Prima Selvia Megawati, M. Choiroel Anwar, Fatimah, Sudiyono, Darmini and Saifudin (2023) “EFFECTIVENESS EDGE DETECTION OPERATOR CANNY TO IMPROVE IMAGE QUALITY THORAX CT SCAN IN CASES COVID-19”, Journal of Vocational Health Studies, 7(2), pp. 77–82. doi: 10.20473/jvhs.V7.I2.2023.77-82.