Mitigating Low-Frequency Bias: Feature Recalibration and Frequency Attention Regularization for Adversarial Robustness.
Kejia ZhangJuanjuan WengYuanzheng CaiZhiming LuoShaozi LiPublished in: CoRR (2024)
Keyphrases
- low frequency
- high frequency
- frequency domain
- wavelet transform
- wavelet analysis
- frequency band
- subband
- electromagnetic fields
- wavelet coefficients
- discrete wavelet transform
- original images
- low pass
- image features
- feature vectors
- visual quality
- contourlet transform
- subband decomposition
- low and high frequency
- wavelet domain
- dct domain
- spatial domain
- feature set
- motion estimation
- high resolution