Keyphrases
- illumination invariant
- face tracking
- face recognition
- local binary pattern
- multi band
- multi view
- spherical harmonics
- face images
- multi camera
- particle filter
- active appearance models
- face detection
- gabor features
- video sequences
- visual tracking
- color model
- feature extraction
- computer vision algorithms
- surveillance system
- facial images
- human faces
- facial expression recognition
- face databases
- robust tracking
- facial features
- appearance model
- single image