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Accurate extrinsic calibration between multiple LiDAR sensors and a GNSS-aided inertial navigation system (GINS) is essential for achieving reliable sensor fusion in intelligent mining environments. Such calibration enables vehicle-road…

Robotics · Computer Science 2025-07-14 Junhui Wang , Yan Qiao , Chao Gao , Naiqi Wu

Multi-camera multi-object tracking (MCMOT) faces significant challenges in maintaining consistent object identities across varying camera perspectives, particularly when precise calibration and extensive annotations are required. In this…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Ruiqi Xian , Deep Patel , Iain Melvin , Sanjoy Kundu , Martin Renqiang Min , Dinesh Manocha

This paper introduces a novel self-supervised learning framework for enhancing 3D perception in autonomous driving scenes. Specifically, our approach, namely NCLR, focuses on 2D-3D neural calibration, a novel pretext task that estimates the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Yifan Zhang , Junhui Hou , Siyu Ren , Jinjian Wu , Yixuan Yuan , Guangming Shi

We propose a method for automatic calibration of a traffic surveillance camera with wide-angle lenses. Video footage of a few minutes is sufficient for the entire calibration process to take place. This method takes in the height of the…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Aman Gajendra Jain , Nicolas Saunier

Augmented Reality and mobile robots are gaining much attention within industries due to the high potential to make processes cost and time efficient. To facilitate augmented reality, a calibration between the Augmented Reality device and…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Linh Kästner , Vlad Catalin Frasineanu , Jens Lambrecht

The purpose of this study is to develop an automated and accurate external camera calibration method for multi-camera systems used in 3D surgical scene reconstruction (3D-SSR), eliminating the need for operator intervention or specialized…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Tim Flückiger , Jonas Hein , Valery Fischer , Philipp Fürnstahl , Lilian Calvet

In view of contemporary panoramic camera-laser scanner system, the traditional calibration method is not suitable for panoramic cameras whose imaging model is extremely nonlinear. The method based on statistical optimization has the…

Computer Vision and Pattern Recognition · Computer Science 2017-09-14 Mingwei Cao , Ming Yang , Chunxiang Wang , Yeqiang Qian , Bing Wang

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

We present a novel approach for mobile manipulator self-calibration using contact information. Our method, based on point cloud registration, is applied to estimate the extrinsic transform between a fixed vision sensor mounted on a mobile…

Robotics · Computer Science 2018-10-23 Oliver Limoyo , Trevor Ablett , Filip Marić , Luke Volpatti , Jonathan Kelly

Calibration of deep learning models is crucial to their trustworthiness and safe usage, and as such, has been extensively studied in supervised classification models, with methods crafted to decrease miscalibration. However, there has yet…

Computer Vision and Pattern Recognition · Computer Science 2023-04-20 Will LeVine , Benjamin Pikus , Pranav Raja , Fernando Amat Gil

Environment perception is a key component of any autonomous system and is often based on a heterogeneous set of sensors and fusion thereof for which sensor sensor calibration plays fundamental role. It can be divided to intrinsic and…

Robotics · Computer Science 2019-01-01 Juraj Peršić

Reliable multimodal sensor fusion algorithms require accurate spatiotemporal calibration. Recently, targetless calibration techniques based on implicit neural representations have proven to provide precise and robust results. Nevertheless,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Quentin Herau , Moussab Bennehar , Arthur Moreau , Nathan Piasco , Luis Roldao , Dzmitry Tsishkou , Cyrille Migniot , Pascal Vasseur , Cédric Demonceaux

The recent years have given rise to a large number of techniques for "looking around corners", i.e., for reconstructing occluded objects from time-resolved measurements of indirect light reflections off a wall. While the direct view of…

Image and Video Processing · Electrical Eng. & Systems 2023-07-19 Jonathan Klein , Martin Laurenzis , Matthias B. Hullin , Julian Iseringhausen

Camera calibration is an important prerequisite towards the solution of 3D computer vision problems. Traditional methods rely on static images of a calibration pattern. This raises interesting challenges towards the practical usage of event…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 Kun Huang , Yifu Wang , Laurent Kneip

LiDAR-camera extrinsic calibration (LCEC) is crucial for data fusion in intelligent vehicles. Offline, target-based approaches have long been the preferred choice in this field. However, they often demonstrate poor adaptability to…

Robotics · Computer Science 2024-06-21 Zhiwei Huang , Yikang Zhang , Qijun Chen , Rui Fan

In this paper, we propose SCALAR, a calibration method to simultaneously calibrate the kinematic parameters of a 6-DoF robot and the extrinsic parameters of a 2D Laser Range Finder (LRF) attached to the robot's flange. The calibration setup…

Robotics · Computer Science 2019-08-13 Teguh Santoso Lembono , Francisco Suárez-Ruiz , Quang-Cuong Pham

Precise collaboration in vision-based dual-arm robot systems requires accurate system calibration. Recent dual-robot calibration methods have achieved strong performance by simultaneously solving multiple coordinate transformations.…

Robotics · Computer Science 2026-03-17 Tianyu Huang , Bohan Yang , Bin Li , Wenpan Li , Haoang Li , Wenlong Li , Yun-Hui Liu

Perception is one of the key abilities of autonomous mobile robotic systems, which often relies on fusion of heterogeneous sensors. Although this heterogeneity presents a challenge for sensor calibration, it is also the main prospect for…

Robotics · Computer Science 2019-04-09 Juraj Peršić , Luka Petrović , Ivan Marković , Ivan Petrović

Modern visual recognition models often display overconfidence due to their reliance on complex deep neural networks and one-hot target supervision, resulting in unreliable confidence scores that necessitate calibration. While current…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Tianshui Chen , Weihang Wang , Tao Pu , Jinghui Qin , Zhijing Yang , Jie Liu , Liang Lin

Visual navigation devices require precise calibration to achieve high-precision localization and navigation, which includes camera and attitude calibration. To address the limitations of time-consuming camera calibration and complex…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Shunkun Liang , Dongcai Tan , Banglei Guan , Zhang Li , Guangcheng Dai , Nianpeng Pan , Liang Shen , Yang Shang , Qifeng Yu