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Related papers: A Novel Dual-Lidar Calibration Algorithm Using Pla…

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Owing to the capability for reliable and all-weather long-range sensing, the fusion of LiDAR and Radar has been widely applied to autonomous vehicles for robust perception. In practical operation, well manually calibrated extrinsic…

Robotics · Computer Science 2025-03-24 Weimin Wang , Yu Du , Ting Yang , Yu Liu

Perception in 3D has become standard practice for a large part of robotics applications. High quality 3D perception is costly. Our previous work on a nodding 2D Lidar provides high quality 3D depth information with low cost, but the sparse…

Computer Vision and Pattern Recognition · Computer Science 2020-01-01 Anindya Harchowdhury , Lindsay Kleeman , Leena Vachhani

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

Despite an emerging interest in MIMO radar, the utilization of its complementary strengths in combination with optical depth sensors has so far been limited to far-field applications, due to the challenges that arise from mutual sensor…

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

This paper proposes FAST-Calib, a fast and user-friendly LiDAR-camera extrinsic calibration tool based on a custom-made 3D target. FAST-Calib supports both mechanical and solid-state LiDARs by leveraging an efficient and reliable edge…

Robotics · Computer Science 2025-07-24 Chunran Zheng , Fu Zhang

LiDAR-camera extrinsic calibration is essential for multi-modal data fusion in robotic perception systems. However, existing approaches typically rely on handcrafted calibration targets (e.g., checkerboards) or specific, static scene types,…

Robotics · Computer Science 2026-01-06 Zhiwei Huang , Yanwei Fu , Yi Zhou , Xieyuanli Chen , Qijun Chen , Rui Fan

Depth cameras, typically in RGB-D configurations, are common devices in mobile robotic platforms given their appealing features: high frequency and resolution, low price and power requirements, among others. These sensors may come with…

Robotics · Computer Science 2019-07-04 David Zuñiga-Noël , Jose-Raul Ruiz-Sarmiento , Javier Gonzalez-Jimenez

LiDAR-camera systems have become increasingly popular in robotics recently. A critical and initial step in integrating the LiDAR and camera data is the calibration of the LiDAR-camera system. Most existing calibration methods rely on…

Robotics · Computer Science 2025-04-02 Shuyi Zhou , Shuxiang Xie , Ryoichi Ishikawa , Takeshi Oishi

Laser line scanners are increasingly being used in the subsea industry for high-resolution mapping and infrastructure inspection. However, calibrating the 3D pose of the scanner relative to the vehicle is a perennial source of confusion and…

Robotics · Computer Science 2024-03-12 Thomas Hitchcox , James Richard Forbes

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

Accurate camera-LiDAR calibration is a prerequisite for robust multi-modal perception in robotics. Recent target-less approaches based on deep point correspondences achieve remarkable performance for extrinsic calibration but assume…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Simon Bultmann , Daniele Cattaneo , Abhinav Valada

We propose an algorithm for automatic, targetless, extrinsic calibration of a LiDAR and camera system using semantic information. We achieve this goal by maximizing mutual information (MI) of semantic information between sensors, leveraging…

Computer Vision and Pattern Recognition · Computer Science 2021-04-27 Peng Jiang , Philip Osteen , Srikanth Saripalli

Circular targets are widely used in LiDAR-camera extrinsic calibration due to their geometric consistency and ease of detection. However, achieving accurate 3D-2D circular center correspondence remains challenging. Existing methods often…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Jiajun Jiang , Xiao Hu , Wancheng Liu , Wei Jiang

4D radar has emerged as a critical sensor for autonomous driving, primarily due to its enhanced capabilities in elevation measurement and higher resolution compared to traditional 3D radar. Effective integration of 4D radar with cameras…

In LiDAR sensing, glass, mirrors and other material often cause inconsistent data readings, because the laser beams may report the distance of the glass, the distance of the object behind the glass or the distance to a reflected object.…

Robotics · Computer Science 2024-06-18 Yinjie Li , Xiting Zhao , Sören Schwertfeger

Self-driving vehicles (SDVs) require accurate calibration of LiDARs and cameras to fuse sensor data accurately for autonomy. Traditional calibration methods typically leverage fiducials captured in a controlled and structured scene and…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Ze Yang , George Chen , Haowei Zhang , Kevin Ta , Ioan Andrei Bârsan , Daniel Murphy , Sivabalan Manivasagam , Raquel Urtasun

We present a novel target-based lidar-camera extrinsic calibration methodology that can be used for non-overlapping field of view (FOV) sensors. Contrary to previous work, our methodology overcomes the non-overlapping FOV challenge using a…

Robotics · Computer Science 2025-03-04 Nicholas Charron , Huaiyuan Weng , Steven L. Waslander , Sriram Narasimhan

Calibrating the extrinsic parameters of sensory devices is crucial for fusing multi-modal data. Recently, event cameras have emerged as a promising type of neuromorphic sensors, with many potential applications in fields such as mobile…

Robotics · Computer Science 2023-05-09 Wanli Xing , Shijie Lin , Lei Yang , Jia Pan

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…