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Faculty of Science, University of Brunei Darussalam, Brunei Darussalam   
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IJIEE 2012 Vol.2(4): 505-508 ISSN: 2010-3719
DOI: 10.7763/IJIEE.2012.V2.148

Improving Security in Tri Pixel Difference Value Method

Mubin Tamboli and Avinash Gulve

Abstract—Pixel value differencing (PVD) is a steganography method which embeds secret data in images based on spatial information. And to improve the capacity of hiding data is increased by using Tripixel Difference Value Method. In which data is hidden in 2X2 Square block. Here proposed method improves the security of existing TPVD method by making certain modification to make it to more robust to histogram quantization. But it reduces certain capacity of original TPVD algorithm. And the stability of against histogram quantization is significantly improved.

Index Terms—Stegoimage, stegnalysis, segnography, PVD, TPVD, cryptography.

M. Tamboli is with the Department of computer engineering, faculty of engineering, Amrutvahini College of Engineering, Sangamner, Maharashtra, India (e-mail: yesmubin@rediffmail.com).
A. Gulve is with the Department of MCA, faculty of MCA, Government college of engineering, Aurangabad, Maharashtra, India (e-mail:akgulve@yahoo.com).


Cite: Mubin Tamboli and Avinash Gulve, "Improving Security in Tri Pixel Difference Value Method," International Journal of Information and Electronics Engineering vol. 2, no. 4, pp. 505-508, 2012.

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