Keyphrases
- image retrieval
- partially occluded
- image database
- face images
- image content
- gender recognition
- text retrieval
- human faces
- image search
- facial expressions
- recovery algorithm
- retrieval precision
- face identification
- nearest neighbor search
- image annotation
- visual features
- image representation
- high level
- relevance feedback
- image data
- data sets
- information retrieval
- computer vision
- low level
- retrieval accuracy
- biometric systems
- retrieval process
- retrieval method
- recognition algorithm
- facial images
- recognition rate
- low level features