Facial Expression Recognition via Discriminative Dictionary Learning.
Kuang-Yu ChangChu-Song ChenPublished in: iThings/GreenCom/CPSCom (2014)
Keyphrases
- facial expression recognition
- dictionary learning
- sparse codes
- object category recognition
- sparse representation
- sparse coding
- facial expressions
- feature extraction
- human computer interaction
- face recognition
- discriminative power
- image super resolution
- human faces
- discriminative dictionary
- image classification
- unsupervised learning
- local binary pattern
- facial features
- facial images
- semi supervised
- feature selection
- visual words
- image patches
- texture features
- text classification
- dimensionality reduction
- prior knowledge