A Combinatorial Aliasing-Based Sparse Fourier Transform.
Pengcheng QiuFeng YuPublished in: IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2015)
Keyphrases
- fourier transform
- frequency domain
- spatial domain
- signal processing
- radon transform
- fourier domain
- sparse representation
- fourier analysis
- power spectrum
- frequency spectrum
- low frequency
- subband
- polar coordinates
- fast fourier transform
- low pass
- discrete fourier transform
- power spectral density
- spectral estimation
- high frequency
- high resolution
- feature extraction
- log polar
- fourier descriptors
- high quality
- machine learning