Color image encryption based on chaotic compressed sensing and two-dimensional fractional Fourier transform.

Abstract:

:Combining the advantages of structured random measurement matrix and chaotic structure, this paper introduces a color image encryption algorithm based on a structural chaotic measurement matrix and random phase mask. The Chebyshev chaotic sequence is used in the algorithm to generate the flip permutation matrix, the sampling subset and the chaotic cyclic matrix for constructing the structure perceptual matrix and the random phase mask. The original image is compressed and encrypted simultaneously by compressed sensing, and re-encrypted by two-dimensional fractional Fourier transform. Simulation experiments show the effectiveness and reliability of the algorithm.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Wang X,Su Y

doi

10.1038/s41598-020-75562-z

subject

Has Abstract

pub_date

2020-10-29 00:00:00

pages

18556

issue

1

issn

2045-2322

pii

10.1038/s41598-020-75562-z

journal_volume

10

pub_type

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