Defect detection of bare printed circuit boards based on gradient direction information entropy and uniform local binary patterns
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DOI: 10.1108/cw-06-2017-0028
Abstract: Purpose The purpose of this paper is to propose a defect detection method of bare printed circuit boards (PCB) with high accuracy. Design/methodology/approach First, bilateral filtering of the PCB image was performed in the uniform… read more here.
Keywords: gradient direction; information entropy; direction information; circuit ... See more keywords