Authentication and cross-recovery for multiple images

Yu-Jie Chang; Sian-Jheng Lin; Ja-Chen Lin

doi:10.1117/1.2991410

1 October 2008 Authentication and cross-recovery for multiple images

Yu-Jie Chang, Sian-Jheng Lin, Ja-Chen Lin

Author Affiliations +

Journal of Electronic Imaging, Vol. 17, Issue 4, 043007 (October 2008). https://doi.org/10.1117/1.2991410

Abstract

We propose a system with image authentication and cross-recovery ability to protect a group of n given digital images. The system is a (r,n) threshold scheme (r is a prespecified threshold satisfying 2≤r<n). Any r of these images can reconstruct the whole group of n images, but less than r images cannot. Therefore, the system has cross-recovery ability because if some [up to (n-r)] images in the group are destroyed or lost in a distributed storage scheme or transmission mission, the destroyed or lost can be rebuilt vividly by the mutual support of r survived members. The design is composed of compression, a two-layer sharing, cryptographic hash function, and information hiding.

©(2008) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Yu-Jie Chang, Sian-Jheng Lin, and Ja-Chen Lin "Authentication and cross-recovery for multiple images," Journal of Electronic Imaging 17(4), 043007 (1 October 2008). https://doi.org/10.1117/1.2991410

Published: 1 October 2008

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