Discrete Fractional Fourier Transforms Based on Closed-Form Hermite-Gaussian-Like DFT Eigenvectors.
José Rodrigues de Oliveira-NetoJuliano B. LimaPublished in: IEEE Trans. Signal Process. (2017)
Keyphrases
- closed form
- fourier transform
- discrete fourier transform
- frequency domain
- gaussian mixture
- fourier analysis
- correlation function
- signal processing
- radon transform
- fourier domain
- closed form solutions
- fast fourier transform
- point correspondences
- covariance matrix
- spatial domain
- maximum likelihood
- principal component analysis
- log polar
- gaussian derivatives
- objective function
- multiscale
- similarity measure
- image processing