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In traditional (k, n) threshold secret image sharing (SIS), a secret image is encrypted into n shadow images (also called shares) distributed to n associated participants. The secret image can be recovered by collecting any k or more shadow images, i.e., SIS is loss-tolerant. In SIS research domain, visual cryptography scheme (VCS) also called visual secret sharing (VSS) and Shamir's polynomial-based...
Visual secret sharing (VSS) is the well-known technique that encodes a secret image into several share images and, afterward, decodes the secret by superimposing the share images and recognizing by the human visual system. In this paper, a multi-secrets VSS which is extended from traditional VSS is presented. The codebook of traditional (2,2) VSS is adopted to generate share images macroblock by macroblock...
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