Sparse fast Clifford Fourier transform.
Rui WangYi-xuan ZhouYanliang JinWen-ming CaoPublished in: Frontiers Inf. Technol. Electron. Eng. (2017)
Keyphrases
- fourier transform
- frequency domain
- signal processing
- fourier domain
- radon transform
- fourier analysis
- discrete fourier transform
- frequency spectrum
- sparse representation
- polar coordinates
- log polar
- fourier descriptors
- power spectral density
- correlation function
- fast fourier transform
- image processing
- fourier coefficients
- phase difference
- power spectrum
- image quality
- multiscale