A new definition of the contrast of visual cryptography scheme |
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Authors: | Feng Liu ChuanKun Wu |
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Affiliation: | a The State Key Laboratory of Information Security, Institute of Software, Chinese Academy of Sciences, Beijing 100190, China b Graduate University of Chinese Academy of Sciences, Beijing 100190, China c Computer Science and Technology, Ocean University of China, Qingdao 266100, China |
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Abstract: | In this paper, some of the known definitions of the contrast of the Visual Cryptography Scheme (VCS) are shown to be inappropriate, and a new definition of the contrast based on our observations is proposed. It is also shown how our new definition of the contrast agreed with our observations. |
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Keywords: | Cryptography Visual cryptography Secret sharing Contrast |
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