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Article type: Research Article
Authors: Wang, Xiaohana; b; * | Wang, Peia; b | Chen, Weilonga | Hu, Wangwua; b | Yang, Longa; b
Affiliations: [a] School of Computer and Information, Anhui Normal University, Wuhu, Anhui, China | [b] Anhui Provincial Key Laboratory of Network and Information Security, Wuhu, Anhui, China
Correspondence: [*] Corresponding author. Xiaohan Wang, E-mail: [email protected].
Abstract: Many location-based services require a pre-processing step of map matching. Due to the error of the original position data and the complexity of the road network, the matching algorithm will have matching errors when the complex road network is implemented, which is therefore challenging. Aiming at the problems of low matching accuracy and low efficiency of existing algorithms at Y-shaped intersections and roundabouts, this paper proposes a space-time-based continuous window average direction feature trajectory map matching algorithm (STDA-matching). Specifically, the algorithm not only adaptively generates road network topology data, but also obtains more accurate road network relationships. Based on this, the transition probability is calculated by using the average direction feature of the continuous window of the track points to improve the matching accuracy of the algorithm. Secondly, the algorithm simplifies the trajectory by clustering the GPS trajectory data aggregation points to improve the matching efficiency of the algorithm. Finally, we use a real and effective data set to compare the algorithm with the two existing algorithms. Experimental results show that our algorithm is effective.
Keywords: Map matching, continuous window direction, road network topology, trajectory clustering
DOI: 10.3233/JIFS-212417
Journal: Journal of Intelligent & Fuzzy Systems, vol. 42, no. 6, pp. 5847-5862, 2022
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