Dual-graph regularized discriminative transfer sparse coding for facial expression recognition.
Dongliang ChenPeng SongPublished in: Digit. Signal Process. (2021)
Keyphrases
- facial expression recognition
- sparse coding
- sparse codes
- discriminative power
- facial expressions
- unsupervised learning
- object category recognition
- dictionary learning
- sparse representation
- natural images
- human computer interaction
- image classification
- discriminative dictionary
- feature extraction
- linear combination
- face recognition
- image representation
- generative model
- image patches
- local binary pattern
- subspace learning
- human faces
- facial images
- visual categorization
- high dimensional
- facial features
- feature space
- learning algorithm
- multiscale
- linear classifiers
- visual words
- machine learning
- texture analysis
- object recognition
- video sequences
- supervised learning
- face detection
- multi class
- mixture model
- high quality
- semi supervised