| 基于交叠成像技术的彩色图像加密算法研究 |
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| 引用本文： | 韩庭晶,王 亮,袁操今,聂守平,冯少彤,姚丽莉,姜志俊,周 意,强俊杰.基于交叠成像技术的彩色图像加密算法研究[J].南京师范大学学报,2016,0(1). |
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| 作者姓名： | 韩庭晶 王 亮 袁操今 聂守平 冯少彤 姚丽莉 姜志俊 周 意 强俊杰 |
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| 作者单位： | 南京师范大学江苏省光电技术重点实验室，江苏 南京 210023 |
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| 摘 要： | 本文研究了基于交叠成像技术的彩色图像加密算法，利用正弦组合光栅将彩色图像编码为灰度图像，结合交叠成像技术与双随机相位加密技术对图像进行加密，从而实现彩色图像的加密.该加密系统不仅扩大了密钥的空间，提升了系统的安全性，而且具有较强的抗剪切和抗噪声能力.该加密系统实验装置简单，实用性较强.模拟的实验结果验证了该系统的有效性.
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| 关 键 词： | 交叠成像 双随机相位 彩色图像 |
Color Image Encryption Algorithm Based on Ptychography Technology |
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| Han Tingjing,Wang Liang,Yuan Caojin,Nie Shouping,Feng Shaotong,Yao Lili,Jiang Zhijun,Zhou Yi,Qiang Junjie.Color Image Encryption Algorithm Based on Ptychography Technology[J].Journal of Nanjing Nor Univ: Eng and Technol,2016,0(1). |
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| Authors: | Han Tingjing Wang Liang Yuan Caojin Nie Shouping Feng Shaotong Yao Lili Jiang Zhijun Zhou Yi Qiang Junjie |
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| Affiliation: | Key Laboratory for Opto-Electronic Technology of Jiangsu Province，Nanjing Normal University，Nanjing 210023，China |
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| Abstract: | Color image encryption algorithm based on ptychography technology is researched in this paper. In order to encrypt the color image，we use sinusoidal combinational grating to encode color image into gray image，and then the gray image is encrypted by ptychography and double random phase encoding. The encryption system not only enlarges the key spaces and enhances system security，but also the resistance of shear and noise performance are strong. The encryption system is simpler and more practical. The simulation proves the validity of the encryption system. |
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| Keywords: | ptychography double random phase color image |
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