Keyphrases
- multi class
- cross modal
- subspace learning
- multi modal
- multimedia retrieval
- dimensionality reduction
- multimedia databases
- image retrieval
- support vector machine
- principal component analysis
- manifold learning
- multi class classification
- visual similarity
- low dimensional
- pairwise
- feature selection
- face recognition
- sparse representation
- sparse coding
- learning algorithm
- binary classification
- high dimensional data
- semi supervised
- binary classifiers
- relevance feedback
- computer vision
- unsupervised learning
- visual data
- natural images
- supervised learning
- high dimensional