Keyphrases
- sparse data
- image database
- signal processing
- document retrieval
- information retrieval
- high dimensional
- information retrieval systems
- retrieval systems
- case retrieval
- content based retrieval
- signal reconstruction
- test collection
- query expansion
- relevance feedback
- efficient retrieval
- image retrieval
- compressive sensing
- gaussian white noise
- neural network
- learning phase
- shape retrieval
- retrieval method
- multimedia databases
- retrieval model