Voronoi cell shaping for feature selection with discrete HMMs.
Joachim SchenkGerhard RigollPublished in: ICASSP (2009)
Keyphrases
- feature selection
- hidden markov models
- text categorization
- mutual information
- discrete version
- machine learning
- irrelevant features
- feature selection algorithms
- multi class
- voronoi diagram
- feature set
- classification accuracy
- information gain
- multi stream
- discrete geometry
- unsupervised feature selection
- microarray data
- speech recognition
- knn
- model selection
- text classification
- gene expression data
- high dimensionality
- microarray
- finite number
- euclidean distance
- continuous variables
- discriminative features
- feature space
- feature extraction