Graph-based topic models for trajectory clustering in crowd videos.
Manal Al GhamdiYoshihiko GotohPublished in: Mach. Vis. Appl. (2020)
Keyphrases
- topic models
- topic discovery
- topic modeling
- latent dirichlet allocation
- probabilistic latent semantic analysis
- latent topics
- clustering method
- crowd sourced
- clustering algorithm
- text mining
- latent topic models
- text documents
- probabilistic model
- latent variables
- co occurrence
- gibbs sampling
- data points
- k means
- relevance model
- generative model
- hierarchical bayesian model
- social networks
- text corpora
- bayesian networks
- object recognition
- probabilistic topic models
- data analysis
- knowledge representation
- spectral clustering
- semi supervised