A Comprehensive Study on Various Visual cryptography Schemes with an Application

This paper is study of the different kinds of Visual cryptography schemes and it focuses on all the techniques together as a literature survey. It intends an extensive experimental study of various available Visual Secret Sharing techniques. Also focuses on the encryption techniques that are used in each scheme. Visual cryptography (VC) is a powerful technique that combines the notions of perfect ciphers and secret sharing in cryptography with that of raster graphics. Intent of this paper is study and performance analysis of the visual cryptography schemes on the basis of pixel expansion, number of secret images, image format and type of shares generated.

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