Keyphrases
- signal to noise ratio
- information retrieval
- retrieval systems
- image retrieval
- random noise
- image database
- document retrieval
- missing data
- noise reduction
- noise level
- information retrieval systems
- relevance feedback
- noise model
- additive noise
- content based retrieval
- multimedia databases
- retrieval model
- non stationary
- denoising
- indexing techniques
- high dimensional
- retrieval method
- retrieval process
- data sets
- image noise
- low signal to noise ratio
- harmonic maps