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Camouflaged Optical Encryption Based on Compressive Ghost Imaging
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DOI：10.1016/j.optlaseng.2020.106154.png)
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Abstract
En 中文
A camouflaged encryption method based on ghost imaging is proposed. During the encryption process, a light source illuminates a camouflaged image with specific modulated patterns, and a generated sequence of intensity is transmitted to the receiver as a ciphertext. The ciphertext is captured by authorized receivers and potential eavesdroppers. Only authorized receivers with keys can obtain the secret image, while eavesdroppers can obtain camouflaged images only even if they steal the ciphertext and keys. The secret image is hidden by the camouflaged image, which protects the security of the secret image by confusing the eavesdropper. The feasibility and safety of this method in practical applications were verified by a series of simulations and experiments.
Keywords:
Ghost imaging
Optical encryption
Camouflaged encryption
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