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基于高斯-洛伦兹分峰拟合的线结构光条中心的提取方法

Extraction Method of Line-Structured Light Stripe Center Based on Gauss-Lorenz Decomposition Peak Fitting

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摘要

研究了一种适用于不同类型光条图像的光条中心提取方法。构建了光条的截面能量模型,分析了不同成像质量光条的截面能量组成,构建了高斯-洛伦兹分峰拟合模型; 基于所构建模型,依次对光条图像进行灰度归一化、感兴趣区域提取、高斯-洛伦兹分峰拟合、去洛伦兹分量处理,利用灰度重心法提取出精确的光条中心。对比实验结果表明,本文方法对不同类型光条图像的提取具有适用性强、精确度高,但耗时长的特点; 然而对强漫反射和镜面反射光条的提取耗时仅为当前效果最好Steger法的1/2。

Abstract

A light stripe center extraction algorithm is proposed based on Gauss-Lorenz peak fitting, which is suitable for different types of light stripe images. The cross-sectional energy model of a light stripe is built and the cross-sectional energy compositions of light stripes with different image qualities are analyzed, thus the Gauss-Lorenz decomposition fitting model is constructed. Based on the constructed model, the successive gray normalization, extraction of regions of interest, Gauss-Lorenz decomposition peak fitting and removal of Lorentzian components are acted on the light stripe images. The accurate light stripe center can be extracted with the gray centroid method. The contrast experimental results show that the proposed method has the characteristics of high extraction accuracy, strong applicability, but long time-consumption for different types of light stripe images. However, if it is applied to strong diffuse reflection and specular reflection light stipes, its time consumption is only half of that of Steger algorithm with the best effect at present.

Newport宣传-MKS新实验室计划
补充资料

中图分类号:TG806;TP391

DOI:10.3788/lop56.071201

所属栏目:仪器,测量与计量

基金项目:江西省教育厅科学技术研究项目(GJJ171141)、煤炭资源与安全开采国家重点实验室开放课题(SKLCRSM16KFD03)、江西省萍乡市科技计划项目(ZC201701)

收稿日期:2018-09-11

修改稿日期:2018-10-01

网络出版日期:2018-10-22

作者单位    点击查看

李涛涛:萍乡学院机械电子工程学院, 江西 萍乡 337055中国矿业大学(北京)煤炭资源与安全开采国家重点实验室, 北京 100083
杨峰:中国矿业大学(北京)煤炭资源与安全开采国家重点实验室, 北京 100083
李石庚:萍乡学院机械电子工程学院, 江西 萍乡 337055
何宇:萍乡学院机械电子工程学院, 江西 萍乡 337055

联系人作者:李涛涛(ltaotao1988@126.com)

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引用该论文

Li Taotao,Yang Feng,Li Shigeng,He Yu. Extraction Method of Line-Structured Light Stripe Center Based on Gauss-Lorenz Decomposition Peak Fitting[J]. Laser & Optoelectronics Progress, 2019, 56(7): 071201

李涛涛,杨峰,李石庚,何宇. 基于高斯-洛伦兹分峰拟合的线结构光条中心的提取方法[J]. 激光与光电子学进展, 2019, 56(7): 071201

被引情况

【1】周京博,李玥华,秦志英,黄风山,武哲. 基于参考靶标的线结构光传感器标定. 光学学报, 2019, 39(4): 412005--1

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