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     Research Journal of Applied Sciences, Engineering and Technology

    Abstract
2014(Vol.7, Issue:19)
Article Information:

A Novel Steganalytic Algorithm based on III Level DWT with Energy as Feature

N.V.S. Sree Rathna Lakshmi
Corresponding Author:  N.V.S. Sree Rathna Lakshmi 
Submitted: December 13, 2013
Accepted: January 04, 2014
Published: May 15, 2014
Abstract:
In this study, a novel steganalytic algorithm which can differentiate between the normal and the stego image is proposed, in order to break a steganographic method, whose stego image is of high quality. The proposed steganographic method is employed to hide multiple images, in a JPEG cover image without any compromise in quality and is shown in experimental results. The steganographic method makes sense for JPEG, PNG and BMP image formats. The steganalytic algorithm exploits ‘3-Level DWT’ and the energy value is calculated, based on which classification between the stego and the normal image is carried out. However, the proposed steganalytic algorithm proves its accuracy, by identifying between the stego and normal image with 90% accuracy, over the existing method which shows 80% accuracy rate and is shown in experimental results.

Key words:  BMP, DWT, JPEG, steganalysis, steganography, ,
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Cite this Reference:
N.V.S. Sree Rathna Lakshmi, . A Novel Steganalytic Algorithm based on III Level DWT with Energy as Feature. Research Journal of Applied Sciences, Engineering and Technology, (19): 4100-4105.
ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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