Keyphrases
- image retrieval systems
- image retrieval
- relevance feedback
- image database
- visual content
- web images
- low level features
- retrieval process
- cross language
- semantic gap
- cbir systems
- retrieval strategies
- color histogram
- visual features
- global features
- content based retrieval
- retrieval model
- feature space
- database
- high level
- vector space
- test collection
- active learning
- information retrieval