Data hiding in grayscale images by dynamic programming based on a human visual model

Authors:
I-Shi Lee;Wen-Hsiang Tsai
Affiliations:
Department of Computer Science and Information Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan;Department of Computer Science and Information Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan and Department of Information Communication, Asia University, Taichung 41354, Taiw ...
Venue:
Pattern Recognition
Year:
2009

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Abstract

A new method for data hiding in grayscale images based on a human vision model with distortion-minimizing capabilities is proposed. Each of the eight bit planes of an input grayscale image is viewed as a binary image, into which message data are embedded horizontally. Two optimization techniques, namely, block pattern coding and dynamic programming, are proposed for image distortion minimization. Experimental results show good performs of the proposed method.