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物光和参考光双加密的数字全息系统
  • ISSN号：0023-074X
  • 期刊名称：《科学通报》
  • 时间：0
  • 分类：TP309[自动化与计算机技术—计算机系统结构;自动化与计算机技术—计算机科学与技术] TB877[一般工业技术—摄影技术]
  • 作者机构：[1]北京大学物理学院现代光学研究所,北京100871
  • 相关基金：国家自然科学基金资助项目（批准号：10434020,10521002）
作者： 朱一超[1], 张家森[1], 龚旗煌[1]
关键词： 光加密, 数字全息系统, 双随机相位加密, 随机相位编码
中文摘要：

实现了物光和参考光双加密的数字全息加密方法，并从理论模拟和实验上分别验证了该方案，其安全性远高于仅加密一束光时的情况．使用双随机相位加密法加密了原始图像，并使用随机相位片编码了参考光．加密后的图像由CCD接收后再使用计算机处理．此外，在实验上检测了该系统的信噪比和容错性，并计算得到系统的密钥长度高达6．3×10^14．

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期刊信息
  • 《科学通报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国科学院
  • 主编：周光召
  • 地址：北京东黄城根北街16号
  • 邮编：100717
  • 邮箱：csb@scichina.org
  • 电话：010-64036120 64012686
  • 国际标准刊号：ISSN：0023-074X
  • 国内统一刊号：ISSN：11-1784/N
  • 邮发代号:80-213
  • 获奖情况:
  • 首届国家期刊奖,中国期刊方阵“双高”期刊,第三届中国出版政府奖
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,美国数学评论（网络版）,美国工程索引,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:81792