publication . Article . 2016

the effect of fractional fourier transform angle in encryption quality for digital images

Elhoseny, Heba M.; Faragallah, Osama S.; Ahmed, Hossam E. H.; Kazemian, Hassan; El-sayed, Hala S.; Abd El-Samie, Fathi E.;
Open Access
  • Published: 01 Jan 2016 Journal: Optik, volume 127, pages 315-319 (issn: 0030-4026, Copyright policy)
  • Publisher: Elsevier BV
  • Country: United Kingdom
This paper investigates the effect of the angle of the Fractional Fourier transform (FrFT) on encryption quality in a chaotic image cryptosystem. The adopted approach for encryption is 2D chaotic Baker map. This map is applied to the transformed images using FrFT with different angles. We inspect its application to digital images and its exhaustive security investigation. The security investigation contains statistical tests like histogram and correlation coefficient, the maximum and the irregular deviation metrics, and the processing time. Experimental results prove that the rotation angle of the FrFT does not affect the encryption quality. This indicates a wid...
arXiv: Computer Science::Cryptography and Security
ACM Computing Classification System: ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION
free text keywords: Histogram, Algorithm, Encryption, business.industry, business, Chaotic, Digital image, Optics, Physics, Cryptosystem, Cryptography, Fractional Fourier transform, Right angle, dewey000, dewey510
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