Multigrid for Discrete Differential Forms on Sparse Grids.
Vasile GradinaruRalf HiptmairPublished in: Computing (2003)
Keyphrases
- euclidean plane
- sparse linear
- multiscale
- image analysis
- multiresolution
- sparse data
- dictionary learning
- grid computing
- boundary conditions
- high dimensional
- computationally expensive
- partial differential equations
- irregular isothetic grids
- sparse representation
- compressed sensing
- discrete version
- translation invariant
- image reconstruction
- sparse coding
- compressive sensing
- discrete space
- sparse matrix
- genetic algorithm
- least squares
- flow field
- inverse problems in image processing