Keyphrases
- relevance feedback
- image retrieval
- feature selection
- feature weighting
- feature space
- low level features
- retrieval precision
- image database
- image search
- user feedback
- text categorization
- active learning
- image retrieval systems
- retrieval accuracy
- information retrieval systems
- region based image retrieval
- text classification
- feature set
- support vector
- machine learning
- visual content
- query expansion
- multi class
- text retrieval
- low level visual features
- feature selection algorithms
- cbir systems
- information retrieval
- feature extraction
- model selection
- retrieved images
- support vector machine
- document retrieval
- unsupervised learning
- retrieval framework
- selected features
- mutual information
- dimensionality reduction
- retrieval method
- classification accuracy
- image representation
- multiple features
- retrieval process
- irrelevant features
- visual features
- multimedia retrieval
- discriminative features
- web image retrieval
- pseudo relevance feedback
- image collections
- feature subset
- image annotation
- retrieval model
- visual information
- image matching
- relevant documents
- image classification
- training set