On Higher Order Approximations for Hermite-Gaussian Functions and Discrete Fractional Fourier Transforms.
Cagatay CandanPublished in: IEEE Signal Process. Lett. (2007)
Keyphrases
- fourier transform
- higher order
- correlation function
- discrete fourier transform
- fourier series
- frequency domain
- fourier analysis
- lower order
- low order
- signal processing
- linear functions
- signal and image processing
- natural images
- radon transform
- fourier domain
- basis functions
- markov random field
- linear relationship
- high order
- maximum likelihood
- fast fourier transform
- gaussian derivatives
- polar coordinates
- frequency spectrum
- pairwise
- pattern recognition
- log polar
- image data