Adaptive discriminative metric learning for facial expression recognition.
Haibin YanMarcelo H. AngAun Neow PooPublished in: IET Biom. (2012)
Keyphrases
- facial expression recognition
- metric learning
- semi supervised
- facial expressions
- feature extraction
- distance metric
- distance metric learning
- human computer interaction
- dimensionality reduction
- expression recognition
- face recognition
- human faces
- multi task
- feature space
- distance function
- pairwise
- mahalanobis metric
- learning tasks
- facial features
- facial images
- local binary pattern
- semi supervised learning
- unsupervised learning
- multiscale
- face images
- manifold learning
- image features
- feature vectors
- high dimensional
- pattern recognition
- image segmentation