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- W2096872882 abstract "In a traditional visual cryptography scheme, a shared secret image can be revealed with no cryptographic computations. Unfortunately, the revealed secret image of a conventional visual cryptography scheme is almost black and white. Colored visual cryptography schemes based on modified visual cryptography were recently proposed. By means of a few additional computations, users can hide a colored secret image. However, the implementation complexity in these schemes depends on the number of colors appearing in the secret image. In other words, when the secret image contains a large number of colors, these schemes will become impractical. In this paper, we propose a new secret color image sharing scheme based on modified visual cryptography. This scheme provides a more efficient way of hiding a gray image (256 colors) in different shares. Furthermore, the size of the shares is fixed; it does not vary when the number of colors appearing in the secret image differs." @default.
- W2096872882 created "2016-06-24" @default.
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- W2096872882 date "2003-06-26" @default.
- W2096872882 modified "2023-09-23" @default.
- W2096872882 title "Sharing a secret gray image in multiple images" @default.
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- W2096872882 doi "https://doi.org/10.1109/cw.2002.1180884" @default.
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