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Related papers: LCCNet: LiDAR and Camera Self-Calibration using Co…

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Vision-based depth estimation is a key feature in autonomous systems, which often relies on a single camera or several independent ones. In such a monocular setup, dense depth is obtained with either additional input from one or several…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Florent Bartoccioni , Éloi Zablocki , Patrick Pérez , Matthieu Cord , Karteek Alahari

Reliable uncertainty estimation is crucial for perception systems in safe autonomous driving. Recently, many methods have been proposed to model uncertainties in deep learning based object detectors. However, the estimated probabilities are…

Robotics · Computer Science 2019-09-30 Di Feng , Lars Rosenbaum , Claudius Glaeser , Fabian Timm , Klaus Dietmayer

This work presents an extrinsic parameter estimation algorithm between a 3D LIDAR and a Projective Camera using a marker-less planar target, by exploiting Planar Surface Point to Plane and Planar Edge Point to back-projected Plane geometric…

Robotics · Computer Science 2020-05-20 Subodh Mishra , Gaurav Pandey , Srikanth Saripalli

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

Loop closing and relocalization are crucial techniques to establish reliable and robust long-term SLAM by addressing pose estimation drift and degeneration. This article begins by formulating loop closing and relocalization within a unified…

Robotics · Computer Science 2023-09-18 Chenghao Shi , Xieyuanli Chen , Junhao Xiao , Bin Dai , Huimin Lu

In this paper, we present LaserNet, a computationally efficient method for 3D object detection from LiDAR data for autonomous driving. The efficiency results from processing LiDAR data in the native range view of the sensor, where the input…

Computer Vision and Pattern Recognition · Computer Science 2019-03-22 Gregory P. Meyer , Ankit Laddha , Eric Kee , Carlos Vallespi-Gonzalez , Carl K. Wellington

Convolutional Neural Networks (CNNs) have recently been shown to excel at performing visual place recognition under changing appearance and viewpoint. Previously, place recognition has been improved by intelligently selecting relevant…

Robotics · Computer Science 2018-10-31 Stephen Hausler , Adam Jacobson , Michael Milford

The large amount of data collected by LiDAR sensors brings the issue of LiDAR point cloud compression (PCC). Previous works on LiDAR PCC have used range image representations and followed the predictive coding paradigm to create a basic…

Multimedia · Computer Science 2023-03-10 Chia-Sheng Liu , Jia-Fong Yeh , Hao Hsu , Hung-Ting Su , Ming-Sui Lee , Winston H. Hsu

Single image camera calibration is the task of estimating the camera parameters from a single input image, such as the vanishing points, focal length, and horizon line. In this work, we propose Camera calibration TRansformer with…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Jinwoo Lee , Hyunsung Go , Hyunjoon Lee , Sunghyun Cho , Minhyuk Sung , Junho Kim

Deep neural networks (DNNs) have enabled astounding progress in several vision-based problems. Despite showing high predictive accuracy, recently, several works have revealed that they tend to provide overconfident predictions and thus are…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Muhammad Akhtar Munir , Muhammad Haris Khan , Salman Khan , Fahad Shahbaz Khan

The use of infrastructure sensor technology for traffic detection has already been proven several times. However, extrinsic sensor calibration is still a challenge for the operator. While previous approaches are unable to calibrate the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Laurent Kloeker , Christian Kotulla , Lutz Eckstein

In this paper, we present TEScalib, a novel extrinsic self-calibration approach of LiDAR and stereo camera using the geometric and photometric information of surrounding environments without any calibration targets for automated driving…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Haohao Hu , Fengze Han , Frank Bieder , Jan-Hendrik Pauls , Christoph Stiller

In classical computer vision, rectification is an integral part of multi-view depth estimation. It typically includes epipolar rectification and lens distortion correction. This process simplifies the depth estimation significantly, and…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Varun Ravi Kumar , Senthil Yogamani , Markus Bach , Christian Witt , Stefan Milz , Patrick Mader

This paper presents a lightweight, efficient calibration neural network model for denoising low-cost microelectromechanical system (MEMS) gyroscope and estimating the attitude of a robot in real-time. The key idea is extracting local and…

Robotics · Computer Science 2022-09-20 Yaohua Liu , Wei Liang , Jinqiang Cui

This paper presents a groundbreaking approach - the first online automatic geometric calibration method for radar and camera systems. Given the significant data sparsity and measurement uncertainty in radar height data, achieving automatic…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Van-Tin Luu , Yon-Lin Cai , Vu-Hoang Tran , Wei-Chen Chiu , Yi-Ting Chen , Ching-Chun Huang

Deep learning based LiDAR odometry (LO) estimation attracts increasing research interests in the field of autonomous driving and robotics. Existing works feed consecutive LiDAR frames into neural networks as point clouds and match pairs in…

Computer Vision and Pattern Recognition · Computer Science 2020-09-02 Ce Zheng , Yecheng Lyu , Ming Li , Ziming Zhang

Accurate and reliable sensor calibration is essential to fuse LiDAR and inertial measurements, which are usually available in robotic applications. In this paper, we propose a novel LiDAR-IMU calibration method within the continuous-time…

Robotics · Computer Science 2022-05-09 Jiajun Lv , Xingxing Zuo , Kewei Hu , Jinhong Xu , Guoquan Huang , Yong Liu

Point cloud datasets for perception tasks in the context of autonomous driving often rely on high resolution 64-layer Light Detection and Ranging (LIDAR) scanners. They are expensive to deploy on real-world autonomous driving sensor…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Leonardo Gigli , B Ravi Kiran , Thomas Paul , Andres Serna , Nagarjuna Vemuri , Beatriz Marcotegui , Santiago Velasco-Forero

Many approaches have been proposed to estimate camera poses by directly minimizing photometric error. However, due to the non-convex property of direct alignment, proper initialization is still required for these methods. Many robust norms…

Robotics · Computer Science 2019-10-17 Ke Wang , Kaixuan Wang , Shaojie Shen

Object detection is one of the most fundamental yet challenging research topics in the domain of computer vision. Recently, the study on this topic in aerial images has made tremendous progress. However, complex background and worse imaging…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Zongqi Wei , Dong Liang , Dong Zhang , Liyan Zhang , Qixiang Geng , Mingqiang Wei , Huiyu Zhou
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