Sparsity augmented discriminative sparse representation for face recognition.
Zhen LiuXiao-Jun WuZhenqiu ShuPublished in: Pattern Anal. Appl. (2019)
Keyphrases
- sparse representation
- face recognition
- sparse codes
- dictionary learning
- sparse coding
- feature extraction
- discriminative power
- sparsity constraints
- object tracking
- sparse reconstruction
- compressive sensing
- face images
- sparse approximations
- random projections
- image classification
- joint optimization
- image patches
- negative matrix factorization
- subspace learning
- compressed sensing
- signal processing
- facial expressions
- computer vision
- linear discriminant analysis
- regularized least squares
- dimensionality reduction
- semi supervised
- high dimensional data
- illumination variations
- test images
- face recognition systems
- neural network
- principal component analysis
- image representation
- higher order
- image retrieval
- data mining