Facial expression recognition based on discriminative dictionary learning.
Weifeng LiuCaifeng SongYanjiang WangPublished in: ICPR (2012)
Keyphrases
- facial expression recognition
- dictionary learning
- sparse codes
- object category recognition
- facial expressions
- sparse representation
- sparse coding
- human computer interaction
- discriminative dictionary
- feature extraction
- image super resolution
- face recognition
- discriminative power
- facial features
- unsupervised learning
- image classification
- human faces
- image representation
- local binary pattern
- facial images
- semi supervised
- natural images
- multiscale
- linear combination
- image sequences
- computer vision