测试技术学报2017，Vol.31Issue(3)：223-226,4.DOI:10.3969/j.issn.1671-7449.2017.03.007
一种基于亮度阈值的激光光斑中心定位算法
An Algorithm of Center Locating of Laser Spot Based on Intensity Threshold
摘要
Abstract
Center locating of laser spot is the key technology to laser displacement measurement.In order to improve the real-time performance of bridge deflection measuring system, this paper proposed a method of center locating of laser spot for laser image.The light intensity of laser spot is much larger than the intensity of other region.According to this characteristic, an intensity threshold is defined in order to get the binary image which only has laser spot.The principle is used to fit the center of laser spot that the midpoints of all parallel chords are in one straight line which is through the center of a circle.This method is simple, and has less calculation, so the measuring system using this method will be fast, and meets the demand of the real-time capacity.A good result has been achieved in measuring equipment.关键词
激光图像/光斑中心/定位算法/亮度阈值/桥梁挠度测量Key words
laser image/spot center/locating algorithm/intensity threshold/bridge deflection measurement分类
信息技术与安全科学引用本文复制引用
郭玉静,魏丽..一种基于亮度阈值的激光光斑中心定位算法[J].测试技术学报,2017,31(3):223-226,4.基金项目
河北省高等学校科学技术研究项目(Z2015120) （Z2015120）
