Structural Dictionary Learning based on Non-convex Surrogate of ℓ₂, ₁ Norm for Classification.
Xiaoju LuGuiying TangDi WangXiaoqin ZhangJingjing ZhengPublished in: IEEE BigData (2019)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- object category recognition
- machine learning
- sparse codes
- linear combination
- neural network
- decision trees
- feature space
- group sparsity
- training set
- image patches
- dictionary learning for sparse
- data sets
- image classification
- principal component analysis
- supervised learning
- pattern recognition
- feature extraction