Keyphrases
- robust face recognition
- face recognition
- gabor features
- principal component analysis
- partial occlusion
- feature analysis
- face images
- subspace learning
- illumination variations
- dimensionality reduction
- pose estimation
- face recognition algorithms
- gabor filters
- varying illumination
- linear discriminant analysis
- feature extraction
- d objects
- active appearance models
- illumination invariant
- sparse coding
- facial expression recognition
- face recognition systems
- texture information
- object detection
- linear subspace
- computer vision
- image matching
- low dimensional
- image sequences