Discriminant Non-negative Matrix Factorization and Projected Gradients for Frontal Face Verification.
Irene KotsiaStefanos ZafeiriouIoannis PitasPublished in: BIOID (2008)
Keyphrases
- negative matrix factorization
- face verification
- principal component analysis
- face recognition
- face images
- frontal view
- sparse representation
- face detection
- face recognition systems
- face databases
- feature extraction
- dimensionality reduction
- linear discriminant analysis
- recognition rate
- human faces
- facial expressions
- low dimensional
- document clustering
- recognition accuracy
- facial images
- pose variations
- subspace learning
- labeled faces in the wild
- matrix factorization
- computer vision
- clustering method
- k means
- high dimensional
- multiscale
- data sets