Labels:text | screenshot | number | font | display | line | plot OCR: Figure 21 Structure and representation of the affinity matrix A x x x x X x X x f = 1, 1 = 2 G = x X X X I = [1 2 5] x x X x * X x x X x X x x f. = 3, 1, = 4 G = x x I = [2 3 4] X A= x x x X x X x x x x x x x x x x x f. = 5, 4, = 7 G = X X x X I = [1 3 4 6] x x x x x x x x x f. = 8, 1 = 10 G = x X x [ = [4 5 6] x x x