Action categorization by structural probabilistic latent semantic analysis.
Jianguo ZhangShaogang GongPublished in: Comput. Vis. Image Underst. (2010)
Keyphrases
- probabilistic latent semantic analysis
- co occurrence
- visual features
- latent semantic analysis
- latent dirichlet allocation
- probabilistic model
- latent semantic
- topic models
- negative matrix factorization
- em algorithm
- text categorization
- scene classification
- topic modeling
- latent topics
- feature selection
- latent variables
- high level
- text documents
- multiscale
- information retrieval