Robust hierarchical feature selection with a capped ℓ2-norm.
Xinxin LiuHong ZhaoPublished in: Neurocomputing (2021)
Keyphrases
- feature selection
- feature space
- text categorization
- mutual information
- text classification
- machine learning
- unsupervised feature selection
- hierarchical classification
- selected features
- feature subset
- high dimensionality
- computationally efficient
- unsupervised learning
- feature set
- data sets
- multi class
- classification accuracy
- video sequences
- partial occlusion
- information gain
- image processing
- learning algorithm
- irrelevant features
- norm minimization