Keyphrases
- image retrieval
- image database
- retrieval method
- hierarchical structure
- hierarchical structures
- object recognition
- multiresolution
- relevance feedback
- text retrieval
- coarse to fine
- hierarchical model
- multiple layers
- data sets
- nonlinear dimensionality reduction
- information hiding
- nearest neighbor search
- retrieval accuracy
- image search
- image collections
- multiscale
- learning algorithm
- neural network