Keyphrases
- human activities
- deep belief networks
- unsupervised learning
- deep learning
- activity recognition
- probabilistic model
- restricted boltzmann machine
- hierarchical models
- generative model
- sparse coding
- human computer interaction
- action recognition
- sensor data
- approximate inference
- machine learning
- hierarchical model
- graphical models
- conditional random fields
- data sets
- sparse representation
- human body
- supervised learning