典型文献
Quantum watermarking based on threshold segmentation using quantum informational entropy
文献摘要：
We propose a new quantum watermarking scheme based on threshold selection using informational entropy of quan-tum image.The core idea of this scheme is to embed information into object and background of cover image in different ways.First,a threshold method adopting the quantum informational entropy is employed to determine a threshold value.The threshold value can then be further used for segmenting the cover image to a binary image,which is an authentication key for embedding and extraction information.By a careful analysis of the quantum circuits of the scheme,that is,translat-ing into the basic gate sequences which show the low complexity of the scheme.One of the simulation-based experimental results is entropy difference which measures the similarity of two images by calculating the difference in quantum image informational entropy between watermarked image and cover image.Furthermore,the analyses of peak signal-to-noise ratio,histogram and capacity of the scheme are also provided.
文献关键词：
中图分类号：
作者姓名：
Jia Luo;Ri-Gui Zhou;Wen-Wen Hu;YaoChong Li;Gao-Feng Luo
作者机构：
College of Information Engineering,Shanghai Maritime University,Shanghai 201306,China;Research Center of Intelligent Information Processing and Quantum Intelligent Computing,Shanghai 201306,China;College of Information Engineering,Shaoyang University,Shaoyang 422000,China
文献出处：
引用格式：
[1]Jia Luo;Ri-Gui Zhou;Wen-Wen Hu;YaoChong Li;Gao-Feng Luo-.Quantum watermarking based on threshold segmentation using quantum informational entropy)[J].中国物理B（英文版）,2022(04):130-136
A类：
translat,watermarked
B类：
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AB值：
0.487001
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