Graph based feature extraction and hybrid classification approach for facial expression recognition.
L. B. KrithikaG. G. Lakshmi PriyaPublished in: J. Ambient Intell. Humaniz. Comput. (2021)
Keyphrases
- facial expression recognition
- feature extraction
- expression recognition
- pattern classification
- facial expressions
- feature vectors
- pattern recognition
- feature space
- face recognition
- local binary pattern
- preprocessing
- feature set
- facial expression analysis
- human computer interaction
- person independent
- expression classification
- facial feature extraction
- recognition of facial expressions
- dimension reduction
- discriminant analysis
- human faces
- wavelet transform
- feature analysis
- decision trees
- linear discriminant analysis
- semi supervised
- feature selection
- dimensionality reduction
- image processing
- wavelet features
- emotion recognition
- machine learning
- feature point tracking
- similarity measure
- support vector
- training set
- manifold learning
- principal component analysis