-norm sparse representation for face recognition.
Lu ZhaoYong ZhangBaocai YinYanfeng SunYongli HuXinglin PiaoQianjun WuPublished in: Vis. Comput. (2016)
Keyphrases
- sparse representation
- face recognition
- regularized least squares
- norm minimization
- dictionary learning
- sparse learning
- sparse coding
- negative matrix factorization
- face images
- compressive sensing
- image patches
- image classification
- object tracking
- joint optimization
- face recognition systems
- compressed sensing
- random projections
- reconstruction error
- sparse approximations
- test images
- feature extraction
- signal processing
- computer vision
- sparse reconstruction
- facial expressions
- robust face recognition
- principal component analysis
- subspace learning
- illumination variations
- high dimensional data
- dimensionality reduction
- image representation
- nonnegative matrix factorization
- similarity measure
- sparsity constraints
- sparse codes
- data mining