Piatykop, O. E., T. O. Levitskaya, and L. V. Telnykh. “Comparison of Methods of Edge Detection of a Metal Drop Image”. Reporter of the Priazovskyi State Technical University. Section: Technical Sciences, no. 33, June 2017, pp. 152-9, doi:10.31498/2225-6733.33.2016.105190.