Keyphrases
- face images
- face recognition
- human faces
- facial expressions
- automatic face
- high resolution
- low resolution
- face verification
- principal component analysis
- feature extraction
- feature vectors
- gender recognition
- face recognition systems
- gabor wavelets
- face databases
- facial features
- human face recognition
- illumination variations
- pose variations
- face representation and recognition
- age estimation
- face matching
- input image
- training set
- expression recognition
- face recognition algorithms
- cmu pie
- image set
- data sets
- low resolution face images
- face space
- facial expression recognition
- feature points
- recognition rate
- computer vision
- machine learning