An Improved Data Hiding using Pixel Value Difference Method and Hyperchaotic System

The present paper builds a security system to encrypt and hide important text data. The system utilized an AES method to conduct an encryption process, followed by hiding the encrypted data using an improved Pixel Value Difference (PVD) technique. The method works to builds a map to hide data in a n...

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Bibliographic Details
Published in:Journal of physics. Conference series 2021-05, Vol.1879 (2), p.22089
Main Authors: Fadhel, Sameera Abbas, Al-Kateeb, Zeena N., AL-Shamdeen, Muna Jaffer
Format: Article
Language:English
Subjects:
AES
Data hiding
Embedding
Encryption
hyperchaotic
Pixel Value Difference
Pixels
Security systems
Steganography
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Summary:The present paper builds a security system to encrypt and hide important text data. The system utilized an AES method to conduct an encryption process, followed by hiding the encrypted data using an improved Pixel Value Difference (PVD) technique. The method works to builds a map to hide data in a non-sequential way by relying on a hyperchaotic system to increase the security level. The system methodology proposed that the data embedding process is in one of the three levels of the colour image (Red, Green, and Blue), where the embedding level will determined based on the coordinates of the PVD pair points that is increase the efficiency of performance. A set of measures was used to measure the quality of steganography where we used MSE, PSNR, SNR, and Corr, and the results are well and satisfactory. The proposed method records the least MSE value with 0.85348784908256, while the Corr values did not decrease about 0.994145776227782. The proposed method also proved successful and effective in retrieving and decoding data, where the BER scale was equal to zero for all retrieved text.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1879/2/022089