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Frequency Domain Approach of Image Steganography

, and . IJIRIS::International Journal of Innovative Research in Information Security, 3 (2): 11-19 (February 2016)

Abstract

Image steganography is the art of hiding a message, image, or file within another message, image, or file. Likely, an old term in Ancient Greek, Steganography is derived from steganos meaning ―”concealed” and graphein meaning ―”writing”, in other word we can say it refers to the science of “invisible” communication. Unlike cryptography, where the goal is to secure communications from an eavesdropper, steganography techniques strive to hide the very presence of the message itself froman observer. In this research paper we deal with hiding a digital message image inside a digital cover image leading us to the stego image. With the combination of Message Preparation using Spatial Domain image modification technique, discrete cosine transforms (DCT) and image scrambled using modified Arnold Transform, an algorithm based on the three technologies is proposed. The effectiveness of the proposed methods has been estimated by computing Mean square error (MSE) and Peak Signal to Noise Ratio (PSNR) and experimental result shows that the proposed algorithm is highly secured with good perceptual invisibility.

Description

International Journal of Innovative Research in Information Security is an International peer-reviewed research publishing journal with a laser-beam focal aim of promoting and publishing original high quality research dealing with theoretical and scientific aspects in all disciplines of Information Technology. It is a monthly published online international scientific research journal focusing on issues in information technology research.

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