When Ramanujan sums meet affine Fourier transform.
Hongxia MiaoFeng ZhangRan TaoMugen PengPublished in: Signal Process. (2023)
Keyphrases
- fourier transform
- frequency domain
- signal processing
- fourier domain
- discrete fourier transform
- fourier coefficients
- radon transform
- affine invariant
- fourier descriptors
- spatial domain
- affine transformation
- fast fourier transform
- log polar
- image registration
- fourier analysis
- pattern recognition
- neural network
- frequency spectrum
- phase difference
- power spectral density