Keyphrases
- image retrieval
- feature extraction
- image database
- relevance feedback
- nearest neighbor search
- feature space
- image content
- visual features
- multimedia retrieval
- retrieval method
- image annotation
- text retrieval
- image matching
- image classification
- face recognition
- frequency domain
- wavelet transform
- preprocessing
- image collections
- content based retrieval
- pattern recognition
- video sequences
- high quality
- image indexing
- texture feature extraction