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International Society for Photogrammetry and Remote Sensing ISPRS
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Titre : Urban classification for generalization orchestration Type de document : Article/Communication Auteurs : Annabelle Boffet , Auteur ; Caroline Coquerel, Auteur Editeur : International Society for Photogrammetry and Remote Sensing ISPRS Année de publication : 2000 Collection : International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences, ISSN 1682-1750 num. 33-B4 Conférence : ISPRS 2000, 19th ISPRS Congress Technical Commission 4, Mapping and Geographic Information Systems 16/07/2000 23/07/2000 Amsterdam Pays-Bas OA Proceedings archives Importance : pp 132 - 139 Format : 21 x 30 cm Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] algorithme de généralisation
[Termes IGN] analyse multiéchelle
[Termes IGN] Lamps2
[Termes IGN] milieu urbain
[Termes IGN] système d'information géographique
[Vedettes matières IGN] GénéralisationRésumé : (auteur) Nowadays, many generalization algorithms exist but their management is still problematic. If algorithm design needs to be carried on, especially for contextual generalization, the amelioration of preliminary landscape description is a critical prerequisite. Better descriptions are necessary to improve the understanding of spatial organizations and thus to decide on a better orchestration of the algorithms. To improve automated analysis, we suggest that a given geographical space should no longer be described by its individual objects, but be analysed by several larger entities created by pertinent structuration processes. This paper proposes a method of spatial database interpretation to automatically define decisional entities for the generalization process. It focuses on the creation of urban information from urban topographic data. The first section reviews the requirements of automated generalization, which emphasize the lack of useful information for urban generalization. Our method to automatically derive information on urban structure is then described. Implemented on LAMPS2, an object-oriented GIS, the analysis is based on a goal-directed classification. Lastly, the results for the classification of a 8800-inhabitant-strong town are presented. The paper concludes with on-going research improvements. Numéro de notice : C2000-023 Affiliation des auteurs : COGIT+Ext (1988-2011) Thématique : GEOMATIQUE Nature : Communication nature-HAL : ComAvecCL&ActesPubliésIntl DOI : sans En ligne : https://www.isprs.org/proceedings/XXXIII/congress/part4/132_XXXIII-part4.pdf Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=102881
Titre : 3D-city models : automatic and semiautomatic acquisition methods Type de document : Article/Communication Auteurs : Wolfgang Förstner, Auteur Editeur : International Society for Photogrammetry and Remote Sensing ISPRS Année de publication : 1999 Conférence : PhoWo 1999, 47th Photogrammetric Week 20/09/1999 24/09/1999 Stuttgart Allemagne OA proceedings Importance : pp 291 - 303 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Photogrammétrie numérique
[Termes IGN] extraction automatique
[Termes IGN] extraction semi-automatique
[Termes IGN] milieu urbain
[Termes IGN] modèle numérique de surface
[Termes IGN] modélisation 3D
[Termes IGN] reconstruction 3D du bâtiRésumé : (Auteur) 3D-city models are becoming an important tool for town planning. Photogrammetry appears to provide the only economic means to acquire truly 3D city data. The paper discusses the current status of automatic and semiautomatic acquisition method. Research in automatic methods for building extraction being increasingly intensive in the last few years, has lead to promising results, however, still lacks the performance needed for practical applications. Semiautomatic acquisition methods rely on the ability of the operator to intelligently interpret and select the required information and appear to be ripe for practical implementation. Numéro de notice : C1999-035 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Communication DOI : sans En ligne : https://phowo.ifp.uni-stuttgart.de/publications/phowo99/foerstner.pdf Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=65801 Applying the theory of evidence to vector-DEM comparison for the building planimetric change detection / Olivier Jamet (1999)
contenu dans ISPRS conference on Automatic extraction of GIS objects from digital imagery, September 8 - 10, 1999, Munich, Germany / Heinrich Ebner (1999)
Titre : Applying the theory of evidence to vector-DEM comparison for the building planimetric change detection Type de document : Article/Communication Auteurs : Olivier Jamet , Auteur ; Henri Maître, Auteur ; Hervé Le Men , Auteur Editeur : International Society for Photogrammetry and Remote Sensing ISPRS Année de publication : 1999 Collection : International Archives of Photogrammetry and Remote Sensing, ISSN 0252-8231 num. 32-3-2W5 Conférence : ISPRS 1999, WG III/ 2 & 3 Workshop Automatic extraction of GIS objects from digital imagery 08/09/1999 10/09/1999 Munich Allemagne OA proceedings Importance : pp 29 - 34 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications photogrammétriques
[Termes IGN] base de données topographiques
[Termes IGN] caractérisation
[Termes IGN] détection de changement
[Termes IGN] données localisées 2D
[Termes IGN] incertitude géométrique
[Termes IGN] modèle numérique de surface
[Termes IGN] planimétrie
