Figure 3
From: Optical cryptography with biometrics for multi-depth objects
(a) 3-D object to be encrypted, (b) message sender’s fingerprint (c) message receiver’s fingerprint, (d) Real part of encrypted complex hologram \({H}_{C}^{en}(x,y)\), (e) Imaginary part of encrypted complex hologram \({H}_{C}^{en}(x,y)\), and (f) intensity distribution of the encrypted complex hologram.
