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- W1990662657 abstract "Abstract We examine perfect recovery in the optical encryption system based on joint transform correlator architecture, which requires the key mask to be space-limited and phase-only in the frequency domain. Accordingly, a discrete sinc function interpolation is used to generate a binary phase difference mask for image encryption and decryption. Furthermore, the optimal binary phase difference mask is derived from the interpolation process best approximating the ideal sinc function interpolation. The simulation results confirm better recovery of the decrypted image for applying the proposed key masks to the optical encryption system. Especially, the optimal binary phase difference mask significantly enhances the recovery performance." @default.
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- W1990662657 date "2006-02-01" @default.
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- W1990662657 title "Optimal key mask design for optical encryption based on joint transform correlator architecture" @default.
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- W1990662657 doi "https://doi.org/10.1016/j.optcom.2005.08.007" @default.
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