Sherstnev, G. “THE COMPARATIVE ANALYSIS OF THE OPERATORS USED FOR EDGE DETECTION OF THE IMAGE FOR THE ADJUSTMENT OF SHARPNESS”. Innovations in Publishing, Printing and Multimedia Technologies 1, no. 9 (November 17, 2017). Accessed April 3, 2025. https://ojs.kaunokolegija.lt/index.php/TMPK/article/view/149.