Data Structures and Algorithms


Secure Data Compression using Chaotic Images

Authors: Sai Venkatesh Balasubramanian

A Chaos based embedding process for textual data offering high capacity and high security simultaneously is designed and implemented. A chaotic image, obtained using a frequency dependant driven chaotic system is used as the data carrier in which textual data is embedded. The decryption and subsequent performance analyses reveal a high fidelity with a mean square error of around 0.0009 percent and a compression ratio increasing nonlinearly with text size, with ratio values more than 150:1 obtained for significantly large texts. Moreover, a very high level of security leading to up to 60 percent of mean square error values even for 1 percent misalignment in the decryption process is observed. The extreme simplicity of implementation coupled with the twin advantages of high compression ratios and high security forms the highlight of the present work.

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Submission history

[v1] 2015-10-28 20:24:58

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