Are there approximate fast fourier transforms on graphs?
Luc Le MagoarouRémi GribonvalPublished in: ICASSP (2016)
Keyphrases
- fourier transform
- frequency domain
- signal and image processing
- fourier domain
- signal processing
- graph matching
- polar coordinates
- log polar
- fourier analysis
- radon transform
- correlation function
- discrete fourier transform
- multiresolution
- pattern recognition
- distance transform
- fast fourier transform
- frequency spectrum
- fourier coefficients
- high quality
- feature extraction
- face recognition
- shift variant
- neural network