Cryptography

Fourier analysis

Key (lock)

CHAOS (operating system)

Mathematics

Fourier transform

Operating system

Algorithm

Image (mathematics)

Key space

Mathematical analysis

Encryption

Computer science

Theoretical computer science

Computer vision

Computer security

Discrete Fourier transform (general)

Fractional Fourier transform

Optics & Laser Technology

In this paper, we propose a new method for optical image encryption using fractional Fourier transform, DNA sequence operation and chaos theory. Rando…

A novel chaos based optical image encryption using fractional Fourier transform and DNA sequence operation