Markov random fields

E260046

Markov random fields are probabilistic graphical models that represent the joint distribution of a set of random variables with local dependencies encoded by an undirected graph, widely used in areas like statistical physics, computer vision, and spatial statistics.

All labels observed (6)

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Statements (58)

Predicate Object
instanceOf Markov network
probabilistic graphical model
statistical model
undirected graphical model
differsFrom Bayesian network by using undirected edges
encodes local dependencies between random variables
hasAlternativeName Markov random fields
surface form: Gibbs random field

MRF
Markov random fields
surface form: Markov network
hasApplicationArea computer graphics
computer vision
image processing
machine learning
medical image analysis
natural language processing
network modeling
pattern recognition
remote sensing
spatial statistics
statistical physics
hasComponent edges representing conditional dependence relationships
nodes representing random variables
hasKeyProperty each variable is conditionally independent of non-neighbors given its neighbors
inferenceMethodsInclude Gibbs sampling
Markov chain Monte Carlo
belief propagation
graph cuts
loopy belief propagation
isCharacterizedBy Hammersley–Clifford theorem
clique factorization of the joint distribution
isGeneralizationOf Markov chain to higher dimensions
isRelatedTo Bayesian networks
surface form: Bayesian network

Boltzmann distribution
surface form: Gibbs distribution

conditional random field
energy-based model
isUsedToModel contextual dependencies in images
random fields on graphs
spatially correlated data
learningMethodsInclude contrastive divergence
maximum likelihood estimation
pseudo-likelihood estimation
models joint distribution of a set of random variables
oftenAssumes local interactions
oftenDefinedOn lattice structures
originatedIn statistical mechanics
parameterizedBy energy functions
potential functions over cliques
satisfies Markov processes
surface form: Markov property
supportsTask inference
learning
usedFor image denoising
image segmentation
inference on lattice systems
labeling problems
spatial smoothing
stereo vision
texture synthesis
usesGraphType undirected graph

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Referenced by (8)

Full triples — surface form annotated when it differs from this entity's canonical label.

Ising models usedFor Markov random fields
subject surface form: Ising model
Bayesian networks relatedTo Markov random fields
this entity surface form: Markov networks
Gibbs sampling usedIn Markov random fields
Markov random fields hasAlternativeName Markov random fields
subject surface form: Markov random field
this entity surface form: Markov network
Markov random fields hasAlternativeName Markov random fields
subject surface form: Markov random field
this entity surface form: Gibbs random field
Probabilistic Graphical Models: Principles and Techniques topic Markov random fields
this entity surface form: Markov networks
Modeling image patches with a directed hierarchy of Markov random fields usesConcept Markov random fields
this entity surface form: Markov random field
Modeling image patches with a directed hierarchy of Markov random fields buildsOn Markov random fields
this entity surface form: Markov random field theory