Keyphrases
- face images
- principal component analysis
- color images
- color texture
- method for face recognition
- face recognition
- principal components analysis
- human faces
- principal components
- face databases
- color space
- lighting variations
- color texture segmentation
- dimensionality reduction
- color information
- recognizing faces
- face verification
- facial pose
- orl database
- complex background
- face representation and recognition
- facial expressions
- facial images
- feature extraction
- high dimensional
- low dimensional
- face space
- facial features
- lighting conditions
- covariance matrix
- image regions
- color constancy
- gender recognition
- skin regions
- independent component analysis
- fourier transform
- feature vectors
- feature space
- dimension reduction
- image processing