Feature Selection in Conditional Random Fields for Map Matching of GPS Trajectories.
Jian YangLiqiu MengPublished in: LBS (2014)
Keyphrases
- conditional random fields
- map matching
- trajectory data
- feature selection
- road segments
- road network
- graphical models
- hidden markov models
- higher order
- probabilistic model
- crf model
- information extraction
- moving objects
- markov random field
- aerial images
- generative model
- sequence labeling
- vehicle tracking
- pairwise
- web page prediction
- space time
- multi class
- support vector machine
- temporal information
- global positioning system
- machine learning
- traffic flow
- shortest path
- object detection
- support vector