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A Two-Step 3D LiDAR-Camera Calibration Method Using AR Tags

  • Jiaxin Luo
  • , Wenhui Cui
  • , Xiaorong Shen*
  • *Corresponding author for this work
  • Beihang University
  • Liaoning Agricultural Technical College

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this paper, we present a simple and precise method of 3D LiDAR-Camera calibration. Our algorithm introduces a two-step method which contains coarse estimating and accurate optimization. The coarse estimating involves solving a Random Sample Consensus (RANSAC) version of Perspective-n-Point (PnP) problem by the means of matching 2D-3D point correspondences in LiDAR and camera frame. Then we implement a RANSAC algorithm on LiDAR points for plane fitting and easily obtain multiple planes parameters in camera frame with Augmented Reality (AR) tags. Finally, the accurate optimization utilizes plane correspondences in camera and LiDAR frame for a precise result. Our proposed method just needs one frame measurement and the physical size of AR tags. A succession of experiments is conducted to show the validity of our algorithm.

Original languageEnglish
Title of host publicationProceedings of 2021 Chinese Intelligent Systems Conference - Volume II
EditorsYingmin Jia, Weicun Zhang, Yongling Fu, Zhiyuan Yu, Song Zheng
PublisherSpringer Science and Business Media Deutschland GmbH
Pages443-452
Number of pages10
ISBN (Print)9789811663239
DOIs
StatePublished - 2022
Event17th Chinese Intelligent Systems Conference, CISC 2021 - Fuzhou, China
Duration: 16 Oct 202117 Oct 2021

Publication series

NameLecture Notes in Electrical Engineering
Volume804 LNEE
ISSN (Print)1876-1100
ISSN (Electronic)1876-1119

Conference

Conference17th Chinese Intelligent Systems Conference, CISC 2021
Country/TerritoryChina
CityFuzhou
Period16/10/2117/10/21

Keywords

  • 3D LiDAR
  • 3D LiDAR-Camera calibration
  • Camera

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