PKU at ImageCLEF 2008: Experiments with Query Extension Techniques for Text-Based and Content-Based Image Retrieval.
Zhi ZhouYonghong TianYuanning LiTing LiuTiejun HuangWen GaoPublished in: CLEF (Working Notes) (2008)
Keyphrases
- relevance feedback
- image retrieval
- improve the retrieval accuracy
- multimedia
- ad hoc retrieval
- image search
- query processing
- response time
- visual features
- semantic information
- database
- retrieval accuracy
- query evaluation
- image retrieval systems
- textual descriptions
- data sources
- retrieval systems
- query expansion
- multimedia content
- retrieval method
- visual information
- multimedia documents
- retrieval process
- range queries
- text retrieval
- effective retrieval
- semantic meaning
- relevant content
- visual content
- question answering
- document retrieval
- object retrieval
- data structure
- keywords
- medical image retrieval
- low level image features
- metadata