A New Combinational Technique in Image Steganography

Sabyasachi Pramanik, Debabrata Samanta, Samir Kumar Bandyopadhyay and Ramkrishna Ghosh
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Sabyasachi Pramanik: Haldia Institute of Technology, India
Debabrata Samanta: CHRIST University, India
Samir Kumar Bandyopadhyay: University of Calcutta, India
Ramkrishna Ghosh: Haldia Institute of Technology, India

International Journal of Information Security and Privacy (IJISP), 2021, vol. 15, issue 3, 48-64

Abstract: Internet is used for exchanging information. Sometimes it is needed to transmit confidential data via internet. Here the authors use image steganography to pass confidential data within a cover image. To construct the algorithm, they take the combinational help of particle swarm optimization (PSO), bi-orthogonal wavelet transform (BWT), and genetic algorithm (GA). They use PSO to take the enhanced version of cover image. They use BWT to choose the selective sub bands of cover image and we utilize GA to select a particular stego image among a set of stego images. Thus, an innovative technique of image steganography has been made to transmit confidential data via cover image generating stego image. This combinational approach of image steganography is quite safe for confidential data transmission and makes it hard for the attackers to retrieve the confidential data.

Date: 2021
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