Solder joint defects classification using the Log-Gabor Filter, the Discrete Wavelet Transform and the Discrete Cosine Transform
Mar, Nang S.S., Fookes, Clinton B., & Yarlagadda, Prasad K. (2012) Solder joint defects classification using the Log-Gabor Filter, the Discrete Wavelet Transform and the Discrete Cosine Transform. In International Conference on Advances in Mechanical and Building, 9-11 January 2012, Tamil Nadu, India.
Inspection of solder joints has been a critical process in the electronic manufacturing industry to reduce manufacturing cost, improve yield, and ensure project quality and reliability. This paper proposes the use of the Log-Gabor filter bank, Discrete Wavelet Transform and Discrete Cosine Transform for feature extraction of solder joint images on Printed Circuit Boards (PCBs). A distance based on the Mahalanobis Cosine metric is also presented for classification of five different types of solder joints. From the experimental results, this methodology achieved high accuracy and a well generalised performance. This can be an effective method to reduce cost and improve quality in the production of PCBs in the manufacturing industry.
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|Item Type:||Conference Paper|
|Keywords:||Classification of solder joint defects, Discrete Cosine Transform, Discrete Wavelet Transform, Log-Gabor filter|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300)|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering|
Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2012 [please consult the author]|
|Deposited On:||29 Mar 2012 12:54|
|Last Modified:||11 Apr 2013 18:17|
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