一种基于动态词汇表的在线LDA算法 (Online LDA on Dynamic Vocabulary).
Jianwei ZhangJianfeng YanXiaosheng LiuLu YangPublished in: 计算机科学 (2016)
Keyphrases
- linear discriminant analysis
- latent dirichlet allocation
- topic models
- face recognition
- discriminant analysis
- topic discovery
- topic modeling
- real time
- linear discriminate analysis
- generative model
- dimensionality reduction
- principal component analysis
- discriminating power
- feature extraction
- subspace methods
- dimension reduction
- null space
- small sample size
- online learning
- gabor features
- subspace analysis
- data mining