An Intragroup and Intergroup Multiple Secret Images’ Sharing Scheme with Each Participant Holding One Shadow Image

Figure 5

The intragroup and intergroup secret images and the shadow images. (a) . (b) . (c) . (d) . (e) . (f) . (g) . (h) . (i) . (j) . (k) . are the shadows of . are the shadows of .

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)

(k)