Gaussian Mixture Models

GPTKB entity

Statements (51)
Predicate Object
gptkbp:instanceOf statistical analysis
Machine learning algorithm
gptkbp:application Speech recognition
Pattern recognition
Image segmentation
Anomaly detection
gptkbp:assumes Data points are generated from a mixture of Gaussians
gptkbp:basedOn gptkb:Gaussian_distribution
gptkbp:canBe Outlier detection
Dimensionality reduction
Multivariate
Univariate
Data generation
Missing data imputation
Soft clustering
gptkbp:canBeRegularizedBy Bayesian priors
gptkbp:component Gaussian component
gptkbp:distinctFrom K-means does not model covariance
gptkbp:extendsTo gptkb:Hidden_Markov_Models
Dirichlet Process Gaussian Mixture Models
gptkbp:hasModel Multimodal distributions
https://www.w3.org/2000/01/rdf-schema#label Gaussian Mixture Models
gptkbp:implementedIn gptkb:TensorFlow
gptkb:MATLAB
gptkb:scikit-learn
R
gptkbp:introduced gptkb:Karl_Pearson
gptkbp:introducedIn 1894
gptkbp:limitation Sensitive to initialization
May converge to local optima
Assumes Gaussianity of components
gptkbp:output Cluster assignments
Probability estimates
gptkbp:parameter Mean
Mixing coefficient
Covariance
gptkbp:parameterEstimationMethod gptkb:Expectation-Maximization_algorithm
gptkbp:relatedTo gptkb:Expectation-Maximization_algorithm
gptkb:K-means_clustering
Latent variable models
Unsupervised learning
Cluster analysis
Mixture models
Probabilistic models
gptkbp:requires Number of components specified
gptkbp:usedFor Clustering
Density estimation
gptkbp:visualizes Ellipses in 2D
gptkbp:bfsParent gptkb:Unsupervised_Learning
gptkb:Kaldi_model
gptkbp:bfsLayer 7