[Termes IGN] théorie de Dempster-ShaferRésumé : (auteur) In this paper, we present a model of the uncertainty for the comparison between a raster Digital Elevation Model (D.E.M.) and a medium scale topographic database, applied to the detection of the planimetric changes of the buildings. From the analysis of the sources of uncertainty in both data, we set up a frame for their comparison within the Dempster-Shafer theory of evidence, considered as an extension of the theory of the probabilities. The present proposals show two main advantages. First, the model allows to represent, within an homogeneous theory, various phenomena, such as the local plotting accuracy of a matching process, the matching faults, or the lacks induced by the occlusions of the scene. Secondly, it yields a numerical characterization of the changes without need for any thresholding before the change decision. The current limitations of the study are to put aside the issues raised by the vegetation, and to consider the D.E.M. samples as independent. As such, the theoretical contribution of this paper consists principally in giving a formal basis to a simple characterization, by linking it to a robust theory. A preliminary evaluation of the model gives encouraging results. Numéro de notice : C1999-005 Affiliation des auteurs : MATIS+Ext (1993-2011) Thématique : IMAGERIE Nature : Communication nature-HAL : ComAvecCL&ActesPubliésIntl DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=86144 Automatic extraction and modelling of urban buildings from high resolution aerial images / Matthieu Cord (1999)
contenu dans ISPRS conference on Automatic extraction of GIS objects from digital imagery, September 8 - 10, 1999, Munich, Germany / Heinrich Ebner (1999)
Titre : Automatic extraction and modelling of urban buildings from high resolution aerial images Type de document : Article/Communication Auteurs : Matthieu Cord, Auteur ; Michel Jordan, Auteur ; Jean-Pierre Cocquerez, Auteur ; Nicolas Paparoditis , Auteur Editeur : International Society for Photogrammetry and Remote Sensing ISPRS Année de publication : 1999 Collection : International Archives of Photogrammetry and Remote Sensing, ISSN 0252-8231 num. 32-3-2W5 Conférence : ISPRS 1999, WG III/ 2 & 3 Workshop Automatic extraction of GIS objects from digital imagery 08/09/1999 10/09/1999 Munich Allemagne OA proceedings Importance : pp 187 - 192 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications photogrammétriques
[Termes IGN] corrélation automatique de points homologues
[Termes IGN] couple stéréoscopique
[Termes IGN] détection du bâti
[Termes IGN] image à ultra haute résolution
[Termes IGN] image aérienne
[Termes IGN] modèle numérique de surface
[Termes IGN] scène urbaine
[Termes IGN] toit
[Termes IGN] vectorisationRésumé : (auteur) In this paper, a strategy is presented to automatically generate 3D building models in urban sites from high resolution (8cm per pixel) aerial stereopairs. The entire system is based on a close cooperation between 2D and 3D processings. We have adopted a hierarchical approach — global scene analysis followed by local modelling — in order to deal with complex urban scenes. Our global scene analysis exploits to the full extent the depth information: an adaptative correlation algorithm provides dense and reliable depth data, then we elaborate a global scene classification in three classes: "ground", "building" and "vegetation". The local modelling is then carried out working separately on each "building" regions. It consists in a roof boundary detection and modelling, from linear segments and 3D contours. Roof boundaries are finally vectorized, providing accurate building models. Numéro de notice : C1999-006 Affiliation des auteurs : LOEMI+Ext (1985-2011) Thématique : IMAGERIE Nature : Communication nature-HAL : ComAvecCL&ActesPubliésIntl DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=86157 International workshop ISPRS working group 2/6, 3D geospatial data production : Meeting application requirements, April 7-9, 1999, Paris, France / Olivier Jamet (1999)
Titre : International workshop ISPRS working group 2/6, 3D geospatial data production : Meeting application requirements, April 7-9, 1999, Paris, France : Working document Type de document : Actes de congrès Auteurs : Olivier Jamet , Éditeur scientifique ; Donald McKeown, Éditeur scientifique Editeur : International Society for Photogrammetry and Remote Sensing ISPRS Année de publication : 1999 Autre Editeur : Champs/Marne [France] : Société française de photogrammétrie et de télédétection SFPT Conférence : ISPRS 1999, WG 2/6 Workshop 3D geospatial data production: meeting and application requirements, Colloque Production des données géographiques 3D : vers le respect des contraintes applicatives 07/04/1999 09/04/1999 Paris France OA proceedings Importance : 231 p. Format : 21 x 30 cm Note générale : PAS DE DONNEES SUR LE SITE DE L'ISPRS Langues : Anglais (eng) Français (fre) Numéro de notice : 19907 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Actes DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=86198 ContientRéservation
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Code-barres Cote Support Localisation Section Disponibilité 19907-01 CG1999 Livre Centre de documentation Congrès Disponible ISPRS conference on Automatic extraction of GIS objects from digital imagery, September 8 - 10, 1999, Munich, Germany / Heinrich Ebner (1999)PermalinkLe respect des courbes intercalaires dans la construction d'un MNT maillé à partir des courbes de niveau / Gil Rito-Gonçalves (1999)PermalinkThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences / International society for photogrammetry and remote sensing (1980 -) (1999)PermalinkPermalinkIntegration of various types of remote sensing data for the Morava river catchment evaluation / Lena Halounova (01/09/1998)PermalinkPermalinkRemote sensing applications for change detection in the coastal region of the Nile delta, Egypt / S.I. Abdel Rahman (01/09/1998)PermalinkThe contribution of remote sensing and geographic information systems in the prediction of water rising and flooding field / Mohamed Chikh (01/09/1998)PermalinkDense, reliable and depth discontinuity preserving DEM comutation from HRV urban stereopairs / Matthieu Cord (1998)PermalinkForest fire monitoring and damage assessment in Mediterranean landscapes through the integration of remote sensing and GIS techniques / Jesus San Miguel-Ayanz (1998)Permalink