Fast Multidimensional Partial Fourier Transform with Automatic Hyperparameter Selection.
Yong-chan ParkJongjin KimU KangPublished in: KDD (2024)
Keyphrases
- fourier transform
- frequency domain
- signal processing
- fourier domain
- fourier coefficients
- radon transform
- polar coordinates
- fourier analysis
- power spectral density
- frequency spectrum
- gaussian processes
- log polar
- discrete fourier transform
- fast fourier transform
- spatial domain
- fourier descriptors
- computational complexity
- phase difference
- correlation function
- feature extraction