Crowd Activity Classification Using Category Constrained Correlated Topic Model.
Xianping HuangWanliang WangGuojiang ShenXiaoqing FengXiangjie KongPublished in: KSII Trans. Internet Inf. Syst. (2016)
Keyphrases
- topic models
- latent dirichlet allocation
- topic modeling
- text documents
- baseline models
- feature space
- co occurrence
- generative model
- pattern classification
- machine learning
- supervised learning
- text classification
- microblog posts
- latent topics
- gibbs sampling
- model selection
- image classification
- support vector machine
- feature extraction
- class labels
- probabilistic model
- training set