Keyphrases
- robust face recognition
- input image
- image database
- varying illumination
- image retrieval
- object recognition
- face recognition algorithms
- test images
- face recognition
- face recognition systems
- image classification
- image matching
- high dimensional
- image recognition
- image set
- subspace learning
- illumination conditions
- face databases
- probabilistic model
- lighting conditions
- object tracking
- feature points
- dimensionality reduction