Hasin Alam and Saju Mohanan 2021. AN EFFICIENT QUALITY CONTROL SYSTEM BY MACHINE LEARNING FOR SURFACE DEFECTS . INTERNATIONAL JOURNAL OF ADVANCES IN SIGNAL AND IMAGE SCIENCES. 7, 2 (Dec. 2021), 40–48. DOI:https://doi.org/10.29284/ijasis.7.2.2021.40-48.