Approximation of the discontinuities of a function by its classical orthogonal polynomial Fourier coefficients.
George KvernadzePublished in: Math. Comput. (2010)
Keyphrases
- fourier coefficients
- fourier transform
- series expansion
- discrete fourier transform
- approximation algorithms
- approximation error
- randomized approximation
- smooth functions
- continuous functions
- signal processing
- orthogonal polynomials
- lagrange interpolation
- image segmentation
- multiscale
- object recognition
- linear approximation