Optimization of encrypted holograms in optical security systems

Optical Engineering

Volumn 40, Issue 1, 2001, Pages 132-137

  Yamazaki, M ^a   Ohtsubo, J ^a  

^a SHIZUOKA UNIVERSITY   (Japan)

Author keywords

Fingerprint identification; Joint Fourier transform; Optical decryption; Optical encryption; Optical security system; Optimization of binary hologram

Indexed keywords

CRYPTOGRAPHY; DECODING; FOURIER TRANSFORMS; IMAGE ANALYSIS; SECURITY SYSTEMS; SIMULATED ANNEALING;

BINARY PHASE HOLOGRAMS; OPTICAL SECURITY SYSTEMS; RANDOM KEY REFERENCES;

HOLOGRAMS;

EID: 0035056593     PISSN: 00913286     EISSN: None     Source Type: Journal    
DOI: 10.1117/1.1334947     Document Type: Article

References (10)

1. Optical pattern recognition for validation and security verification
2. Optical image encryption based on input plane and Fourier plane random encoding
3. Securing information with optical technonogies
4. Practical image encryption scheme by real-valued data
5. Experimental demonstration of the random phase encoding technique for image encryption and security verification
6. Optical encryption system that uses phase conjugation in a photorefractive crystal
7. Optimization by simulated annealing
8. Image recovery by simulated annealing with known Fourier modulus
9. Simulated annealing of binary holograms for the interconnection of single-mode structures
10. Development of an optical joint transform correlation system for fingerprint recognition