Keyphrases
- classification accuracy
- decision trees
- text classification
- feature extraction
- classification process
- classification scheme
- automatic classification
- pattern classification
- class labels
- unsupervised learning
- supervised learning
- support vector machine
- pattern recognition
- multimedia
- support vector
- image classification
- machine learning
- classification method
- data sets
- supervised classification
- classification algorithm
- feature selection
- decision rules
- classification systems
- information retrieval
- classification models
- multimedia content
- training set
- cross validation
- metadata
- training samples
- model selection
- face recognition
- preprocessing