Discrete Ramanujan-Fourier Transform of Even Functions (mod $r$)
Pentti HaukkanenPublished in: CoRR (2012)
Keyphrases
- fourier transform
- frequency domain
- discrete fourier transform
- hartley transform
- signal processing
- correlation function
- radon transform
- fourier domain
- fourier coefficients
- power spectral density
- log polar
- frequency spectrum
- polar coordinates
- fast fourier transform
- fourier descriptors
- fourier analysis
- feature extraction
- image processing
- machine learning
- spatial domain
- pattern recognition
- multiscale