Extending Factor Graphs so as to Unify Directed and Undirected Graphical Models
Brendan J. FreyPublished in: CoRR (2012)
Keyphrases
- factor graphs
- undirected graphical models
- graphical models
- message passing
- belief propagation
- approximate inference
- exact inference
- latent variables
- probabilistic graphical models
- conditional random fields
- bayesian networks
- probabilistic inference
- probabilistic model
- parameter learning
- markov random field
- model construction
- em algorithm
- stereo matching
- network structure
- distributed systems
- upper bound
- cost model
- posterior distribution
- np hard
- hidden markov models
- special case
- similarity measure