Facial expression recognition based on graph-preserving sparse non-negative matrix factorization.
Ruicong ZhiMarkus FlierlQiuqi RuanW. Bastiaan KleijnPublished in: ICIP (2009)
Keyphrases
- sparse non negative
- matrix factorization
- facial expression recognition
- facial expressions
- sparse coding
- human computer interaction
- collaborative filtering
- recommender systems
- missing data
- negative matrix factorization
- nonnegative matrix factorization
- local binary pattern
- feature extraction
- factorization methods
- human faces
- sparse representation
- face recognition
- natural images
- facial features
- linear combination
- image representation
- machine learning
- image patches
- facial images
- video sequences