Keyphrases
- classification scheme
- automatic classification
- sparse representation
- image classification
- pattern recognition
- classification accuracy
- dictionary learning
- text classification
- feature vectors
- machine learning
- classification method
- high dimensional
- preprocessing
- feature space
- sparse codes
- k nearest neighbour
- classification process
- neural network
- feature selection
- decision trees
- benchmark datasets
- support vector
- support vector machine
- class labels
- classification algorithm
- multimedia
- learning algorithm
- support vector machine svm
- random projections