Query difficulty estimation via pseudo relevance feedback for image search.
Qianghuai JiaXinmei TianTao MeiPublished in: ICME (2014)
Keyphrases
- image search
- pseudo relevance feedback
- query difficulty
- retrieval effectiveness
- relevance feedback
- average precision
- query expansion
- image retrieval
- image classification
- test collection
- image collections
- information retrieval
- document retrieval
- relevant documents
- visual features
- language model
- image annotation
- information retrieval systems
- retrieval model
- evaluation metrics
- relevance model
- query terms
- active learning
- retrieval systems
- vector space model
- image database
- multi modal