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Related papers: Fisheye-Calib-Adapter: An Easy Tool for Fisheye Ca…

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We propose an end-to-end deep learning approach to rectify fisheye images and simultaneously calibrate camera intrinsic and distortion parameters. Our method consists of two parts: a Quick Image Rectification Module developed with a Pix2Pix…

Computer Vision and Pattern Recognition · Computer Science 2023-07-14 Xin Shen , Kyungdon Joo , Jean Oh

In the context of computer models, calibration is the process of estimating unknown simulator parameters from observational data. Calibration is variously referred to as model fitting, parameter estimation/inference, an inverse problem, and…

Methodology · Statistics 2023-10-16 Richard D. Wilkinson , Christopher W. Lanyon

Robot-world, hand-eye calibration is the problem of determining the transformation between the robot end-effector and a camera, as well as the transformation between the robot base and the world coordinate system. This relationship has been…

Robotics · Computer Science 2019-07-30 Amy Tabb , Khalil M. Ahmad Yousef

Camera calibration is a fundamental prerequisite for reliable geometric perception, yet classical approaches rely on controlled acquisition setups that are impractical for in-the-wild imagery. Recent learning-based methods have shown…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Boying Li , Cheng Zhang , Weirong Chen , Daniel Cremers , Ian Reid , Hamid Rezatofighi

Accurate LiDAR-camera calibration is crucial for multi-sensor systems. However, traditional methods often rely on physical targets, which are impractical for real-world deployment. Moreover, even carefully calibrated extrinsics can degrade…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Haebeom Jung , Namtae Kim , Jungwoo Kim , Jaesik Park

Precise LiDAR-camera calibration is crucial for integrating these two sensors into robotic systems to achieve robust perception. In applications like autonomous driving, online targetless calibration enables a prompt sensor misalignment…

Robotics · Computer Science 2025-08-12 Shu Han , Xubo Zhu , Ji Wu , Ximeng Cai , Wen Yang , Huai Yu , Gui-Song Xia

In robotics, simulation has the potential to reduce design time and costs, and lead to a more robust engineered solution and a safer development process. However, the use of simulators is predicated on the availability of good models. This…

Robotics · Computer Science 2023-05-12 Huzaifa Mustafa Unjhawala , Ruochun Zhang , Wei Hu , Jinlong Wu , Radu Serban , Dan Negrut

Images captured by fisheye lenses violate the pinhole camera assumption and suffer from distortions. Rectification of fisheye images is therefore a crucial preprocessing step for many computer vision applications. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2018-04-16 Xiaoqing Yin , Xinchao Wang , Jun Yu , Maojun Zhang , Pascal Fua , Dacheng Tao

Hand-eye calibration is a common problem in the field of collaborative robotics, involving the determination of the transformation matrix between the visual sensor and the robot flange to enable vision-based robotic tasks. However, this…

Robotics · Computer Science 2025-05-12 Leihui Li , Lixuepiao Wan , Volker Krueger , Xuping Zhang

Sensor setups of robotic platforms commonly include both camera and LiDAR as they provide complementary information. However, fusing these two modalities typically requires a highly accurate calibration between them. In this paper, we…

This paper presents an open source LiDAR-camera calibration toolbox that is general to LiDAR and camera projection models, requires only one pairing of LiDAR and camera data without a calibration target, and is fully automatic. For…

Robotics · Computer Science 2023-02-13 Kenji Koide , Shuji Oishi , Masashi Yokozuka , Atsuhiko Banno

Vision-language models such as CLIP are pretrained on large volumes of internet sourced image and text pairs, and have been shown to sometimes exhibit impressive zero- and low-shot image classification performance. However, due to their…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Omiros Pantazis , Gabriel Brostow , Kate Jones , Oisin Mac Aodha

Accurate extrinsic sensor calibration is essential for both autonomous vehicles and robots. Traditionally this is an involved process requiring calibration targets, known fiducial markers and is generally performed in a lab. Moreover, even…

Robotics · Computer Science 2021-03-18 Celyn Walters , Oscar Mendez , Simon Hadfield , Richard Bowden

360-degree visual content is widely shared on platforms such as YouTube and plays a central role in virtual reality, robotics, and autonomous navigation. However, consumer-grade dual-fisheye systems consistently yield imperfect panoramas…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Changha Shin , Woong Oh Cho , Seon Joo Kim

The above-mentioned work [1] in IEEE-TR'08 presented an extended Kalman filter for calibrating the misalignment between a camera and an IMU. As one of the main contributions, the locally weakly observable analysis was carried out using Lie…

Robotics · Computer Science 2013-11-26 Yuanxin Wu

Single-view depth estimation suffers from the problem that a network trained on images from one camera does not generalize to images taken with a different camera model. Thus, changing the camera model requires collecting an entirely new…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Jose M. Facil , Benjamin Ummenhofer , Huizhong Zhou , Luis Montesano , Thomas Brox , Javier Civera

The homogeneous transformation between a LiDAR and monocular camera is required for sensor fusion tasks, such as SLAM. While determining such a transformation is not considered glamorous in any sense of the word, it is nonetheless crucial…

Robotics · Computer Science 2020-07-30 Jiunn-Kai Huang , Jessy W. Grizzle

Estimating camera intrinsic parameters without prior scene knowledge is a fundamental challenge in computer vision. This capability is particularly important for applications such as autonomous driving and vehicle platooning, where…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Gregory Schroeder , Mohamed Sabry , Cristina Olaverri-Monreal

Fast binary descriptors build the core for many vision based applications with real-time demands like object detection, Visual Odometry or SLAM. Commonly it is assumed, that the acquired images and thus the patches extracted around…

Computer Vision and Pattern Recognition · Computer Science 2016-10-26 Steffen Urban , Stefan Hinz

Camera arrays (CamArrays) are widely used in commercial filming projects for achieving special visual effects such as bullet time effect, but are very expensive to set up. We propose CamSwarm, a low-cost and lightweight alternative to…

Human-Computer Interaction · Computer Science 2015-07-10 Yan Wang , Jue Wang , Shih-Fu Chang