Structure regularized sparse coding for data representation.
Xiaoming WangShitong WangZengxi HuangYajun DuPublished in: Knowl. Based Syst. (2019)
Keyphrases
- data representation
- sparse coding
- subspace learning
- dictionary learning
- sparse representation
- image classification
- natural images
- linear combination
- dimensionality reduction
- image representation
- manifold structure
- unsupervised learning
- generative model
- sparse codes
- sparsity constraints
- image patches
- feature space
- pattern recognition
- feature selection
- xml documents