Acta Physica Sinica, Volume. 68, Issue 11, 110502-1(2019)

Color image encryption method based on computer generated hologram and θ modulation

Si-Xing Xi1, Na-Na Yu1, Xiao-Lei Wang2、*, Qiao-Fen Zhu1, Zhao Dong1, Wei Wang1, Xiu-Hong Liu1, and Hua-Ying Wang1
Author Affiliations
  • 1School of Science, Hebei University of Engineering, Handan 056038, China
  • 2Institute of Modern Optics, Nankai University, Tianjin 300350, China
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    Figures & Tables(12)
    Fresnel diffraction and θ modulation system for color image.彩色图像的菲涅尔衍射和θ调制系统
    Color image to be encrypted.待加密彩色图像
    Flow chart of color image encryption by computer generated hologram.彩色图像加密的计算全息编码流程图
    (a) The encrypted image; (b) the encrypted computer generated hologram.(a)加密结果图; (b)加密计算全息图
    Decryption system of color image.彩色图像解密系统
    Decrypted color image.解密彩色图像
    Decrypted results with wrong keys: (a) Wrong key ; (b) wrong key Fresnel diffraction distance with .密钥错误时的解密结果 (a)相位密钥错误; (b)菲涅耳衍射距离错误()
    Tricolor components of color image: (a) Red component; (b) green component; (c) blue component; (a'), (b'), (c') red, green and blue components of original color image.解密彩色图像三基色分量 (a)红色分量; (b)绿色分量; (c)蓝色分量; (a'), (b'), (c')原始图像三基色分量
    Shear attack of different levels and image restoration after shear attack.不同程度的剪切攻击和剪切攻击后的恢复图像
    (a)-(d) Encrypted images with salt and pepper noises with density of 0.1, 0.3, 0.5 1.0; (a')-(d') corresponding decryption results.(a)—(d)分别加入密度0.1, 0.3, 0.5和1.0的椒盐噪声后的加密图像; (a')—(d')相应的解密结果图
    • Table 1.

      Treatment of shear attack.

      剪切攻击处理

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      Table 1.

      Treatment of shear attack.

      剪切攻击处理

      剪切攻击1/321/161/81/4
      评价标准CC0.8580.8030.7650.668
      IF0.8730.8110.7500.671
    • Table 2.

      Treatment of noise attack.

      噪声攻击处理

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      Table 2.

      Treatment of noise attack.

      噪声攻击处理

      噪声 攻击 CC
      本文 方法 文献[13] 方案 文献[16] 方案 文献[18] 方案
      椒盐 噪声 0.10.8610.8530.8350.868
      0.30.8230.7000.6870.719
      0.50.8020.6200.5770.606
      1.00.7120.2840.3140.211
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    Si-Xing Xi, Na-Na Yu, Xiao-Lei Wang, Qiao-Fen Zhu, Zhao Dong, Wei Wang, Xiu-Hong Liu, Hua-Ying Wang. Color image encryption method based on computer generated hologram and θ modulation [J]. Acta Physica Sinica, 2019, 68(11): 110502-1

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    Paper Information

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    Received: Dec. 25, 2018

    Accepted: --

    Published Online: Oct. 30, 2019

    The Author Email:

    DOI:10.7498/aps.68.20182264

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