Multirate Partial Differential Equations for the Efficient Simulation of Low-Frequency Problems with Pulsed Excitations.
Andreas PelsJohan J. C. GyselinckRuth Vazquez SabariegoSebastian SchöpsPublished in: CoRR (2017)
Keyphrases
- low frequency
- partial differential equations
- high frequency
- numerical methods
- subband
- frequency domain
- image denoising
- wavelet transform
- numerical solution
- numerical algorithms
- image processing
- level set
- wavelet coefficients
- finite difference
- problems in image processing
- fourth order
- computer vision
- linear systems
- anisotropic diffusion
- image enhancement
- denoising
- pattern recognition
- multiscale
- feature extraction