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While automotive radar sensors are widely adopted and have been used for automatic cruise control and collision avoidance tasks, their application outside of vehicles is still limited. As they have the ability to resolve multiple targets in…

Robotics · Computer Science 2023-06-26 Alexander Tsaregorodtsev , Michael Buchholz , Vasileios Belagiannis

This paper presents a framework for the targetless extrinsic calibration of stereo cameras and Light Detection and Ranging (LiDAR) sensors with a non-overlapping Field of View (FOV). In order to solve the extrinsic calibrations problem…

Robotics · Computer Science 2019-03-07 Jinyong Jeong , Lucas Y. Cho , Ayoung Kim

We present an approach for estimating the pose of an external camera with respect to a robot using a single RGB image of the robot. The image is processed by a deep neural network to detect 2D projections of keypoints (such as joints)…

Camera calibration involves estimating camera parameters to infer geometric features from captured sequences, which is crucial for computer vision and robotics. However, conventional calibration is laborious and requires dedicated…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Kang Liao , Lang Nie , Shujuan Huang , Chunyu Lin , Jing Zhang , Yao Zhao , Moncef Gabbouj , Dacheng Tao

Visual sensor networks are used for monitoring traffic in large cities and are promised to support automated driving in complex road segments. The pose of these sensors, i.e. position and orientation, directly determines the coverage of the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Eduardo Arnold , Sajjad Mozaffari , Mehrdad Dianati , Paul Jennings

We present a novel multi-altitude camera pose estimation system, addressing the challenges of robust and accurate localization across varied altitudes when only considering sparse image input. The system effectively handles diverse…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Yaxuan Li , Yewei Huang , Bijay Gaudel , Hamidreza Jafarnejadsani , Brendan Englot

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

The task of camera calibration is to estimate the intrinsic and extrinsic parameters of a camera model. Though there are some restricted techniques to infer the 3-D information about the scene from uncalibrated cameras, effective camera…

Computer Vision and Pattern Recognition · Computer Science 2016-08-31 Lili Ma , YangQuan Chen , Kevin L. Moore

Determining extrinsic calibration parameters is a necessity in any robotic system composed of actuators and cameras. Once a system is outside the lab environment, parameters must be determined without relying on outside artifacts such as…

Robotics · Computer Science 2018-12-21 Steve McGuire , Christoffer Heckman , Daniel Szafir , Simon Julier , Nisar Ahmed

In order to fuse measurements from multiple sensors mounted on a mobile robot, it is needed to express them in a common reference system through their relative spatial transformations. In this paper, we present a method to estimate the full…

To evaluate end-to-end autonomous driving systems, a simulation environment based on Novel View Synthesis (NVS) techniques is essential, which synthesizes photo-realistic images and point clouds from previously recorded sequences under new…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Ziqian Ni , Sicong Du , Zhenghua Hou , Chenming Wu , Sheng Yang

For human drivers, having rear and side-view mirrors is vital for safe driving. They deliver a more complete view of what is happening around the car. Human drivers also heavily exploit their mental map for navigation. Nonetheless, several…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Simon Hecker , Dengxin Dai , Luc Van Gool

Accurate calibration is crucial for using multiple cameras to triangulate the position of objects precisely. However, it is also a time-consuming process that needs to be repeated for every displacement of the cameras. The standard approach…

Robotics · Computer Science 2024-04-04 Thomas Gossard , Andreas Ziegler , Levin Kolmar , Jonas Tebbe , Andreas Zell

As an essential procedure of data fusion, LiDAR-camera calibration is critical for autonomous vehicles and robot navigation. Most calibration methods rely on hand-crafted features and require significant amounts of extracted features or…

Robotics · Computer Science 2021-04-27 Xudong Lv , Boya Wang , Ziwen Dou , Dong Ye , Shuo Wang

Automatic detection of visual anomalies and changes in the environment has been a topic of recurrent attention in the fields of machine learning and computer vision over the past decades. A visual anomaly or change detection algorithm…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Sahar Salimpour , Jorge Peña Queralta , Tomi Westerlund

We propose a novel external indoor positioning system that computes the position and orientation of multiple model-scale vehicles. For this purpose, we use a camera mounted at a height of 3.3m and LEDs attached to each vehicle. We reach an…

Multiagent Systems · Computer Science 2020-05-27 Maximilian Kloock , Patrick Scheffe , Isabelle Tülleners , Janis Maczijewski , Stefan Kowalewski , Bassam Alrifaee

This paper presents a novel automatic calibration system to estimate the extrinsic parameters of LiDAR mounted on a mobile platform for sensor misalignment inspection in the large-scale production of highly automated vehicles. To obtain…

Image and Video Processing · Electrical Eng. & Systems 2020-08-25 Ji-Hwan You , Seon Taek Oh , Jae-Eun Park , Azim Eskandarian , Young-Keun Kim

Slow motion videos are becoming increasingly popular, but capturing high-resolution videos at extremely high frame rates requires professional high-speed cameras. To mitigate this problem, current techniques increase the frame rate of…

Computer Vision and Pattern Recognition · Computer Science 2020-04-22 Avinash Paliwal , Nima Khademi Kalantari

In 3D reconstruction, the recovery of the calibration parameters of the cameras is paramount since it provides metric information about the observed scene, e.g., measures of angles and ratios of distances. Autocalibration enables the…

Computer Vision and Pattern Recognition · Computer Science 2019-01-21 José I. Ronda , Antonio Valdés , Guillermo Gallego

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
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