Discriminative sparse representation for face recognition.
Zhihong ZhangYuanheng LiangLu BaiEdwin R. HancockPublished in: Multim. Tools Appl. (2016)
Keyphrases
- sparse representation
- face recognition
- sparse codes
- sparse coding
- dictionary learning
- feature extraction
- discriminative power
- compressed sensing
- subspace learning
- compressive sensing
- image patches
- object tracking
- face images
- random projections
- image classification
- semi supervised
- regularized least squares
- linear discriminant analysis
- sparse reconstruction
- robust face recognition
- sparse approximations
- test images
- sparsity constraints
- neural network
- sparse representation based classification
- computer vision
- image processing
- norm minimization
- facial expressions
- signal processing
- unsupervised learning
- image representation
- linear combination
- face recognition algorithms
- joint optimization
- gabor features
- illumination variations
- negative matrix factorization