Almost Ideal Contrast Visual Cryptography with Reversing

Almost Ideal Contrast Visual Cryptography with Reversing
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DOI:
10.1007/978-3-540-24660-2_27
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发表时间:
2004-02
期刊:
IACR Cryptol. ePrint Arch.
影响因子:
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通讯作者:
Quang Viet Duong;K. Kurosawa
Quang Viet Duong;K. Kurosawa
中科院分区:
其他
文献类型:
--
作者:
Quang Viet Duong;K. Kurosawa

文献摘要

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视觉加密方案(VCS)的一个缺点是重建图像的对比度损失很大。本文表明,如果允许我们使用一个非常简单的非加密操作,反转黑白,几乎可以实现对比度的损失。现在很多复印机都有这个功能。因此,我们的VCS非常有吸引力。
A drawback of visual cryptography schemes (VCS) is much loss of contrast in the reconstructed image. This paper shows that no loss of contrast can be almost achieved if we are allowed to use a very simple non-cryptographic operation, reversing black and white. Many copy machines have this function these days. Therefore, our VCS is very attractive.