Keyphrases
- preprocessing
- high dimensional
- feature extraction
- high dimensionality
- classification accuracy
- pattern recognition
- automatic classification
- pattern classification
- dimension reduction
- machine learning methods
- support vector machine
- machine learning
- training samples
- preprocessing step
- data preprocessing
- decision trees
- post processing
- feature space
- class imbalanced data
- preprocessing phase
- text classification
- noisy data
- image classification
- classification process
- feature vectors
- training set
- classification systems
- classification rate
- sparse data
- functional magnetic resonance imaging
- high dimension
- preprocessing stage
- cross validation
- classification models
- input space
- classification method
- classification algorithm
- benchmark datasets
- similarity search
- machine learning algorithms
- high dimensional data
- support vector machine svm
- support vector
- learning algorithm