Keyphrases
- text retrieval
- image retrieval
- image representation
- object retrieval
- image content
- image features
- image classification
- multiscale
- document retrieval
- text queries
- image collections
- document collections
- retrieval model
- similarity measure
- image processing
- keypoints
- low level
- cross language
- retrieval quality
- retrieval systems
- e learning
- query expansion
- keywords
- text representation
- metadata