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A Review on Various Defect Detection Techniques

Author : Priyanka Khandelwal and Pankajkumar Gautam

Pages : 2003-2005
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Visual inspection is an important part of quality control in industry. In decades ago, this job has been heavily relied upon manual inspection by human inspectors. Defect detection using manual inspection of an object is not a reliable approach because of fatigue and inattentiveness of an inspector. This manual inspection system has been replaced by automated visual inspection systems. Defect detection is a technique which is used in automated visual inspection system for quality control of the product. In this paper, we are going to review various defect detection methods to detecting the defects from different types of images which are used in automated visual Inspection System and also compare all these methods.

Keywords: Image Processing, Defect Detection, Gabor filter, Wavelet Transform, Otsu method

Article published in International Journal of Current  Engineering  and Technology, Vol.3,No.5(Dec- 2013)




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