A frequency-domain approach with learnable filters for image classification.
José Augusto StuchiNatalia Gil CantoRomis Ribeiro Faissol AttuxLevy BoccatoPublished in: Appl. Soft Comput. (2024)
Keyphrases
- frequency domain
- image classification
- feature extraction
- bandpass
- frequency response
- impulse response
- fourier transform
- directional filtering
- spatial domain
- fourier domain
- power spectrum
- low frequency
- image representation
- fourier analysis
- cross correlation
- spectrum analysis
- denoising
- image features
- fast fourier transform
- image processing
- gabor filters
- filter bank
- low pass
- spatial and frequency domains
- subband
- high pass
- phase correlation
- adaptive filtering
- frequency analysis
- power spectra
- feature selection
- sparse representation
- wavelet transform
- fir filters
- color images
- face recognition
- affine invariance
- discrete fourier transform