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Incorporation of spatial anisotropy in urban expansion modelling with cellular automata / Jinqu Zhang in International journal of geographical information science IJGIS, vol 36 n° 1 (January 2022)  

Public [article]  inInternational journal of geographical information science IJGIS > vol 36 n° 1 (January 2022) . - pp 86 - 113 Titre : Incorporation of spatial anisotropy in urban expansion modelling with cellular automata Type de document : Article/Communication Auteurs : Jinqu Zhang, Auteur ; Yu Ling, Auteur ; A - Xing Zhu, Auteur ; et al., Auteur Année de publication : 2022 Article en page(s) : pp 86 - 113 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Analyse spatiale [Termes IGN] anisotropie [Termes IGN] automate cellulaire [Termes IGN] croissance urbaine [Termes IGN] Kouangtoung (Chine) [Termes IGN] modèle de simulation [Termes IGN] régression logistique [Termes IGN] voisinage (relation topologique) Résumé : (auteur) Cellular Automata (CA) models have become the most commonly used tool for simulating urban expansion. To improve the accuracy of CA models, various driving factors like spatial proximity and neighbourhood effects have been explored in previous studies, but the inclusion of these factors does not address the directional differences in urban expansion. To address this issue, this study develops a method to measure urban spatial anisotropy (SA) with respect to 18 variables at both the global and local scales, and integrates all these SA variables into a logistic regression-based CA model. The revised CA model is evaluated with a case study for Huizhou, China. The case study shows that the simulation results for the CA model with SA exhibit 89% overall accuracy; compared to CA models that do not consider SA, the revised CA model can improve precision by 5% on newly developed cells. The consideration of SA in CA models proves promising in improving the accuracy of urban expansion simulations. Numéro de notice : A2022-044 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/URBANISME Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/13658816.2020.1852475 Date de publication en ligne : 30/11/2020 En ligne : https://doi.org/10.1080/13658816.2020.1852475 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=99403 [article]

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