Hierarchical Complex Activity Representation and Recognition Using Topic Model and Classifier Level Fusion.
Liangying PengLing ChenXiaojie WuHaodong GuoGencai ChenPublished in: IEEE Trans. Biomed. Eng. (2017)
Keyphrases
- topic models
- topic modeling
- latent dirichlet allocation
- pitman yor process
- generative model
- text documents
- latent variables
- baseline models
- latent topics
- probabilistic model
- text mining
- learning tasks
- gibbs sampling
- support vector
- feature selection
- social networks
- training samples
- generative process
- training data
- latent topic model