Optical image encryption using different twiddle factors in the butterfly algorithm of fast Fourier transform
Jaehun Song, Yeonho Lee
Topics & Concepts
EncryptionFast Fourier transformTwiddle factorAlgorithmComputer scienceSplit-radix FFT algorithmPrime-factor FFT algorithmPath (computing)Fourier transformMathematicsFractional Fourier transformShort-time Fourier transformOperating systemProgramming languageMathematical analysisFourier analysisChaos-based Image/Signal EncryptionAdvanced Steganography and Watermarking TechniquesCryptographic Implementations and Security