Self-Taught Semisupervised Dictionary Learning With Nonnegative Constraint.
Xiaoqin ZhangQianqian LiuDi WangLi ZhaoNannan GuStephen J. MaybankPublished in: IEEE Trans. Ind. Informatics (2020)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- semi supervised
- sparsity constraints
- graph embedding
- image super resolution
- object category recognition
- group sparsity
- sparse codes
- dictionary learning for sparse
- objective function
- linear programming
- pairwise
- image segmentation
- generative model
- image classification
- image representation
- linear combination
- unsupervised learning
- global constraints
- natural images
- active learning
- feature space
- bayesian networks
- feature extraction
- face recognition
- data sets