Gaussian mixture model

GPTKB entity

Statements (52)
Predicate Object
gptkbp:instanceOf statistical analysis
gptkbp:assumes data points are generated from a mixture of Gaussians
gptkbp:basedOn gptkb:Gaussian_distribution
gptkbp:canBe data compression
image segmentation
speech modeling
anomaly detection
background subtraction
gptkbp:canBeFittedBy gptkb:Markov_chain_Monte_Carlo
Bayesian inference
maximum likelihood estimation
variational inference
gptkbp:canBeRegularizedBy penalized likelihood
prior distributions
gptkbp:componentDistribution gptkb:univariate_normal_distribution
gptkb:multivariate_normal_distribution
gptkbp:estimatedCost expectation-maximization algorithm
gptkbp:extendsTo Bayesian Gaussian mixture model
infinite Gaussian mixture model
gptkbp:field gptkb:signal_processing
computer vision
speech recognition
bioinformatics
pattern recognition
unsupervised learning
gptkbp:hasModel multimodal distributions
https://www.w3.org/2000/01/rdf-schema#label Gaussian mixture model
gptkbp:introduced gptkb:Karl_Pearson
gptkbp:introducedIn 1894
gptkbp:limitation assumes Gaussian components
can get stuck in local optima
sensitive to initialization
gptkbp:output cluster assignments
likelihood of data
probability of cluster membership
gptkbp:parameter mean
covariance
mixture weights
gptkbp:relatedTo Markov chain
k-means clustering
finite mixture model
soft clustering
gptkbp:usedFor density estimation
clustering
gptkbp:usedIn gptkb:machine_learning
statistics
gptkbp:visualizes scatter plots
contour plots
gptkbp:bfsParent gptkb:Gaussian_model
gptkb:Finite_mixture_models
gptkb:Mixture_of_factor_analyzers
gptkbp:bfsLayer 7