Incremental EM for Probabilistic Latent Semantic Analysis on Human Action Recognition.
Jie XuGetian YeYang WangGunawan HermanBang ZhangJun YangPublished in: AVSS (2009)
Keyphrases
- feature selection
- action recognition
- probabilistic latent semantic analysis
- bag of visual words
- co occurrence
- visual features
- bag of words
- human activities
- human actions
- expectation maximization
- probabilistic model
- activity recognition
- latent dirichlet allocation
- computer vision
- action classification
- em algorithm
- latent semantic analysis
- motion history images
- topic models
- latent topics
- negative matrix factorization
- scene classification
- bag of features
- human object interactions
- latent variables
- generative model
- topic modeling
- maximum likelihood
- multiscale
- machine learning
- visual words
- image retrieval