SpectralDefense: Detecting Adversarial Attacks on CNNs in the Fourier Domain.

Paula Harder Franz-Josef Pfreundt Margret Keuper Janis Keuper

Published in: CoRR (2021)

Keyphrases

fourier domain
fourier transform
frequency domain
spatial domain
wavelet domain
optic flow
point spread function
gabor filters
signal processing
preprocessing step
radon transform
invariant features
log polar
image restoration
texture analysis
motion estimation
feature extraction
blurred images
multiscale