Calibrating Laser Three-Dimensional Projection Systems Using Binocular Vision-Reference-Cited by-同舟云学术

Calibrating Laser Three-Dimensional Projection Systems Using Binocular Vision

Published:2023-02-09 Issue:4 Volume:23 Page:1941
ISSN:1424-8220
Container-title:Sensors
language:en
Short-container-title:Sensors

Author:

Lao Dabao¹,Wang Yukai¹,Wang Fang¹,Gao Chao²

Affiliation:

1. College of Automation, University of Science and Technology Beijing, Beijing 100083, China

2. Institute of Microelectronics of the Chinese Academy of Sciences, Beijing 100029, China

Abstract

A laser three-dimensional (3D) projection system is an auxiliary system in intelligent manufacturing. It works with a positioning system in practical applications. This study proposes a calibration method for laser 3D projection systems based on binocular vision. The significance of the binocular vision positioning function for the calibration process was analyzed. Two calibration methods for laser 3D projection systems based on the binocular vision positioning function were proposed. One method involves simplified calculation models and another used data to solve the conversion relationship. The experimental calibration of the projection system was performed using data to directly solve the conversion relationship. The experiment demonstrated the simplicity of the proposed calibration method. The calculation time was less under the 3D laser projection system based on binocular vision. Moreover, the mean calibration error was 0.38 mm at a working distance of 1.8–2.2 m.

Funder

National Key Research and Development Program of China

Publisher

MDPI AG

Subject

Electrical and Electronic Engineering,Biochemistry,Instrumentation,Atomic and Molecular Physics, and Optics,Analytical Chemistry

Link

https://www.mdpi.com/1424-8220/23/4/1941/pdf

Reference18 articles.

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