Keyphrases
- image representation
- image retrieval
- image description
- cbir systems
- multiscale
- image classification
- bag of words
- image content
- object recognition
- image database
- image features
- feature space
- quadtree
- feature representations
- sparse coding
- relevance feedback
- object retrieval
- image processing
- information retrieval
- visual words
- visual content
- representation scheme
- query expansion
- low level features
- information retrieval systems
- sparse representation
- bag of visual words
- scene recognition
- receptive fields
- bag of features
- similarity measure
- retrieval process
- image search
- retrieval systems