Robust discriminative nonnegative dictionary learning for occluded face recognition.
Weihua OuXiao LuanJianping GouQuan ZhouWenjun XiaoXiangguang XiongWu ZengPublished in: Pattern Recognit. Lett. (2018)
Keyphrases
- dictionary learning
- sparse representation
- face recognition
- sparse codes
- object category recognition
- sparse coding
- sparse representation based classification
- class specific
- image super resolution
- object tracking
- group sparsity
- discriminative power
- sparsity constraints
- graph embedding
- computer vision
- face images
- semi supervised
- feature selection
- data mining
- image patches
- partial occlusion
- unsupervised learning
- image classification
- nonnegative matrix factorization
- discriminative dictionary
- local binary pattern
- image representation
- data analysis
- pattern recognition
- similarity measure
- dictionary learning for sparse