Discriminative Unsupervised Dimensionality Reduction.
Xiaoqian WangYun LiuFeiping NieHeng HuangPublished in: IJCAI (2015)
Keyphrases
- unsupervised dimensionality reduction
- dimensionality reduction
- principal component analysis
- low dimensional
- text categorisation
- feature extraction
- unsupervised learning
- discriminative power
- feature selection
- semi supervised
- discriminative learning
- neural network
- discriminative training
- diffusion maps
- hidden markov models
- data points
- pattern recognition
- maximum likelihood
- euclidean distance