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A Novel Chaotic based Optical Color Image Encryption Technique

International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Year of Publication: 2017
M. A. Mohamed, A. S. Samrah, M. I. Fath Allah

M A Mohamed, A S Samrah and Fath M I Allah. A Novel Chaotic based Optical Color Image Encryption Technique. International Journal of Computer Applications 157(7):13-21, January 2017. BibTeX

	author = {M. A. Mohamed and A. S. Samrah and M. I. Fath Allah},
	title = {A Novel Chaotic based Optical Color Image Encryption Technique},
	journal = {International Journal of Computer Applications},
	issue_date = {January 2017},
	volume = {157},
	number = {7},
	month = {Jan},
	year = {2017},
	issn = {0975-8887},
	pages = {13-21},
	numpages = {9},
	url = {},
	doi = {10.5120/ijca2017912738},
	publisher = {Foundation of Computer Science (FCS), NY, USA},
	address = {New York, USA}


Nowadays, various types of attacks are imposed to multimedia during transmission. Also in many applications the security of information is very important. So the information encryption has become an important issue. Many encryption techniques have been proposed to achieve high robustness against different types of attacks and to save information from hackers. In this paper, a new chaotic based optical encryption that depends on Discrete Wavelet Transform (DWT) for image transformation will be introduced for color image encryption. Nine chaotic maps have been used in the proposed technique; eight of them were traditional and one is a new proposed map. As a result of extensive simulation results depending on various performance metrics it has been found that the proposed technique has given better robustness comparing to traditional algorithm.


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Double Random Phase Encoding (DRPE), Fast Fourier Transform (FFT), Discrete Wavelet Transform (DWT), Inverse Discrete Wavelet Transform (IDWT).