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Color image joint optical encryption with authentication
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DOI：10.1016/j.optlaseng.2026.109839.png)
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Abstract
En 中文
• Spatial-spectral joint encoding is proposed for color image optical encryption. • A randomized wheel mechanism is used to enhance encryption randomness. • The scheme improves both concealment and security of the cryptosystem. • Feasibility and robustness are validated by both simulations and experiments.
Keywords:
Spatial-spectral encoding
Optical encryption
Randomized wheel mechanism
Color image encryption
Authentication
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