Spectrum Cartography Using the Variational Bayesian EM Algorithm.
Guoyong ZhangJun WangXiaonan ChenLi LiShaoqian LiPublished in: WCSP (2020)
Keyphrases
- variational bayesian
- expectation maximization
- em algorithm
- incomplete data
- mixture model
- maximum likelihood
- parameter estimation
- probabilistic model
- generative model
- unsupervised learning
- gaussian mixture model
- exponential family
- log likelihood
- hyperparameters
- variational inference
- hidden variables
- image segmentation
- bayesian framework
- k means
- density estimation
- probability density function
- parameter learning
- matrix factorization
- gaussian distribution
- maximum a posteriori
- conditional random fields
- collaborative filtering
- machine learning