Visual Cryptography and Random Grids - Visual Cryptography and Secret Image Sharing - page 212

(a) (b) (c)

(d) (e) (f)

(g) (h) (i)

FIGURE 7.11
(See color insert.) Results of Algorithm 8 for VCRG-3 with respect to P: (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
(based upon Algorithm 4); (h)R 0

1 R 0 2 R 0

3 (based upon Algorithm 5); (i)

R 00

1 R 00 2 R 00 3 (based upon Algorithm 6).