Facial expression recognition based on weber local descriptor and sparse representation.
Yan OuyangPublished in: MIPPR (2017)
Keyphrases
- sparse representation
- facial expression recognition
- face recognition
- facial expressions
- dictionary learning
- sparse coding
- human computer interaction
- expression recognition
- local binary pattern
- image patches
- image classification
- human faces
- compressive sensing
- expression classification
- image representation
- high dimensional data
- feature extraction
- object tracking
- signal processing
- facial images
- subspace learning
- face images
- face detection
- dimensionality reduction
- facial features
- gabor features
- machine learning
- multiresolution
- active appearance models
- video sequences
- unsupervised learning
- data sets