Keyphrases
- frequency domain
- spatial domain
- fourier transform
- power spectrum
- cross correlation
- subband
- denoising
- frequency domain analysis
- low frequency
- feature extraction
- frequency analysis
- filter bank
- spectrum analysis
- spectral domain
- fourier domain
- error diffusion
- image quality
- fast fourier transform
- phase correlation
- bandpass
- computer vision
- affine invariance
- facial asymmetry
- discrete fourier transform
- image coding
- matching algorithm
- edge detection
- multiresolution
- feature selection