A New Visual Cryptography-Based QR Code System for Medication Administration

Figure 6

(a) Original patient photo, (b, c) generated transparencies, (d) stacking result for the two transparencies in (b) and (c), (e) QR code, (f, g) generated QR code transparencies, and (h) stacking result for the two transparencies in (f) and (g).

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)