Abnormal event detection with semi-supervised sparse topic model.
Jun WangLimin XiaXiangjie HuYongliang XiaoPublished in: Neural Comput. Appl. (2019)
Keyphrases
- topic models
- abnormal event detection
- semi supervised
- abnormal events
- generative model
- topic modeling
- latent dirichlet allocation
- semi supervised learning
- weakly supervised
- probabilistic model
- text mining
- labeled data
- text documents
- active learning
- unlabeled data
- high dimensional
- latent variables
- latent topics
- pairwise
- multi view
- co occurrence
- baseline models
- supervised learning
- variational inference
- latent factors
- probabilistic topic models
- lda model
- daily life
- gaussian process
- collaborative filtering
- microblog posts