INHOMOGENEOUS ILLUMINATED IMAGES REGISTRATION BASED ON WAVELET DECOMPOSITION

被引：0
|
作者：
Luo, Bing [1 ]
Gan, Jun-Ying [1 ]
机构：
[1] Wuyi Univ, Sch Informat, Jiangmen 529020, Guangdong, Peoples R China
来源：
PROCEEDINGS OF 2009 INTERNATIONAL CONFERENCE ON WAVELET ANALYSIS AND PATTERN RECOGNITION | 2009年
关键词：
Image registration; Wavelet decomposition; Image fusion; Machine vision; Inhomogeneous illumination;
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In PCB SMT assembly products automated machine vision inspection, images registration is necessary for getting an entire PCB image. Because of inhomogeneous illumination in engineering images capturing, conventional mosaic method can not deal with it. High frequency coefficients of wavelet decomposition reflect the contour of the image and that of illumination variety is relative small. So images registration based on wavelet decomposition can be robust for machine vision inspection. Using projection of wavelet decomposition coefficients to instead of mutual correlation can simplify the calculation from 2D to 1D. Experimental results show this approach is effective, robust and quick.
引用
收藏
页码：365 / 368
页数：4
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