Keyphrases
- classification method
- classification accuracy
- pattern recognition
- automatic classification
- pattern classification
- machine learning
- support vector
- support vector machine svm
- sparse data
- dictionary learning
- classification models
- classification rules
- machine learning methods
- feature extraction
- decision rules
- class labels
- model selection
- signal processing
- supervised learning
- sparse representation
- classification algorithm
- benchmark datasets
- training samples
- image classification
- classification systems
- feature vectors
- classification process
- feature space
- high dimension
- information preserving