Separation of random phase mask in optical correlator for security verification

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 3466, Issue , 1998, Pages 267-277

  Muravsky, Leonid I ^a   Fitio, Volodymyr M ^b   Shovgenyuk, Mykhajlo V ^c   Hlushak, Petro A ^c  

^a KARPENKO PHYSICOMECHANICAL INSTITUTE   (Ukraine)

^b LVIV POLYTECHNIC NATIONAL UNIVERSITY   (Ukraine)

^c INSTITUTE FOR CONDENSED MATTER PHYSICS   (Ukraine)

Author keywords

autocorrelation peak; feature vector; joint transform correlator; optical security device; random phase mask; security verification; spatial light modulator; transformed phase mask

Indexed keywords

AUTOCORRELATION; CORRELATORS; INFORMATION SCIENCE; MOBILE SECURITY; OPTICAL DATA PROCESSING; VECTORS;

FEATURE VECTORS; JOINT TRANSFORM CORRELATORS; OPTICAL SECURITY DEVICE; PHASE MASKS; RANDOM PHASE MASKS; SECURITY VERIFICATION; SPATIAL LIGHT MODULATORS;

LIGHT MODULATORS;

EID: 0002914784     PISSN: 0277786X     EISSN: 1996756X     Source Type: Conference Proceeding    
DOI: 10.1117/12.326790     Document Type: Conference Paper

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