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A secure data hiding scheme for binary images

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3 Author(s)
Yu-Chee Tseng ; Dept. of Comput. Sci. & Inf. Eng., Nat. Chiao Tung Univ., Hsin-Chu, Taiwan ; Yu-Yuan Chen ; Hsiang-Kuang Pan

This letter presents a novel steganography scheme capable of concealing a piece of critical information in a host message which is a binary image (e.g., a facsimile). A binary matrix and a weight matrix are used as secret keys to protect the hidden information. Given a host image of size m×n, the proposed scheme can conceal as many as log2 (mn+1) bits of data in the image by changing, at most, two bits in the host image. This scheme can provide a higher security, embed more information, and maintain a higher quality of the host image than available schemes.

Published in:

Communications, IEEE Transactions on  (Volume:50 ,  Issue: 8 )