Structured optimal graph based sparse feature extraction for semi-supervised learning.
Zhonghua LiuZhihui LaiWeihua OuKaibing ZhangRuijuan ZhengPublished in: Signal Process. (2020)
Keyphrases
- semi supervised learning
- semi supervised
- feature extraction
- label propagation
- semi supervised learning methods
- unlabeled data
- labeled data
- graph based semi supervised learning
- graph construction
- semi supervised classification
- supervised learning
- active learning
- machine learning
- unsupervised learning
- semi supervised learning algorithms
- manifold regularization
- co training
- face recognition
- high dimensional
- labeled and unlabeled data
- learning models
- training data
- feature vectors
- principal component analysis
- transfer learning
- image processing
- partially labeled
- image classification
- data sets
- computer vision
- pairwise constraints
- knn
- text classification