Keyphrases
- frequency domain
- denoising
- spatial domain
- image denoising
- fourier transform
- noisy images
- power spectrum
- natural images
- image processing
- power spectral
- feature extraction
- wavelet domain
- cross correlation
- affine invariance
- wavelet packet
- fourier analysis
- frequency analysis
- directional filtering
- feature vectors
- frequency domain analysis
- power spectra
- fourier domain
- spectrum analysis
- image sequences
- phase correlation
- frequency response
- high quality