Dual subspace nonnegative matrix factorization for person-invariant facial expression recognition.
Yi-Han TuChiou-Ting HsuPublished in: ICPR (2012)
Keyphrases
- facial expression recognition
- nonnegative matrix factorization
- principal component analysis
- facial expressions
- feature extraction
- negative matrix factorization
- face recognition
- human computer interaction
- data representation
- matrix factorization
- expression recognition
- subspace learning
- high dimensional data
- low dimensional
- local binary pattern
- least squares
- dimensionality reduction
- original data
- facial features
- document clustering
- human faces
- face images
- facial images
- feature space
- nearest neighbor
- high dimensional
- objective function
- multiscale
- feature vectors
- image data