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