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Novel AutomaticWorkpiece Surface Defects Detection System
Wenkai Xin,Wei Liu,Kun Yan 제어로봇시스템학회 2022 제어로봇시스템학회 국제학술대회 논문집 Vol.2022 No.11
An automatic workpiece surface defect detection system based on machine vision is proposed. In order to solve the difficulty of detecting surface defects of irregular workpieces, the system adopts seven shooting stations to collect pictures of workpieces from different angles. Then the pictures of each station are processed at the same time. Advanced image processing algorithms are proposed to detect defects on highly reflective metal surfaces. Finally, the processing results of all stations are combined together to determine whether the workpieces are qualified or not. Tested in real industrial environments, our proposed system achieves a detection accuracy of 99.7%. On average one hundred workpieces can be inspected per minute.