Optical image encryption based on multis
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Jianlin Zhao; Hongqiang Lu; Xiaoshan Song; Jifeng Li; Yanghua Ma
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Article
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2005
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Elsevier Science
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English
โ 464 KB
A novel encryption for optical image based on multistage fractional Fourier transforms (FRTs) and pixel scrambling technique is presented in this paper. The principle of pixel scrambling is described and an optical approach to realize the pixel scrambling and decoding is also proposed. Numerical sim