Cen, centroid; Are, area; Ecc, eccentricity; Per, perimeter; Ori, orientation; Maj, major axis; Min, minor axis; Dia, equivalent diameter; Sol, solidity; Ext, extent; D_V, difference variance; Hom, homogeneity; Ene, energy; D_E, difference entropy; Con, contrast; Cor, correlation; Inf_1, information measure of correlation_1; S_A, sum average; Inf_2, information measure of correlation_2; S_E, sum entropy; Ent, entropy; S_V, sum variance; Var, variance.