IF-Matching: Towards accurate map-matching with information fusion
- Publication Type:
- Conference Proceeding
- Citation:
- Proceedings - International Conference on Data Engineering, 2017, pp. 9 - 10
- Issue Date:
- 2017-05-16
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© 2017 IEEE. With the advance of various location-Acquisition technologies, a myriad of GPS trajectories can be collected every day. However, the raw coordinate data captured by sensors often cannot reflect real positions due to many physical constraints and some rules of law. How to accurately match GPS trajectories to roads on a digital map is an important issue. Many existing methods still cannot meet stringent performance requirements, especially for low/unstable sampling rate and noisy/lost data. As in practice, some other measurements such as speed and moving direction are collected together with the spatial locations acquired, we can make use of not only location coordinates but all data collected. In this paper, we propose a novel model using the related meta-information to describe a moving object, and present an algorithm called IF-Matching for map-matching. It can handle many ambiguous cases which cannot be correctly matched by existing methods. We run our algorithm with taxi trajectory data on a city-wide road network. Compared with two state-of-The-Art algorithms of ST-Matching and the winner of GIS Cup 2012, our approach achieves more accurate results.
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