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Compressive Optical Image Encryption
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DOI：10.1038/srep10374.png)
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摘要
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An optical image encryption technique based on compressive sensing using fully optical means has been proposed. An object image is first encrypted to a white-sense stationary noise pattern using a double random phase encoding (DRPE) method in a Mach-Zehnder interferometer. Then, the encrypted image is highly compressed to a signal using single-pixel compressive holographic imaging in the optical domain. At the receiving terminal, the encrypted image is reconstructed well via compressive sensing theory, and the original image can be decrypted with three reconstructed holograms and the correct keys. The numerical simulations show that the method is effective and suitable for optical image security transmission in future all-optical networks because of the ability of completely optical implementation and substantially smaller hologram data volume.
Keyword:
DIGITAL HOLOGRAMS
INFORMATION
RECONSTRUCTION
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期刊
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3.9
论文数:
27.9W
被引数:
83.5W
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