Label propagation based semi-supervised non-negative matrix factorization for feature extraction.
Yugen YiYanjiao ShiHuijie ZhangJianzhong WangJun KongPublished in: Neurocomputing (2015)
Keyphrases
- label propagation
- negative matrix factorization
- semi supervised
- feature extraction
- principal component analysis
- semi supervised learning
- spectral clustering
- labeled data
- unlabeled data
- matrix factorization
- pairwise
- sparse representation
- dimensionality reduction
- face recognition
- pairwise constraints
- label information
- active learning
- unsupervised learning
- document clustering
- supervised learning
- feature selection
- image classification
- feature vectors
- pattern recognition
- class labels
- image processing
- feature set
- text categorization
- feature space
- learning algorithm
- prior knowledge
- data clustering
- training data
- decision trees