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Using surrogate road network for map-matching: A sensitivity analysis of positional accuracy / Yann Méneroux (2017)
Titre : Using surrogate road network for map-matching: A sensitivity analysis of positional accuracy Type de document : Article/Communication Auteurs : Yann Méneroux , Auteur ; Arnaud Le Guilcher , Auteur ; Olivier Orfila, Auteur ; B. Lusetti, Auteur ; Guillaume Saint Pierre, Auteur ; Sébastien Mustière , Auteur Editeur : GeoComputation Conference Année de publication : 2017 Projets : 1-Pas de projet / Conférence : GeoComputation 2017, International conference on GeoComputation, Celebrating 21 Years of GeoComputation 04/09/2017 07/09/2017 Leeds Royaume-Uni open access proceedings Note générale : bibliographie Langues : Français (fre) Résumé : (auteur) Map-matching GPS traces on a reference road network often increases point positional accuracy, especially in urban environment where satellite signal is frequently obstructed by buildings. However, with receivers improvement, road data errors may no longer be ipso facto considered as negligible in front of GPS trace errors. This raises the question of sensitivity of map-matching output precision to input network geometric quality. We address the problem by attempting to relate gain in precision with a network quality index, based on two commonly used measures: averaged Hausdorff distance and areal difference. Analysis has been conducted by performing both GPS traces simulation and network perturbation. Results highlighted that the areal difference (for which we demonstrate that it can be considered as a distance) seems to be better related to map-matching output errors. We also provide an upper bound on the impact of using a surrogate reference network and we apply it to a practical case study. Numéro de notice : C2017-044 Affiliation des auteurs : LASTIG COGIT+Ext (2012-2019) Nature : Communication nature-HAL : ComAvecCL&ActesPubliésNat DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=91929 Documents numériques
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