Image Encryption Algorithm Based on a Hyperchaotic System and Fractional Fourier Transform

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  • Liu Yang
    College of Information and Electronic Engineering, Hunan City University

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Abstract

<p>An image encryption scheme that combines a hyperchaotic system with standard weighted fractional Fourier transform theory is proposed. Simulation results showed that grayscale distribution of the encrypted image was balanced, correlation coefficients of adjacent pixels were highly irrelevant, and the encrypted image was highly sensitive to the secret key, offering good robustness against attacks and a larger key space.</p>

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