计量学报2024，Vol.45Issue(4)：480-488,9.DOI:10.3969/j.issn.1000-1158.2024.04.03
基于LM方法的麻花钻刃带宽度测量研究
Research on Measurement of Fried Dough Twists Drill Edge Band Width Based on LM Method
摘要
Abstract
A detection method of twist drill blade width based on binarization is proposed.Firstly,the target edge is sharpened,and then the edge information is extracted by Butterworth high-pass filtering.Secondly,through the improved Otsu binarization algorithm,the suspected edge points are threshold segmentation and the coordinates of the edge points are obtained.Again,the Levenberg-Marquardt(LM)method is used to fit the points near the edge,so as to get the edge band width curve and its inflection point,and get the data of edge band width of twist drill.Finally,the contrast experiment is carried out,and the untreated M35 blade image with a diameter of 2.5 cm is processed by LM method,the blade width is 1.467 mm,and the measurement error is 0.467 mm..The improved measurement result is 0.853 mm and the measurement error is 0.147 mm.关键词
几何量计量/麻花钻刃带宽度/列文伯格-马夸尔特方法/二值化算法/视觉测量Key words
geometric measurement/width of twists drill blade/LM method/binary algorithm/visual measurement分类
通用工业技术引用本文复制引用
周正,台立钢,陈志远,张禹..基于LM方法的麻花钻刃带宽度测量研究[J].计量学报,2024,45(4):480-488,9.基金项目
国家自然科学基金(52005344,51775354) （52005344,51775354）
辽宁省科技厅重点实验室联合基金(2020-KF-12-07) （2020-KF-12-07）
