Keyphrases
- fourier domain
- image database
- fourier transform
- image retrieval
- information retrieval
- information retrieval systems
- retrieval systems
- bayesian inference
- frequency domain
- document retrieval
- radon transform
- retrieval accuracy
- multimedia databases
- training phase
- retrieval method
- hierarchical structure
- fourier analysis
- series expansion
- content based retrieval
- text retrieval
- sparse representation
- query expansion
- case based reasoning
- active learning
- multimedia