A novel secret image sharing scheme for true-color images with size constraint

Rapid development of telecommunication and service has made researchers think of intelligent tools to assist users in delivering critical data securely. When it comes to share digital images, owing to high frequent use of Mega pixel digital cameras or camera phones, true-color images become one comm...

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Bibliographic Details
Published in:Information sciences 2009-09, Vol.179 (19), p.3247-3254
Main Authors: Tsai, Du-Shiau, Horng, Gwoboa, Chen, Tzung-Her, Huang, Yao-Te
Format: Article
Language:English
Subjects:
FFN neural network
Image hiding
PCA
Secret image sharing
Visual secret sharing
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Summary:Rapid development of telecommunication and service has made researchers think of intelligent tools to assist users in delivering critical data securely. When it comes to share digital images, owing to high frequent use of Mega pixel digital cameras or camera phones, true-color images become one common image type. In the last few years, several researches have been devoted to study of secret image sharing. What seems lacking is a scheme for sharing true-color secret images with size constraint. This paper proposes a new secret image sharing scheme for true-color secret images. Through combination of neural networks and variant visual secret sharing, the quality of the reconstructed secret image and camouflage images are visually the same as the corresponding original images. Compared with other schemes, the proposed one alone supports true-color secret image with size constraint on shares. Experimental results and comparisons demonstrate the feasibility of this scheme.
ISSN:0020-0255
1872-6291
DOI:10.1016/j.ins.2009.05.020