Increased capacity for information hiding using Walsh transform

Authors:
H. B. Kekre;A. A. Athawale;U. A. Athawale
Affiliations:
MPSTME, NMIMS University, Vile Parle (W), Mumbai;Thadomal Shahani Engineering College, Bandra(W), Mumbai;Institute of Management & Information Technology, Navi Mumbai
Venue:
Proceedings of the International Conference and Workshop on Emerging Trends in Technology
Year:
2010

Citing 4
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Performance evaluation of pixel value differencing and Kekre's modified algorithm for information hiding in images

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Increased cover capacity using advanced multiple LSB algorithms

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Abstract

Steganography is the art of passing information in a manner that the very existence of the message is unknown. The goal of steganography is to avoid drawing suspicion to the transmission of a hidden message. If suspicion is raised, then this goal is defeated. In this paper a novel method for embedding messages in an image with increased capacity is proposed. Discrete Walsh Transform is used to increase the capacity of the cover image without any perceptible change in the stego image.