An efficient multiscale multigrid preconditioner for Darcy flow in high-contrast media.
Changqing YeShubin FuEric T. ChungJizu HuangPublished in: CoRR (2024)
Keyphrases
- high contrast
- multiscale
- low contrast
- flow field
- wavelet transform
- image processing
- coarse to fine
- edge detection
- scale space
- multimedia
- multiresolution
- natural images
- image representation
- adaptive smoothing
- multiscale analysis
- image segmentation
- image analysis
- contrast enhancement
- digital media
- partial differential equations
- boundary conditions
- edge preserving
- fully automatic
- numerical methods
- iterative methods
- markov random field