A numeral character recognition using the PCA mixture model.
Hyun-Chul KimDaijin KimSung Yang BangPublished in: Pattern Recognit. Lett. (2002)
Keyphrases
- mixture model
- principal component analysis
- gaussian mixture model
- em algorithm
- generative model
- dimensionality reduction
- principal components
- probabilistic model
- density estimation
- expectation maximization
- unsupervised learning
- language model
- model selection
- covariance matrix
- feature extraction
- gaussian mixture
- high dimensional
- mixture modeling
- linear discriminant analysis
- probabilistic mixture model
- face images
- face recognition
- maximum likelihood
- independent component analysis
- probability density function
- finite mixture model
- dirichlet processes
- low dimensional
- hidden markov models
- data mining