Fig. 5From: Optimal alternative for suitability of S-boxes to image encryption based on m-polar fuzzy soft set decision-making criterion\( {r}_i=\sum \limits_i^3\ \left({m}_i-{m}_j\right)\kern0.5em \left(j=1,2,3,4\right) \). Explained the calculation of the maximal value of score S(x) = maxiri to state the optimal alternative for the suitability of S-box to image encryption based on 2-polar fuzzy soft setBack to article page