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Multi-scale representation of digital line / F.B. Zahn in Cartography and geographic information systems, vol 23 n° 4 (December 1996)  

Public [article]  inCartography and geographic information systems > vol 23 n° 4 (December 1996) . - pp 206 - 228 Titre : Multi-scale representation of digital line Type de document : Article/Communication Auteurs : F.B. Zahn, Auteur Année de publication : 1996 Article en page(s) : pp 206 - 228 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Cartographie numérique [Termes IGN] données multiéchelles [Termes IGN] généralisation cartographique automatisée [Termes IGN] limite de résolution géométrique [Termes IGN] lissage de courbe [Termes IGN] objet géographique linéaire [Termes IGN] représentation géométrique Résumé : (Auteur) A scheme for multiscale geometrical representation of a digital line is proposed. A digital line is represented as a structured object in which lines at different levels of resolution are represented as lists, quadcodes are used as control mechanism for guiding line simplification at multiple scales of a pyramid, and operators for simplification and smoothing are used to generate lines at different levels of resolution. In this scheme, lines at different levels of an image pyramid can be automatically generated without specifying the so-called tolerance value. Experimental results show that up to a certain level of resolution, the simplified lines retain important information content and recognizable characteristics. Also, the image pyramid assures a legible representation at any level of representation. Future research should improve the current line simplification operator and address the correspondence between lines at different levels of an image pyramid and the lines at different map scales. Numéro de notice : A1996-060 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1559/152304096782438800 En ligne : https://doi.org/10.1559/152304096782438800 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=25844 [article]

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