Keyphrases
- face recognition
- face images
- discriminant analysis
- human faces
- sparse representation
- recognition rate
- computer vision
- facial expressions
- principal component analysis
- feature extraction
- recognition accuracy
- databases
- facial images
- robust face recognition
- face recognition algorithms
- face databases
- orl face database
- linear discriminant analysis
- local binary pattern
- face detection
- spatial information
- illumination conditions
- feature representation
- illumination variations
- face identification
- feature vectors
- fisher linear discriminant
- image processing
- orl face