Title :
Optimization of encrypted hologram in optical security systems
Author :
Ohtsubo, Junji ; Nakayama, Keizo
Author_Institution :
Fac. of Eng., Shizuoka Univ., Hamamatsu, Japan
Abstract :
Fast optimization method of encrypted binary hologram in optical security systems is proposed based on the error information for the estimated decryption pattern. The time required to obtain an optimized image is only 3 % of the iterative error reduction method.
Keywords :
computer-generated holography; cryptography; iterative methods; optical information processing; optimisation; encrypted binary hologram; estimated decryption pattern; iterative error reduction method; optical security systems; Biomedical optical imaging; Biometrics; Cryptography; Data security; Degradation; Holographic optical components; Holography; Information security; Iterative methods; Optimization methods;
Conference_Titel :
Lasers and Electro-Optics Society, 2004. LEOS 2004. The 17th Annual Meeting of the IEEE
Print_ISBN :
0-7803-8557-8
DOI :
10.1109/LEOS.2004.1363251
