Sparse representation based facial expression classification for pain assessment in neonates.
Guanming LuCheng YangMengying ChenXiaonan LiPublished in: ICNC-FSKD (2016)
Keyphrases
- facial expressions
- expression recognition
- recognition of facial expressions
- facial expression recognition
- facial features
- expression classification
- facial action units
- facial expression analysis
- face recognition
- facial images
- face images
- human faces
- image classification
- video sequences
- feature extraction
- machine learning
- sparse representation
- feature selection
- training set
- decision trees
- facial actions
- recognizing facial expressions
- action units
- dimensionality reduction
- principal component analysis
- feature space
- computer vision