Skoriukova, Ya. H., S. I. Kormanovskyi, and O. P. Melnyk. 2010. “Definition of Binary Image Contour Features”. Visnyk of Vinnytsia Politechnical Institute, no. 4 (November):103-6. https://visnyk.vntu.edu.ua/index.php/visnyk/article/view/484.