Improved New Visual Cryptographic Scheme Using One Shared Image

Provided by: Creative Commons Topic: Security Date Added: Jul 2014 Format: PDF
Visual cryptography scheme is a cryptographic technique which allows visual information (e.g. printed text, handwritten notes, and picture) to be encrypted in such a way that the decryption can be performed by the human visual system, without the aid of computers. The improved Visual Cryptography Scheme (VCS) is differs from any existing visual cryptography schemes; this scheme encodes one binary secret image into one shared image with innocent-looking. The secret image is visually revealed by superimposing the portion of the share and its other portion together.

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