Survey on Visual Cryptography Schemes
Journal: International Journal of Science and Research (IJSR) (Vol.4, No. 1)Publication Date: 2015-01-05
Authors : Prajakta Nikam; Kishor Kinage;
Page : 703-705
Keywords : Visual secret sharing scheme; extended visual cryptography scheme; transmission risk;
Abstract
Visual cryptography (VC) is a encryption scheme used to share secret image. It encodes image into n shares. These shares are either printed on transparencies or are encoded and stored in a digital form. The shares can look as noise-like pixels or as meaningful images. Decoding does not require all n shares. These shares are printed on transparencies and stacking them top to each other reveal the secret image. In this survey paper, we present the readers a overview of visual cryptography scheme and different approaches of visual cryptography.
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