Precise and Rapid Positioning of Mark Point Based on the Arc Projection Algorithm

被引：0
|
作者：
Huang, Yinhua [1 ,2 ]
Li, Dongbo [1 ]
Tong, Yifei [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Sch Mech Engn, Nanjing 210004, Jiangsu, Peoples R China
[2] Huaian Coll Informat Technol, Dept Automobile Engn, Huaian 223003, Peoples R China
来源：
AGRO FOOD INDUSTRY HI-TECH | 2017年 / 28卷 / 03期
关键词：
mark point precise and rapid positioning; arc projection algorithm; projection difference; ransacfitting; difference smoothing;
D O I：
暂无
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
The existingalgorithm of the Surface Mount Technology (SMT) circuit board in high-speed SMT production is not so precise and rapid. Thus, a new mark point positioning algorithm based on arc projection was proposed to solve precise and rapid positioning in SMT circuit board in this study. Template matching algorithm is replaced by arc projection algorithm in the precise and rapid positioning. Arc projection algorithm including arc projection calculation, projection difference, the difference smoothing, extreme value point screening, binary K-means clustering and ransac fitting. The algorithm implementequick fitting for the mark point, so as to realize the accurate location of the mark point.
引用
收藏
页码：3153 / 3158
页数：6
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