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This paper proposed a new visual secret sharing method. The property of visual secret sharing in reversible style is that it can be applied without depending on any computing If one stacks two transparencies together straightforwardly, a secret image will appear. Stacking two transparencies after reversing one of the transparencies, another secret image(More)
Background. Persistent Helicobacter pylori infection may induce several upper gastrointestinal diseases. Two major virulence factors of H. pylori, vacuolating cytotoxin A (VacA) and cytotoxin-associated gene A (CagA), are thought to be associated with the severity of disease progression. The distribution of vacA and cag-pathogenicity island (cag-PAI)(More)
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