REGIMvid at ImageCLEF2012: Concept-based Query Refinement and Relevance-based Ranking Enhancement for Image Retrieval.
Rim FakhfakhGhada FekiAmel KsibiAnis Ben AmmarChokri Ben AmarPublished in: CLEF (Online Working Notes/Labs/Workshop) (2012)
Keyphrases
- query refinement
- image retrieval
- relevance feedback
- multimedia retrieval
- query dependent
- retrieved documents
- web search
- cbir systems
- initial query
- image database
- text retrieval
- image search
- information retrieval systems
- image annotation
- document retrieval
- relevance model
- ranked list
- information retrieval
- image content
- low level features
- content based retrieval
- relevant documents
- query expansion
- ranking algorithm
- learning to rank
- multimedia information retrieval
- retrieval effectiveness
- video retrieval
- visual features
- image representation
- visual information
- visual content
- pseudo relevance feedback
- search engine
- active learning
- feature space
- query formulation
- retrieval model
- image collections
- web search engines
- similarity search