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Image Encryption using the Dual Transformation Technique with Random Phase Encoding

by Prakash Chandra Bharti, Ashutosh
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 68 - Number 8
Year of Publication: 2013
Authors: Prakash Chandra Bharti, Ashutosh
10.5120/11601-6964

Prakash Chandra Bharti, Ashutosh . Image Encryption using the Dual Transformation Technique with Random Phase Encoding. International Journal of Computer Applications. 68, 8 ( April 2013), 34-37. DOI=10.5120/11601-6964

@article{ 10.5120/11601-6964,
author = { Prakash Chandra Bharti, Ashutosh },
title = { Image Encryption using the Dual Transformation Technique with Random Phase Encoding },
journal = { International Journal of Computer Applications },
issue_date = { April 2013 },
volume = { 68 },
number = { 8 },
month = { April },
year = { 2013 },
issn = { 0975-8887 },
pages = { 34-37 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume68/number8/11601-6964/ },
doi = { 10.5120/11601-6964 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T21:27:18.040166+05:30
%A Prakash Chandra Bharti
%A Ashutosh
%T Image Encryption using the Dual Transformation Technique with Random Phase Encoding
%J International Journal of Computer Applications
%@ 0975-8887
%V 68
%N 8
%P 34-37
%D 2013
%I Foundation of Computer Science (FCS), NY, USA
Abstract

In this paper, a new method has been presented by which an image can be effectively encrypted. Image encryption is a method of encoding a message so that eavesdroppers cannot read the information, only the authorized person can be able to decode the message. In this paper dual transformation is being used one is discrete wavelet transform (DWT) and another is the discrete Fourier transform (DFT). Instead of using Discrete Fourier transform twice different transform is used so that is can be more secure. Before the application of transform, a random phase encoding is done on the image signal by generating a random phase matrix between some range. It is very useful in secure multimedia communication.

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Index Terms

Computer Science
Information Sciences

Keywords

Image Encryption Cryptography Encoding

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