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PCB welding spot detection with image processing method based on automatic threshold image segmentation algorithm and mathematical morphology

PCB welding spot detection with image processing method based on automatic threshold image... PurposeIn order to enhance detection efficiency of printed circuit board (PCB) soldered dot, this study aimed at the detection of PCB soldered dot with image processing method. Design/methodology/approachThrough a series of image processing algorithms, threshold segmentation and feature extraction of the solder joint images were completed; then, sphericity was confirmed based on the area and perimeter as well as the shape parameter and eccentricity ratio of the calculated region, paving the way for defect pattern recognition. FindingsIt proves that the method with high efficiency and precision can satisfy the requirements of PCB soldered dot detection. Originality/valuethis paper is original. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Circuit World Emerald Publishing

PCB welding spot detection with image processing method based on automatic threshold image segmentation algorithm and mathematical morphology

Circuit World , Volume 42 (3) – Aug 1, 2016

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References (18)

Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0305-6120
DOI
10.1108/CW-08-2015-0039
Publisher site
See Article on Publisher Site

Abstract

PurposeIn order to enhance detection efficiency of printed circuit board (PCB) soldered dot, this study aimed at the detection of PCB soldered dot with image processing method. Design/methodology/approachThrough a series of image processing algorithms, threshold segmentation and feature extraction of the solder joint images were completed; then, sphericity was confirmed based on the area and perimeter as well as the shape parameter and eccentricity ratio of the calculated region, paving the way for defect pattern recognition. FindingsIt proves that the method with high efficiency and precision can satisfy the requirements of PCB soldered dot detection. Originality/valuethis paper is original.

Journal

Circuit WorldEmerald Publishing

Published: Aug 1, 2016

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