| 多孔零件二维几何量高精检测系统的研究 |
| |
| 引用本文： | 周虹,罗晓曙,何富运.多孔零件二维几何量高精检测系统的研究[J].计算机工程与设计,2010,31(1). |
| |
| 作者姓名： | 周虹 罗晓曙 何富运 |
| |
| 作者单位： | 广西师范大学,电子工程学院,广西,桂林,541004 |
| |
| 基金项目： | 广西研究生教育创新计划基金项目 |
| |
| 摘 要： | 为了提高工业零件检测效率和测量精度,研究了基于图像检测技术的多孔零件二维几何量的测量问题.先对CCD获取的零件图像进行分析处理以改善图像的可识别性,采用基于二次曲线拟合的快速亚像素边缘定位算法快速提取零件的精确边缘,从而提高系统的测量精度,并运用Hough变换计算被测零件的几何参数.实测结果表明,该系统的测量精度和准确度高,边缘定位精度达0.1 pixel,检测精度达101μm,最大相对误差为0.4%.
|
| 关 键 词： | 图像检测 测量精度 亚像素边缘 Hough变换 多孔零件 |
Study on high-precision image detection system for two-dimensional geometric quantities of porous parts |
| |
| ZHOU Hong,LUO Xiao-shu,HE Fu-yun.Study on high-precision image detection system for two-dimensional geometric quantities of porous parts[J].Computer Engineering and Design,2010,31(1). |
| |
| Authors: | ZHOU Hong LUO Xiao-shu HE Fu-yun |
| |
| Affiliation: | ZHOU Hong,LUO Xiao-shu,HE Fu-yun(College of Electronic Engineering,Guangxi Normal University,Guilin 541004,China) |
| |
| Abstract: | To improve detection efficiency and measurement accuracy of the industrial parts,two-dimensional geometric quantities mea-surement of porous parts based on image detection technology is studied.Firstly,the parts image obtained by CCD is analysed and pro-cessed to improve the image identifiability.Then,the fast sub-pixel edge location method based on conic fitting is adopted to extract the accurate edge of parts quickly so as to improve the measurement accuracy of system.Finally,the geometric parameters are ... |
| |
| Keywords: | imaging detection measurement accuracy sub-pixel edge Hough transform porous parts |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
