Hybrid quadratic diagonal algorithm for thinning contour linesNarzullo Mamatov, Malika Jalelova, Vohid Fayziev, Abdurashid Samijonov and Boymirzo SamijonovEPJ Web Conf., 321 (2025) 03005DOI: https://doi.org/10.1051/epjconf/202532103005