Fast discrete convolution in $\mathbb {R}^{2}$ with radial kernels using non-uniform fast Fourier transform with nonequispaced frequencies.
Martin AversengPublished in: Numer. Algorithms (2020)
Keyphrases
- fast fourier transform
- fourier transformation
- hartley transform
- fourier transform
- discrete fourier transform
- frequency domain
- signal processing
- spectral analysis
- floating point
- discrete cosine transform
- row column
- short time fourier transform
- discrete wavelet transform
- feature space
- feature extraction
- fourier domain
- machine learning
- high frequency
- markov random field
- multiresolution