| 摘要: |
| 光学加密技术具有很多独特优势,在信息安全和防伪领域中有着重要的应用.综述了近年来光学加密技术的发展过程,详细介绍了几种基于随机相位板的加密技术的实现方法、特点和问题,并对其应用前景作了阐述. |
| 关键词: 信息安全 光学加密 随机相位 数字全息 |
| DOI： |
| 分类号: |
| 基金项目: |
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| Recent advances in optical encryption techniques |
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YAN Aimin1, HU Zhijuan1, POON Tingchung2
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1.College of Mathematics and Sciences,Shanghai Normal University;2.Bradley Department of Electrical and Computer Engineering,Virginia Tech
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| Abstract: |
| Optical techniques have shown great potential in information security.This paper reviews the most recent technological and application advances of optical encryption of 2-D and 3-D objects.The main optical encryption techniques and encryption algorithms are summarized and illustrated in detail.Challenges and developments,which are the subject of the contributions to this focus paper,are also discussed,and prospects are predicted. |
| Key words: information security optical encryption random phase digital holography |
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