Modeling image patches with a directed hierarchy of Markov random fields.
Simon OsinderoGeoffrey E. HintonPublished in: NIPS (2007)
Keyphrases
- markov random field
- image patches
- natural images
- higher order
- parameter estimation
- graph cuts
- image restoration
- energy minimization
- maximum a posteriori
- random fields
- belief propagation
- image segmentation
- energy function
- test images
- mrf model
- pairwise
- conditional random fields
- low resolution
- super resolution
- feature vectors
- piecewise constant functions
- sparse representation
- superpixels
- image super resolution
- markov networks
- graphical models
- low level vision
- edge preserving
- potential functions
- map estimation
- input image
- high resolution
- sparse coding
- prior model
- generative model