Discriminative Topic Sparse Representation for Text Categorization.
Wenbin ZhengYanqiu LiuHuijuan LuHong TangPublished in: ISCID (1) (2017)
Keyphrases
- text categorization
- sparse representation
- sparse codes
- feature selection
- dictionary learning
- sparse coding
- text classification
- image classification
- multi label
- semi supervised
- knn
- face recognition
- dimensionality reduction
- semi supervised learning
- naive bayes
- information gain
- k nearest neighbor
- feature extraction
- high dimensional data
- text documents
- unlabeled data
- image representation
- topic models
- sparse coefficients
- unsupervised learning
- signal processing
- text mining
- training data
- generative model
- co occurrence
- pattern recognition