Unsupervised feature selection based on spectral regression from manifold learning for facial expression recognition.
Li WangKe WangRuifeng LiPublished in: IET Comput. Vis. (2015)
Keyphrases
- manifold learning
- facial expression recognition
- unsupervised feature selection
- dimensionality reduction
- feature extraction
- facial expressions
- feature selection
- human computer interaction
- low dimensional
- dimension reduction
- high dimensional
- subspace learning
- semi supervised
- face recognition
- data clustering
- local binary pattern
- high dimensional data
- principal component analysis
- human faces
- facial images
- high dimensionality
- model selection
- sparse representation
- pattern recognition
- data representation
- head pose estimation
- manifold structure
- feature space
- linear discriminant analysis
- image processing
- support vector
- feature vectors
- data points