Weighting schemes based on EM algorithm for LDA.
Yaya JuJianfeng YanZhi-Qiang LiuLu YangPublished in: Int. J. High Perform. Syst. Archit. (2018)
Keyphrases
- em algorithm
- weighting schemes
- generative model
- latent dirichlet
- weighting scheme
- latent dirichlet allocation
- expectation maximization
- mixture model
- maximum likelihood
- topic models
- gaussian mixture model
- distance function
- face recognition
- clustering algorithm
- tf idf
- topic modeling
- bayesian networks
- document collections
- test collection
- dimensionality reduction
- computer vision
- probabilistic latent semantic analysis
- latent semantic analysis
- probability density function
- dimension reduction
- latent topics
- feature extraction
- visual words
- machine learning
- unsupervised learning
- object recognition
- probabilistic model