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27 p, 1.1 MB Optical triple random phase encryption / Ahouzi, Esmail (Institut National des Postes et Telecommunications (Marroc)) ; Zamrani, Wiam (Institut National des Postes et Telecommunications (Marroc)) ; Azami, Nawfel (Institut National des Postes et Telecommunications (Marroc)) ; Lizana Tutusaus, Ángel (Universitat Autònoma de Barcelona. Departament de Física) ; Campos Coloma, Juan (Universitat Autònoma de Barcelona. Departament de Física) ; Yzuel Giménez, María Josefa (Universitat Autònoma de Barcelona. Departament de Física)
We propose an optical security technique for image encryption using triple random-phase encoding (TRPE). In the encryption process, the original image is first double-random-phase encrypted. The obtained function is then multiplied by a third random-phase key in the output plane, to enhance the security level of the encryption process. [...]
2017 - 10.1117/1.OE.56.11.113114
Optical engineering, Vol. 56, issue 11 (Nov. 2017) , p. 113114-1-8  

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