An optical image encryption method based on Fourier single-pixel imaging and phase retrieval algorithm
Tianyu ZENG,
Liansheng SUI,
Cong DU
et al.
Abstract:An optical image encryption method is proposed based on Fourier single-pixel imaging and iterated phase retrieval algorithm. First, a binary barcode image containing two groups of horizontal strips is randomly generated and used as the target image in the single-pixel imaging process. Second, considering the barcode image as the amplitude constraint, the original plaintext image is encoded to two phase-only masks using a designed phase retrieval algorithm in Fresnel domain, and these masks are applied as secre… Show more
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