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Proceedings Paper

Image encryption based on edge information
Author(s): Yicong Zhou; Karen Panetta; Sos Agaian
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Paper Abstract

This paper presents a new concept of image encryption which is based on edge information. The basic idea is to separate the image into the edges and the image without edges, and encrypt them using any existing or new encryption algorithm. The user has the flexibility to encrypt the edges or the image without edges, or both of them. In this manner, different security requirements can be achieved. The encrypted images are difficult for unauthorized users to decode, providing a high level of security. We also introduce a new lossless encryption algorithm using 3D Cat Map. This algorithm can fully encrypt 2D images in a straightforward one-step process. It simultaneously changes image pixel locations and pixel data. Experimental examples demonstrate the performance of the presented algorithm in image encryption. It can also withstand chosen-plaintext attack. The presented encryption approach can encrypt all 2D and 3D images and easily be implemented in mobile devices.

Paper Details

Date Published: 28 January 2009
PDF: 11 pages
Proc. SPIE 7256, Multimedia on Mobile Devices 2009, 725603 (28 January 2009); doi: 10.1117/12.805512
Show Author Affiliations
Yicong Zhou, Tufts Univ. (United States)
Karen Panetta, Tufts Univ. (United States)
Sos Agaian, The Univ. of Texas at San Antonio (United States)


Published in SPIE Proceedings Vol. 7256:
Multimedia on Mobile Devices 2009
Reiner Creutzburg; David Akopian, Editor(s)

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