Visual Cryptography and Random Grids - Visual Cryptography and Secret Image Sharing - page 207

(a) (b)

(c) (d)

(e) (f)

(g)

FIGURE 7.6
Implementation results of Algorithm 6 for VCRG-3 with respect to B: (a) R 1 ,
(b) R 2 , (c) R 3 ; (d) R 1 R 2 , (e) R 1 R 3 , (f) R 2 R 3 ; (g) R 1 R 2 R 3 .