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Camera calibration is an essential prerequisite for event-based vision applications. Current event camera calibration methods typically involve using flashing patterns, reconstructing intensity images, and utilizing the features extracted…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Zibin Liu , Banglei Guan , Yang Shang , Zhenbao Yu , Yifei Bian , Qifeng Yu

Many underwater applications rely on vision sensors and require proper camera calibration, i.e. knowing the incoming light ray for each pixel in the image. While for the ideal pinhole camera model all viewing rays intersect in a single 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Felix Seegräber , Mengkun She , Felix Woelk , Kevin Köser

Hand-eye calibration aims to estimate the transformation between a camera and a robot. Traditional methods rely on fiducial markers, which require considerable manual effort and precise setup. Recent advances in deep learning have…

Robotics · Computer Science 2025-12-01 Tutian Tang , Minghao Liu , Wenqiang Xu , Cewu Lu

Camera calibration is a crucial step in robotics and computer vision. Accurate camera parameters are necessary to achieve robust applications. Nowadays, camera calibration process consists of adjusting a set of data to a pin-hole model,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-08 Carlos Ricolfe-Viala , Alicia Esparza

Hand-eye calibration is the problem of estimating the spatial transformation between a reference frame, usually the base of a robot arm or its gripper, and the reference frame of one or multiple cameras. Generally, this calibration is…

Robotics · Computer Science 2023-07-31 Daniele Evangelista , Emilio Olivastri , Davide Allegro , Emanuele Menegatti , Alberto Pretto

In industrial scenarios, effective human-robot collaboration relies on multi-camera systems to robustly monitor human operators despite the occlusions that typically show up in a robotic workcell. In this scenario, precise localization of…

Robotics · Computer Science 2024-06-18 Davide Allegro , Matteo Terreran , Stefano Ghidoni

For many computer vision applications, the availability of camera calibration data is crucial as overall quality heavily depends on it. While calibration data is available on some devices through Augmented Reality (AR) frameworks like…

Computer Vision and Pattern Recognition · Computer Science 2019-08-16 Pavel Rojtberg , Felix Gorschlüter

Feed-forward foundation models for multi-view 3-dimensional (3D) reconstruction have been trained on large-scale datasets of perspective images; when tested on wide field-of-view images, e.g., from a fisheye camera, their performance…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Ruxiao Duan , Erin Hong , Dongxu Zhao , Eric Turner , Alex Wong , Yunwen Zhou

We present a real-time feature-based SLAM (Simultaneous Localization and Mapping) system for fisheye cameras featured by a large field-of-view (FoV). Large FoV cameras are beneficial for large-scale outdoor SLAM applications, because they…

Robotics · Computer Science 2019-02-28 Yahui Wang , Shaojun Cai , Shi-Jie Li , Yun Liu , Yangyan Guo , Tao Li , Ming-Ming Cheng

Multi-camera systems have been shown to improve the accuracy and robustness of SLAM estimates, yet state-of-the-art SLAM systems predominantly support monocular or stereo setups. This paper presents a generic sparse visual SLAM framework…

Event camera, a bio-inspired asynchronous triggered camera, offers promising prospects for fusion with frame-based cameras owing to its low latency and high dynamic range. However, calibrating stereo vision systems that incorporate both…

Robotics · Computer Science 2024-10-07 Shaoan Wang , Zhanhua Xin , Yaoqing Hu , Dongyue Li , Mingzhu Zhu , Junzhi Yu

Camera calibration is integral to robotics and computer vision algorithms that seek to infer geometric properties of the scene from visual input streams. In practice, calibration is a laborious procedure requiring specialized data…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Jiading Fang , Igor Vasiljevic , Vitor Guizilini , Rares Ambrus , Greg Shakhnarovich , Adrien Gaidon , Matthew R. Walter

A framework for online simultaneous localization, mapping and self-calibration is presented which can detect and handle significant change in the calibration parameters. Estimates are computed in constant-time by factoring the problem and…

Computer Vision and Pattern Recognition · Computer Science 2014-11-06 Nima Keivan , Gabe Sibley

Currently, there are no learning-free or neural techniques for real-time recalibration of infrared multi-camera systems. In this paper, we address the challenge of real-time, highly-accurate calibration of multi-camera infrared systems, a…

Computer Vision and Pattern Recognition · Computer Science 2024-10-21 Benyamin Mehmandar , Reza Talakoob , Charalambos Poullis

Both, robot and hand-eye calibration haven been object to research for decades. While current approaches manage to precisely and robustly identify the parameters of a robot's kinematic model, they still rely on external devices, such as…

Robotics · Computer Science 2022-06-08 Arne Peters

Camera-to-robot (also known as eye-to-hand) calibration is a critical component of vision-based robot manipulation. Traditional marker-based methods often require human intervention for system setup. Furthermore, existing autonomous…

Robotics · Computer Science 2025-03-20 Podshara Chanrungmaneekul , Yiting Chen , Joshua T. Grace , Aaron M. Dollar , Kaiyu Hang

Hand-eye calibration is an important task in vision-guided robotic systems and is crucial for determining the transformation matrix between the camera coordinate system and the robot end-effector. Existing methods, for multi-view robotic…

Robotics · Computer Science 2025-07-29 Ye Wang , Haodong Jing , Yang Liao , Yongqiang Ma , Nanning Zheng

Accurate camera-to-lidar calibration is a requirement for sensor data fusion in many 3D perception tasks. In this paper, we present SceneCalib, a novel method for simultaneous self-calibration of extrinsic and intrinsic parameters in a…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Ayon Sen , Gang Pan , Anton Mitrokhin , Ashraful Islam

Automated driving systems use multi-modal sensor suites to ensure the reliable, redundant and robust perception of the operating domain, for example camera and LiDAR. An accurate extrinsic calibration is required to fuse the camera and…

Computer Vision and Pattern Recognition · Computer Science 2023-06-26 Jack Borer , Jeremy Tschirner , Florian Ölsner , Stefan Milz

The adoption of fisheye cameras in robotic manipulation, driven by their exceptionally wide Field of View (FoV), is rapidly outpacing a systematic understanding of their downstream effects on policy learning. This paper presents the first…

Robotics · Computer Science 2026-03-03 Han Xue , Nan Min , Xiaotong Liu , Wendi Chen , Yuan Fang , Jun Lv , Cewu Lu , Chuan Wen