Keyphrases
- relevance feedback
- image retrieval
- cbir systems
- information retrieval systems
- user feedback
- active learning
- query expansion
- low level features
- document retrieval
- retrieval effectiveness
- image search
- pseudo relevance feedback
- information retrieval
- region based image retrieval
- retrieval model
- feedback information
- retrieval accuracy
- retrieval precision
- retrieval process
- relevant documents
- retrieval framework
- low level visual features
- bridge the semantic gap
- user queries
- image representation
- multiscale