Linear subspaces for facial expression recognition.
Niki AifantiAnastasios DelopoulosPublished in: Signal Process. Image Commun. (2014)
Keyphrases
- facial expression recognition
- linear subspace
- face recognition
- facial expressions
- low dimensional
- image space
- subspace learning
- human computer interaction
- local binary pattern
- human faces
- facial images
- face images
- image set
- feature extraction
- subspace clustering
- spherical harmonics
- multiple views
- computer vision
- active appearance models
- facial features
- principal component analysis
- semi supervised
- motion estimation
- manifold learning
- multiresolution
- sparse representation
- dimensionality reduction