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View all- Ibrahim DTeh JAbdullah R(2021)An overview of visual cryptography techniquesMultimedia Tools and Applications10.1007/s11042-021-11229-980:21-23(31927-31952)Online publication date: 1-Sep-2021
Halftone visual cryptography (HVC) enlarges the area of visual cryptography by the addition of digital halftoning techniques. In particular, in visual secret sharing schemes, a secret image can be encoded into halftone shares taking meaningful visual ...
Visual cryptography encodes a secret binary image (SI) into n shares of random binary patterns. If the shares are xeroxed onto transparencies, the secret image can be visually decoded by superimposing a qualified subset of transparencies, but no secret ...
Halftone visual cryptography (HVC) is a visual sharing scheme where a secret image is encoded into halftone shares taking meaningful visual information. In this paper, a HVC construction method is proposed that can encode a secret halftone image into ...
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