Feature selection in conditional random fields for activity recognition.
Douglas L. VailJohn D. LaffertyManuela M. VelosoPublished in: IROS (2007)
Keyphrases
- activity recognition
- conditional random fields
- feature selection
- human activity recognition
- graphical models
- sequence labeling
- human activities
- higher order
- hidden markov models
- probabilistic model
- crf model
- random fields
- markov random field
- information extraction
- named entity recognition
- text categorization
- generative model
- pairwise
- structured prediction
- action recognition
- feature subset
- activities of daily living
- machine learning
- feature set
- support vector
- text classification
- semi markov
- dimensionality reduction
- accelerometer data
- knn
- smart home
- feature space
- computer vision
- bayesian networks
- k nearest neighbor
- multi class
- web page prediction
- model selection
- support vector machine
- feature extraction