Scalable hierarchical PDE sampler for generating spatially correlated random fields using nonmatching meshes.
Sarah OsbornPatrick ZulianThomas BensonUmberto VillaRolf KrausePanayot S. VassilevskiPublished in: Numer. Linear Algebra Appl. (2018)
Keyphrases
- random fields
- spatially correlated
- gibbs sampler
- markov random field
- maximum entropy
- partial differential equations
- parameter estimation
- random field models
- conditional random fields
- non stationary
- multiresolution
- random field model
- posterior distribution
- probabilistic model
- depth map
- level set
- monte carlo
- bayesian inference
- higher order
- image processing
- computer vision
- markov chain
- similarity measure
- image segmentation