Vehicle-to-Everything (V2X) systems mitigate this, current benchmarks lack the cooperative reasoning required for resolving ambiguities…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Kevin Richard , Alphin Varghese , Colin Pham , David Oh , Srijan Das

Accurate and reliable sensor calibration is essential to fuse LiDAR and inertial measurements, which are usually available in robotic applications. In this paper, we propose a novel LiDAR-IMU calibration method within the continuous-time…

Robotics · Computer Science 2022-05-09 Jiajun Lv , Xingxing Zuo , Kewei Hu , Jinhong Xu , Guoquan Huang , Yong Liu

Millimeter-wave (mmWave) radar systems with large array have pushed radar sensing into a new era, thanks to their high angular resolution. However, our long-term experiments indicate that array elements exhibit phase drift over time and…

Signal Processing · Electrical Eng. & Systems 2025-07-01 Ruixu Geng , Yadong Li , Dongheng Zhang , Pengcheng Huang , Binquan Wang , Binbin Zhang , Zhi Lu , Yang Hu , Yan Chen

Current traditional methods for LiDAR-camera extrinsics estimation depend on offline targets and human efforts, while learning-based approaches resort to iterative refinement for calibration results, posing constraints on their…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Shuang Xu , Sifan Zhou , Zhi Tian , Jizhou Ma , Qiong Nie , Xiangxiang Chu

Sensor fusion is essential for autonomous driving and autonomous robots, and radar-camera fusion systems have gained popularity due to their complementary sensing capabilities. However, accurate calibration between these two sensors is…

Robotics · Computer Science 2024-01-26 Lei Cheng , Siyang Cao

Calibration is an essential prerequisite for the accurate data fusion of LiDAR and camera sensors. Traditional calibration techniques often require specific targets or suitable scenes to obtain reliable 2D-3D correspondences. To tackle the…

Computer Vision and Pattern Recognition · Computer Science 2025-01-29 Shujuan Huang , Chunyu Lin , Yao Zhao

As the autonomous driving industry is slowly maturing, visual map localization is quickly becoming the standard approach to localize cars as accurately as possible. Owing to the rich data returned by visual sensors such as cameras or…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Elhousni Mahdi , Huang Xinming

Camera calibration plays a critical role in various computer vision tasks such as autonomous driving or augmented reality. Widely used camera calibration tools utilize plane pattern based methodology, such as using a chessboard or AprilTag…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Yuzhuo Ren , Feng Hu

Autonomous driving has spurred the development of sensor fusion techniques, which combine data from multiple sensors to improve system performance. In particular, localization system based on sensor fusion , such as Visual Simultaneous…

Systems and Control · Electrical Eng. & Systems 2023-05-16 Xiaowen Tao , Pengxiang Meng , Bing Zhu , Jian Zhao

The present paper proposes optimization-based solutions to visual SLAM with a vehicle-mounted surround-view camera system. Owing to their original use-case, such systems often only contain a single camera facing into either direction and…

Robotics · Computer Science 2025-03-06 Kun Huang , Yifu Wang , Si'ao Zhang , Zhirui Wang , Zhanpeng Ouyang , Zhenghua Yu , Laurent Kneip

Vehicle-to-Vehicle (V2V) cooperative perception has great potential to enhance autonomous driving performance by overcoming perception limitations in complex adverse traffic scenarios (CATS). Meanwhile, data serves as the fundamental…

Robots often rely on RGB images for tasks like manipulation and navigation. However, reliable interaction typically requires a 3D scene representation that is metric-scaled and aligned with the robot reference frame. This depends on…

Robotics · Computer Science 2025-09-11 Davide Allegro , Matteo Terreran , Stefano Ghidoni

Accurate point-wise velocity estimation in 3D is crucial for robot interaction with non-rigid dynamic agents, enabling robust performance in path planning, collision avoidance, and object manipulation in dynamic environments. To this end,…

Robotics · Computer Science 2026-04-13 Landson Guo , Andres M. Diaz Aguilar , William Talbot , Turcan Tuna , Marco Hutter , Cesar Cadena

Achieving safe and reliable autonomous driving relies greatly on the ability to achieve an accurate and robust perception system; however, this cannot be fully realized without precisely calibrated sensors. Environmental and operational…