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SHEN Xueju, LIU Xumin, XU Qinzu, LIN Chao. Multiple image encryption based on Fourier transform holography under spherical wave illumination[J]. LASER TECHNOLOGY, 2014, 38(4): 488-493. DOI: 10.7510/jgjs.issn.1001-3806.2014.04.012
Citation: SHEN Xueju, LIU Xumin, XU Qinzu, LIN Chao. Multiple image encryption based on Fourier transform holography under spherical wave illumination[J]. LASER TECHNOLOGY, 2014, 38(4): 488-493. DOI: 10.7510/jgjs.issn.1001-3806.2014.04.012
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Multiple image encryption based on Fourier transform holography under spherical wave illumination

  • Ordnance Engineering College, Shijiazhuang 050003, China

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  • Received Date: August 13, 2013
  • Revised Date: September 21, 2013
  • Published Date: July 24, 2014
    Graphical Abstract
    • Abstract
  • To reduce the number of binary random phase mask used in an image encryption system and simplify the effect of hidden encryption images on decryption process, an optical multiple-image encryption and hiding scheme was put forward based on Fourier transform holography under spherical wave illumination. Theoretical analysis and numerical simulation of image encryption and hiding encryption image and image decryption were made. The results show that correlation coefficient between encryption image and original image approaches 0, correlation coefficient between host image and hiding encryption image approaches 1 when superposition coefficient between host image and hiding encryption image is less than 0.3, correlation coefficient between decryption image and original image approaches 1. The encryption method can obtain good encryption effect.
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    • References (15)
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