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ISSN Print: 2394-7500, ISSN Online: 2394-5869, CODEN: IJARPF


International Journal of Applied Research

Vol. 2, Issue 11, Part C (2016)

Network steganography with DCT approach

Samir Kumar Bandyopadhyay and Goutam Roy Chowdhury
In this paper, the authors propose a new steganography algorithm to hide data inside image using steganography technique. The proposed algorithm uses binary codes and pixels inside an image. The zipped file is used before it is converted to binary codes to maximize the storage of data inside the image. By applying the proposed algorithm, a system called Steganography Imaging System (SIS) is developed. The system is then tested to see the viability of the proposed algorithm. Various sizes of data are stored inside the images and the PSNR (Peak signal-to-noise ratio) is also captured for each of the images tested. Based on the PSNR value of each images, the stego image has a higher PSNR value. This method also uses 3-dimentional discrete cosine transformation scheme, along with 2-dimentional discrete cosine transformation for sending secret data over network. The paper will not consider network protocol facility by assuming data may be transmitted from one place to another through computer network.
Pages: 144-149  |  792 Views  22 Downloads
How to cite this article:
Samir Kumar Bandyopadhyay, Goutam Roy Chowdhury. Network steganography with DCT approach. Int J Appl Res 2016;2(11):144-149.
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