Kalmykov, V.G., Sharypanov, A.V. and Vishnevskey, V.V. 2023. THE CURVE ARC AS A STRUCTURE ELEMENT OF AN OBJECT CONTOUR IN THE IMAGE TO BE RECOGNIZED. Radio Electronics, Computer Science, Control. 1 (Feb. 2023), 89. DOI:https://doi.org/10.15588/1607-3274-2023-1-9.