Keyphrases
- relevance feedback
- image retrieval
- improve the retrieval accuracy
- low level visual features
- information retrieval systems
- image search
- active learning
- query expansion
- user feedback
- document retrieval
- cbir systems
- learning algorithm
- retrieval accuracy
- retrieval model
- feedback information
- low level features
- information retrieval
- feature selection
- relevant documents
- web images
- negative feedback
- low level image features
- retrieval precision
- multimedia
- image database
- ensemble learning
- metadata
- feature weighting
- retrieval framework
- e learning
- text categorization
- semantic information
- retrieval effectiveness
- web content
- machine learning