Using Mixture Covariance Matrices to Improve Face and Facial Expression Recognitions.
Carlos E. ThomazDuncan Fyfe GilliesRaul Queiroz FeitosaPublished in: AVBPA (2001)
Keyphrases
- facial expressions
- covariance matrices
- human faces
- face images
- facial expression recognition
- expression recognition
- covariance matrix
- facial features
- facial images
- face recognition
- gaussian distribution
- maximum likelihood
- facial expression analysis
- video sequences
- gaussian mixture model
- vector space
- gaussian mixture
- recognition of facial expressions
- distance measure
- head motion
- face model
- mixture model
- principal component analysis
- facial actions
- facial gestures
- recognizing facial expressions
- lighting conditions
- feature vectors
- expression classification
- face detection
- linear classifiers
- facial animation
- facial motion