Abstract
Differences in the eigenvalues of an autocovariance matrix indicate directions at which the local Fourier power spectrum of a function is slowly decreasing. This provides a technique to discriminate edge-like singularities from other features in images.
| Original language | English |
|---|---|
| Pages (from-to) | 77-88 |
| Number of pages | 12 |
| Journal | Applied and Computational Harmonic Analysis |
| Volume | 13 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jul 2002 |
Keywords
- Edge detection
- Local Fourier power spectrum
- Moments
- Morrey-Campanato spaces
- Nondifferentiable regularity