Eigenfunctions of the 2D finite Fourier transform.
B. LarssonTatiana V. LevitinaErkki J. BrändasPublished in: J. Comput. Methods Sci. Eng. (2004)
Keyphrases
- fourier transform
- fourier coefficients
- frequency domain
- signal processing
- fourier domain
- discrete fourier transform
- fourier analysis
- correlation function
- power spectral density
- computational complexity
- spatial domain
- fourier descriptors
- image data
- fast fourier transform
- log polar
- feature extraction
- polar coordinates
- phase difference