Trajectory Segmentation Map-Matching Approach for Large-Scale, High-Resolution GPS Data
Journal Article
·
· Transportation Research Record: Journal of the Transportation Research Board
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
With the development of smartphones and portable GPS devices, large-scale, high-resolution GPS data can be collected. Map matching is a critical step in studying vehicle driving activity and recognizing network traffic conditions from the data. A new trajectory segmentation map-matching algorithm is proposed to deal accurately and efficiently with large-scale, high-resolution GPS trajectory data. The new algorithm separated the GPS trajectory into segments. It found the shortest path for each segment in a scientific manner and ultimately generated a best-matched path for the entire trajectory. The similarity of a trajectory segment and its matched path is described by a similarity score system based on the longest common subsequence. The numerical experiment indicated that the proposed map-matching algorithm was very promising in relation to accuracy and computational efficiency. Large-scale data set applications verified that the proposed method is robust and capable of dealing with real-world, large-scale GPS data in a computationally efficient and accurate manner.
- Research Organization:
- National Renewable Energy Laboratory (NREL), Golden, CO (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), NREL Laboratory Directed Research and Development (LDRD)
- Grant/Contract Number:
- AC36-08GO28308
- OSTI ID:
- 1414899
- Report Number(s):
- NREL/JA--5400-66848
- Journal Information:
- Transportation Research Record: Journal of the Transportation Research Board, Journal Name: Transportation Research Record: Journal of the Transportation Research Board Vol. 2645; ISSN 0361-1981
- Publisher:
- National Academy of Sciences, Engineering and MedicineCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Map-matching using shortest paths
|
conference | January 2018 |
Map-Matching Using Shortest Paths
|
journal | February 2020 |
Map Matching for Urban High-Sampling-Frequency GPS Trajectories
|
journal | January 2020 |
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