Low-rank sparse coding and region of interest pooling for dynamic 3D facial expression recognition.
Payam ZarbakhshHasan DemirelPublished in: Signal Image Video Process. (2018)
Keyphrases
- region of interest
- sparse coding
- low rank
- facial expression recognition
- linear combination
- dictionary learning
- facial expressions
- sparse representation
- medical images
- natural images
- convex optimization
- generative model
- norm minimization
- semi supervised
- matrix factorization
- unsupervised learning
- singular value decomposition
- high dimensional data
- missing data
- subspace learning
- face recognition
- image classification
- local binary pattern
- matrix completion
- small number
- feature extraction
- high order
- image representation
- human faces
- visual words
- image patches
- facial images
- high resolution
- feature space
- pairwise
- feature vectors
- multiresolution
- maximum likelihood
- data sets