Treffer: Optical image encryption based on multistage fractional fourier transforms and pixel scrambling technique
Title:
Optical image encryption based on multistage fractional fourier transforms and pixel scrambling technique
Authors:
Source:
Optics communications. 249(4-6):493-499
Publisher Information:
Amsterdam: Elsevier Science, 2005.
Publication Year:
2005
Physical Description:
print, 18 ref
Original Material:
INIST-CNRS
Subject Terms:
Electronics, Electronique, Optics, Optique, Telecommunications, Télécommunications, Sciences exactes et technologie, Exact sciences and technology, Physique, Physics, Domaines classiques de la physique (y compris les applications), Fundamental areas of phenomenology (including applications), Optique, Optics, Formation des images et traitement optique, Imaging and optical processing, Transformation de fourier appliquée à l'optique, Fourier optics, Fonctions de transfert optique et de transfert de modulation, Modulation and optical transfer functions, Formation et traitement des images, Image forming and processing, Codage image, Image coding, Cryptage, Encryption, Cifrado, Cryptographie, Cryptography, Décodage, Decoding, Echange désordonné, Scrambling, Intercambio desordendo, Etude théorique, Theoretical study, Image optique, Optical images, Pixel, Simulation numérique, Digital simulation, Traitement image, Image processing, Transformation Fourier fractionnaire, Fractional Fourier transformation, 42.30.Kq, 42.30.Lr, 42.30.Va Image encryption, Fractional Fourier transform, Optical pixel scrambling device, Pixel scrambling
Document Type:
Fachzeitschrift
Article
File Description:
text
Language:
English
Author Affiliations:
Institute of Optical Information Science and Technology, School of Science, Northwestern Polytechnical University, Youyi Xilu 127, Xi'an 710072, China
ISSN:
0030-4018
Rights:
Copyright 2005 INIST-CNRS
CC BY 4.0
Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS
CC BY 4.0
Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS
Notes:
Physics: optics
Accession Number:
edscal.16743058
Database:
PASCAL Archive
Weitere Informationen
A novel encryption for optical image based on multistage fractional Fourier transforms (FRTs) and pixel scrambling technique is presented in this paper. The principle of pixel scrambling is described and an optical approach to realize the pixel scrambling and decoding is also proposed. Numerical simulation results are given to verify the algorithm, and relative error (RE) between the decoded images and the original image versus the deviation of fractional orders is discussed. Comparing with single FRT encryption, the security using this method for optical image encryption is greatly improved due to the introduction of the pixel scrambling technique.