Keyphrases
- pattern recognition
- decision trees
- pattern classification
- class imbalance
- classification systems
- classification accuracy
- classification scheme
- support vector machine
- feature vectors
- semi supervised
- supervised learning
- support vector
- machine learning methods
- classification method
- small sample
- imbalanced data
- classification models
- binary classification problems
- classification rules
- class labels
- feature extraction
- preprocessing
- virtual world
- virtual environment
- machine learning algorithms
- image classification
- machine learning
- multiclass classification
- training set
- multi class
- feature set
- roc curve
- text classification
- training samples
- classification algorithm
- svm classifier
- support vector machine svm
- benchmark datasets