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A watermarking algorithm based on Arnold Scrambling for hiding medical record information in medical images
Author(s): 
Pages: 371-375
Year: Issue:  2
Journal: JOURNAL OF SOUTHWEST UNIVERSITY FOR NATIONALITIES(NATURAL SCIENCE EDITION)

Keyword:  数字水印医学图像:信息隐藏多重嵌入;
Abstract: 传统的医学图像需要另外标注记录在纸上的病历信息与之匹配,容易发生信息泄密和错乱等问题.数字化医 学图像水印技术提供了解决这一问题的途径:利用文本病历信息生成水印信号,以数字图像作为载体,取代了传统医学图像的标注方法,确保嵌入其中的记录与图像的本质联系;采用了Arnold置乱方法,保证了水印信息的安全性.实验证明,使用含水印的医学图像在保证识别系统正常工作的前提下,提高了隐藏病历信息的安全性,并且水印算法表现出良好的鲁棒性.
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