计量学报2026，Vol.47Issue(4)：515-522,8.DOI:10.3969/j.issn.1000-1158.2026.04.06
基于LT-CDBO算法的三维激光投影内参标定
Intrinsic Calibration of Three-dimensional Laser Projection Systems Based on the LT-CDBO Algorithm
摘要
Abstract
To improve the calibration accuracy of a 3D laser projection system,a method for internal parameter calibration based on an improved dung beetle optimization algorithm(LT-CDBO)is proposed.This method is used to determine the mapping relationship between the projection coordinate system and the 2D galvanometer deflection angles in a 3D projection system.The original dung beetle algorithm is enhanced by introducing Logistic-Tent chaotic mapping to initialize the population,ensuring population diversity.Additionally,a Cauchy mutation strategy is employed to mutate the optimal solution of the dung beetle algorithm,thereby improving the algorithm's global search capability.Experimental results show that,compared to the particle swarm optimization and dung beetle optimizer,the root mean square error(ERMSE)of the internal parameter calibration results using the proposed improved dung beetle algorithm is reduced by 44.79%and 18.74%,respectively.It can provide a new optimization method for improving the calibration accuracy of internal parameters in 3D laser projection systems.关键词
三维激光投影/内参标定/蜣螂算法/Logistic-Tent混沌映射/柯西变异策略Key words
three-dimensional laser projection/internal parameter calibration/dung beetle algorithm/Logistic-Tent chaotic mapping/Cauchy mutation strategy分类
通用工业技术引用本文复制引用
刘沛,王劲松,傅思思,徐鑫..基于LT-CDBO算法的三维激光投影内参标定[J].计量学报,2026,47(4):515-522,8.基金项目
中山市创新团队专项(CXTD2023006) （CXTD2023006）
