Sharing secret images using shadow codebooks
Information Sciences—Informatics and Computer Science: An International Journal
Communications of the ACM
A new kind of science
New visual secret sharing schemes using probabilistic method
Pattern Recognition Letters
Secret image sharing with smaller shadow images
Pattern Recognition Letters
Probabilistic Visual Cryptography Schemes
The Computer Journal
New results on non-perfect sharing of multiple secrets
Journal of Systems and Software
Colored visual cryptography without color darkening
Theoretical Computer Science
Two secret sharing schemes based on Boolean operations
Pattern Recognition
A multiple-level visual secret-sharing scheme without image size expansion
Information Sciences: an International Journal
A multisecret sharing scheme for color images based on cellular automata
Information Sciences: an International Journal
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In this paper an efficient probabilistic secret sharing scheme for black and white digital images is introduced. It is an extension of the algorithm proposed originally in [11]. Specifically, it is a (m , n )-threshold scheme. It is based on the use of a simple matrix boolean function which involves the Hadamard matrix product modulo 2, and the addition modulo 2 and m . Moreover, an algorithm based on cellular automata is used for the enhancement of the recovered image. The algorithm introduced is shown to be secure and its expansion factor is equal to 1.