Visual Cryptography II: Improving the Contrast Via the Cover Base

Construction of visual secret sharing schemes with almost optimal contrast

SODA '00 Proceedings of the eleventh annual ACM-SIAM symposium on Discrete algorithms

A New Approach for Visual Cryptography

Designs, Codes and Cryptography

Determining the Optimal Contrast for Secret Sharing Schemes in Visual Cryptography

Combinatorics, Probability and Computing

Tamper proofing and attack identification of corrupted image by using semi-fragile multiple-watermarking algorithm

ASIACCS '06 Proceedings of the 2006 ACM Symposium on Information, computer and communications security

Efficient visual secret sharing scheme for color images

Pattern Recognition

A cheating prevention scheme for binary visual cryptography with homogeneous secret images

Pattern Recognition

Visual secret sharing for multiple secrets

Pattern Recognition

On the security of a visual cryptography scheme for color images

Pattern Recognition

Bounds for visual cryptography schemes

Discrete Applied Mathematics

A comprehensive study of visual cryptography

Transactions on data hiding and multimedia security V

Visual cryptography for digital watermarking in still images

PCM'04 Proceedings of the 5th Pacific Rim Conference on Advances in Multimedia Information Processing - Volume Part II