Study of fusion enhancement of PCB photoelectricity image

doi:10.3778/j.issn.1002-8331.2009.31.008

Computer Engineering and Applications ›› 2009, Vol. 45 ›› Issue (31): 25-26.DOI: 10.3778/j.issn.1002-8331.2009.31.008

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Study of fusion enhancement of PCB photoelectricity image

QIAO Nao-sheng，YE Yu-tang，HUANG Yong-lin

1.School of Optoelectronic Information，University of Electronic Science and Technology of China，Chengdu 610054，China
2.School of Physics and Electronics，Hunan University of Arts and Science，Changde，Hunan 415000，China

Received:2009-07-27 Revised:2009-09-09 Online:2009-11-01 Published:2009-11-01
Contact: QIAO Nao-sheng

PCB光电图像融合增强研究

乔闹生，叶玉堂，黄永林

1.电子科技大学光电信息学院，成都 610054
2.湖南文理学院物理与电子科学学院，湖南常德 415000

通讯作者: 乔闹生

Abstract

Abstract: The basic principle of image enhancement of linearity gray transform based on removing redundance gray and Butterworth high-pass filter based on the Fourier transform is analyzed，and their realization methods in image enhancement are discussed，their respective advantages are indicated.In order to enhance the Printed Circuit Board（PCB） photoelectricity images with dark color in whole，a novel method of image enhancement of merging both advantages is proposed.The actual image enhancement experiment is executed by PCB photoelectricity image acquired by CCD，the results of the experiment verifies the correctness of the analysis of the basic principle.

Key words: image enhancement, image fusion, linearity gray transform, gray redundance, Butterworth high-pass filter, Printed Circuit Board（PCB） photoelectricity image

摘要： 分析了去灰度冗余的线性灰度变换与基于傅里叶变换的巴特沃斯高通滤波图像增强的基本原理，讨论了它们在图像增强中的实现方法，指出了各自的优点。为了使整体偏暗的印刷电路板（PCB）光电图像更好地增强，提出了结合两者优点的加权平均图像融合增强新方法。对由CCD获取的PCB光电图像进行了实际的图像增强实验，实验结果证明了基本原理分析的正确性。

关键词: 图像增强, 图像融合, 线性灰度变换, 灰度冗余, 巴特沃斯高通滤波, 印刷电络板光电图像

CLC Number:

TP391.41

QIAO Nao-sheng，YE Yu-tang，HUANG Yong-lin. Study of fusion enhancement of PCB photoelectricity image[J]. Computer Engineering and Applications, 2009, 45(31): 25-26.

乔闹生，叶玉堂，黄永林. PCB光电图像融合增强研究[J]. 计算机工程与应用, 2009, 45(31): 25-26.

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Study of fusion enhancement of PCB photoelectricity image

PCB光电图像融合增强研究

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