Volume 4 Number 6 (Dec. 2012)
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IJCEE 2012 Vol.4(6): 900-904 ISSN: 1793-8163 DOI: 10.7763/IJCEE.2012.V4.631

Secure Genetic Based Image Steganography System in Frequency Domain

Z. Moghaddasi and Azizah Bt Abdul Manaf
Abstract—Steganography is a hiding system that conceals the information in a way only the sender and the recipient know about its existence. Various steganography methods developed to cover different objectives of steganography applications. All these objectives support the main goal of steganography that is undetectability. In this paper a DCT based steganography system is proposed to embed information in 4th bits of DCT coefficients and optimize quality of the obtained stego-images applying genetic algorithm that looks for the best position for embedding. The main idea is derived from SSB-4 method which embeds the message in more significant bits to be more resistant against various steganalysis methods. The experimental results show that the proposed method enhances the imperceptibility and undetectability of the stego-images and is resistant against some steganalysis techniques such as chi-square attack.

Index Terms—Discrete cosine transform, genetic algorithm, steganography, stego-image.

The authors are with Advanced Informatics School, University Technology Malaysia, 54100 Kuala Lumpur, Malaysia (e-mail: mzahra2@live.utm.my, azizah07@ic.utm.my)

Cite: Z. Moghaddasi and Azizah Bt Abdul Manaf, "Secure Genetic Based Image Steganography System in Frequency Domain," International Journal of Computer and Electrical Engineering vol. 4, no. 6, pp. 900-904, 2012.

General Information

ISSN: 1793-8163
Frequency: Quarterly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: EI (INSPEC, IET), Ulrich's Periodicals Directory, Google Scholar, EBSCO, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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