Sparse Wavelet Representation of Differential Operators with Piecewise Polynomial Coefficients.
Dana CernáVáclav FinekPublished in: Axioms (2017)
Keyphrases
- piecewise polynomial
- wavelet representation
- differential operators
- multiscale
- wavelet decomposition
- wavelet coefficients
- radon transform
- image fusion
- b spline
- scale space
- wavelet domain
- linear combination
- vector field
- image processing
- partial differential equations
- basis functions
- zero crossing
- wavelet transform
- sparse representation
- least squares
- wavelet packet
- gaussian derivatives
- multiresolution
- image representation
- natural images
- edge detection
- image analysis