Square to hexagonal lattice conversion in the frequency domain.
Xiangguo LiBryan GardinerSonya A. ColemanPublished in: ICIP (2017)
Keyphrases
- frequency domain
- spatial domain
- fourier transform
- power spectrum
- feature extraction
- cross correlation
- subband
- low frequency
- filter bank
- spectral domain
- frequency analysis
- facial asymmetry
- fast fourier transform
- denoising
- hexagonal grid
- discrete fourier transform
- bandpass
- spectrum analysis
- affine invariance
- fourier domain
- power spectra
- frequency spectrum
- low pass
- mathematical formalism
- phase correlation
- frequency response