TY JOUR TI ALGORITHM AND METHODS OF RANKING GROUP OF BITMAP IMAGES KW color spaces KW colour models KW bitmap images KW coefficients of variation KW determinations KW rank correlation KW maximum KW average KW mean-square errors JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Afonin, V.. AU Savkina, A.. AU Nikulin, V.. PY 2021 IS PB Astrakhan State Technical University