Keyphrases
- feature selection
- semi supervised feature selection
- pointwise mutual information
- classification accuracy
- text categorization
- feature selection algorithms
- machine learning
- graph classification
- method for feature selection
- irrelevant features
- support vector machine
- multi class
- mutual information
- model selection
- support vector
- feature weighting
- feature subset
- high dimensionality
- feature extraction
- text classification
- edge detection
- feature space
- image processing
- dimensionality reduction
- selected features
- forward selection
- score function
- graph laplacian
- video matting
- clustering algorithm
- laplacian pyramid
- unsupervised feature selection
- unsupervised learning
- knn
- small sample
- feature set
- sparse coding
- neural network