A novel image-hiding scheme based on block difference

Authors:
Suk-Ling Li;Kai-Chi Leung;L. M. Cheng;Chi-Kwong Chan
Affiliations:
Department of Electronic Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, China;Department of Electronic Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, China;Department of Electronic Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, China;Department of Electronic Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, China
Venue:
Pattern Recognition
Year:
2006

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Abstract

To transmit a secret-image securely by embedding it into a cover-image without drawing the unintended observer's attention, a novel image-hiding scheme is proposed. By exploring the block correlation between the cover-image and the secret-image, the stego-image quality can be greatly improved. Experimental results demonstrate that the stego-image has a high peak signal-to-noise ratio and the stego-image is almost the same as the cover-image.