Latent Dirichlet Allocation for Unsupervised Activity Analysis on an Autonomous Mobile Robot.
Paul DuckworthMuhannad Al-OmariJames CharlesDavid C. HoggAnthony G. CohnPublished in: AAAI (2017)
Keyphrases
- autonomous mobile robot
- activity analysis
- hierarchical bayesian models
- latent dirichlet allocation
- topic modeling
- robot navigation
- topic models
- motion patterns
- lda model
- activity recognition
- visual surveillance
- mobile robot
- vision system
- real time
- video surveillance
- generative model
- human activities
- spatio temporal
- scene understanding
- unsupervised learning
- co occurrence
- text mining
- information retrieval
- computer vision
- unsupervised manner
- video analysis
- prior knowledge
- semi supervised
- object tracking