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ISPRS Int. J. Geo-Inf. 2019, 8(2), 81; https://doi.org/10.3390/ijgi8020081

A New, Score-Based Multi-Stage Matching Approach for Road Network Conflation in Different Road Patterns

Department of Geomatic Engineering, Faculty of Civil Engineering, Yildiz Technical University, Davutpasa Campus, 34220 Esenler, Istanbul, Turkey
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Received: 31 December 2018 / Revised: 29 January 2019 / Accepted: 11 February 2019 / Published: 13 February 2019
(This article belongs to the Special Issue Multi-Source Geoinformation Fusion)
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Abstract

Road-matching processes establish links between multi-sourced road lines representing the same entities in the real world. Several road-matching methods have been developed in the last three decades. The main issue related to this process is selecting the most appropriate method. This selection depends on the data and requires a pre-process (i.e., accuracy assessment). This paper presents a new matching method for roads composed of different patterns. The proposed method matches road lines incrementally (i.e., from the most similar matching to the least similar). In the experimental testing, three road networks in Istanbul, Turkey, which are composed of tree, cellular, and hybrid patterns, provided by the municipality (authority), OpenStreetMap (volunteered), TomTom (private), and Basarsoft (private) were used. The similarity scores were determined using Hausdorff distance, orientation, sinuosity, mean perpendicular distance, mean length of triangle edges, and modified degree of connectivity. While the first four stages determined certain matches with regards to the scores, the last stage determined them with a criterion for overlapping areas among the buffers of the candidates. The results were evaluated with manual matching. According to the precision, recall, and F-value, the proposed method gives satisfactory results on different types of road patterns. View Full-Text
Keywords: matching; map conflation; map fusion; OSM; road patterns matching; map conflation; map fusion; OSM; road patterns
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Hacar, M.; Gökgöz, T. A New, Score-Based Multi-Stage Matching Approach for Road Network Conflation in Different Road Patterns. ISPRS Int. J. Geo-Inf. 2019, 8, 81.

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