Visual Cryptography for Multiple Secrets - Visual Cryptography and Secret Image Sharing - page 66

TABLE 3.4
Wu and Chang's encoding scheme for visual two-secret sharing in
two shares.
p 1 p 2 s

1

s 1 s 2 s 1 s 2

Probability s 1 s 2

1/4

1/4

1/4

1/4

1/4

1/4

1/4

1/4

1/4

1/4

1/4

1/4

1/4

1/4

1/4

1/4