A New Black and White Visual Cryptographic Scheme for General Access Structures
作者： Avishek Adhikari , Tridib Kumar Dutta , Bimal Roy
DOI: 10.1007/978-3-540-30556-9_31
关键词: Visual cryptography 、 Pixel 、 Cryptography 、 Point (geometry) 、 Theoretical computer science 、 Scheme (mathematics) 、 Discrete mathematics 、 Mathematics 、 Section (fiber bundle) 、 Access structure 、 Contrast (statistics)
摘要: In this paper we introduce a new construction of black and white visual cryptographic scheme for general access structure. We prove that our gives strong find out the conditions which less pixel expansion compared to schemes given in Section 4.2 [1]. also propose modified algorithm giving better result from expansion’s point view. As particular case structure, get (k,n) – VTS with 2 ≤ k n. The (n,n) obtained attains optimal relative contrast. compare mentioned 4.1 [1] method it has been shown almost all cases is other two schemes.
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