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- W4387317646 abstract "A novel optical image encryption is proposed based on multiplexing of the random phase encoding with shift and rotation operations in domains of two transforms, extended fractional Fourier transform (eFrFT) and Fresnel transform. The original image is subjected to eFrFT with the action of the random phase mask. The mask is shifted and rotated to enhance the security of this encryption method. The image obtained from eFrFT is entered into Fresnel diffraction by the use of the phase mask to obtain the final encrypted image. We plan for the phase keys to be multiplexed in order to decrease the amount of keys that need to be stored in an application. Here, the displacement, rotation angle, and wavelength in this system can be used as additional keys to improve the security and reliability of the encryption system. Numerical experiments are conducted to verify the effectiveness and security of the method. The findings demonstrate that the keys are sufficiently sensitive for high security." @default.
- W4387317646 created "2023-10-04" @default.
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- W4387317646 date "2023-01-01" @default.
- W4387317646 modified "2023-10-05" @default.
- W4387317646 title "High-security image encryption by multiplexing phase encoding in domains of dual optical transforms" @default.
- W4387317646 doi "https://doi.org/10.37190/oa230309" @default.
- W4387317646 hasPublicationYear "2023" @default.
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