Segmentation of Facial Expressions Using Semi-Definite Programming and Generalized Principal Component Analysis
Behnood GholamiAllen R. TannenbaumWassim M. HaddadPublished in: CoRR (2009)
Keyphrases
- facial expressions
- face images
- principal component analysis
- semi definite programming
- face recognition
- facial expression recognition
- video sequences
- segmentation algorithm
- image segmentation
- convex optimization
- shape prior
- dimensionality reduction
- level set
- facial features
- discriminant analysis
- multiscale
- feature extraction
- covariance matrix
- feature points
- low dimensional
- metric learning
- kernel matrix