INFORMATION CHANGE THE WORLD

International Journal of Image, Graphics and Signal Processing(IJIGSP)

ISSN: 2074-9074 (Print), ISSN: 2074-9082 (Online)

Published By: MECS Press

IJIGSP Vol.5, No.6, May. 2013

A New Steganography Technique Using Snake Scan Ordering Strategy

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Author(s)

Rajeev Kumar,Khushil K. Saini,Satish Chand

Index Terms

Steganography, cover image, stego image, snake scan ordering strategy, PSNR

Abstract

In this paper, we propose a new steganography technique using the snake scan ordering strategy. The proposed method hides the secret data that is an image in another image, known as the cover image. In this method, the pixel values of the secret image are organized in snake scan order, which are preprocessed to reduce their size. The resultant data is embedded into the Least Significant Bits (LSBs) of the pixels of the cover image. To minimize the error/distortion, the pixel values of the stegoimage are adjusted using Optimal Pixel Adjustment Process (OPAP). The performance of the proposed method is compared with that of the simple LSB substitution method, Chang et al. method, Thein & Lin method, and Chen method in terms of Peak Signal to Noise Ratio (PSNR). Our proposed method has higher PSNR in almost all cases.

Cite This Paper

Rajeev Kumar,Khushil K. Saini,Satish Chand,"A New Steganography Technique Using Snake Scan Ordering Strategy", IJIGSP, vol.5, no.6, pp.25-32, 2013.DOI: 10.5815/ijigsp.2013.06.04

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