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A combinatorial data model for representing topological relations among 3D geographical features in micro-spatial environments / J. Lee in International journal of geographical information science IJGIS, vol 19 n° 10 (november 2005)
[article]
Titre : A combinatorial data model for representing topological relations among 3D geographical features in micro-spatial environments Type de document : Article/Communication Auteurs : J. Lee, Auteur ; Mei-Po Kwan, Auteur Année de publication : 2005 Article en page(s) : pp 1039 - 1056 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Bases de données localisées
[Termes IGN] analyse spatiale
[Termes IGN] approche hiérarchique
[Termes IGN] bati
[Termes IGN] homologie
[Termes IGN] modèle topologique de données
[Termes IGN] objet géographique 3D
[Termes IGN] relation topologique
[Termes IGN] requête spatiale
[Termes IGN] SIG 3D
[Termes IGN] théorie des graphes
[Termes IGN] visualisation 3DRésumé : (Auteur) This research is motivated by the need for 3D GIS data models that allow for 3D spatial query, analysis and visualization of the subunits and internal network structure of 'micro-spatial environments' (the 3D spatial structure within buildings). It explores a new way of representing the topological relationships among 3D geographical features such as buildings and their internal partitions or subunits. The 3D topological data model is called the combinatorial data model (CDM). It is a logical data model that simplifies and abstracts the complex topological relationships among 3D features through a hierarchical network structure called the node-relation structure (NRS). This logical network structure is abstracted by using the property of Poincaré duality. It is modelled and presented in the paper using graph-theoretic formalisms. The model was implemented with real data for evaluating its effectiveness for performing 3D spatial queries and visualization. Numéro de notice : A2005-498 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/INFORMATIQUE Nature : Article DOI : 10.1080/13658810500399043 En ligne : https://doi.org/10.1080/13658810500399043 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=27634
in International journal of geographical information science IJGIS > vol 19 n° 10 (november 2005) . - pp 1039 - 1056[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 079-05091 RAB Revue Centre de documentation En réserve L003 Disponible 079-05092 RAB Revue Centre de documentation En réserve L003 Disponible Time-space modelling with terrestrial Lidar: monitoring ice cliff evolution of the glacier, Italy with ILRS-3D / A. Tamburini in GIM international, vol 19 n° 11 (November 2005)
[article]
Titre : Time-space modelling with terrestrial Lidar: monitoring ice cliff evolution of the glacier, Italy with ILRS-3D Type de document : Article/Communication Auteurs : A. Tamburini, Auteur ; P. Deline, Auteur ; G. Mortara, Auteur Année de publication : 2005 Article en page(s) : pp 31 - 33 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications photogrammétriques
[Termes IGN] analyse spatio-temporelle
[Termes IGN] données lidar
[Termes IGN] géoréférencement
[Termes IGN] glacier
[Termes IGN] GPS en mode statique
[Termes IGN] Italie
[Termes IGN] modèle conceptuel de données spatio-temporelles
[Termes IGN] modèle numérique de terrain
[Termes IGN] Mont-Blanc, massif du
[Termes IGN] points homologues
[Termes IGN] réflecteur
[Termes IGN] surveillance hydrologique
[Termes IGN] Triangulated Irregular Network
[Termes IGN] visualisation 3DRésumé : (Editeur) The Miage Glacier at Mont-Blanc Massif, with an area totalling 11km2 is the third largest glacier in Italy. Time-space modelling of the lakebed and glacier walls carried out with terrestrial Lidar revealed that the ice cliff had retreated more than 45m between july 2003 and september 2004. Numéro de notice : A2005-429 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=27565
in GIM international > vol 19 n° 11 (November 2005) . - pp 31 - 33[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 061-05111 SL Revue Centre de documentation Revues en salle Disponible Exploring the hidden potential of common spatial data models to visualize uncertainty / J. Kardos in Cartography and Geographic Information Science, vol 32 n° 4 (October 2005)
[article]
Titre : Exploring the hidden potential of common spatial data models to visualize uncertainty Type de document : Article/Communication Auteurs : J. Kardos, Auteur ; Antoni B. Moore, Auteur ; G.L. Benwell, Auteur Année de publication : 2005 Article en page(s) : pp 359 - 367 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Bases de données localisées
[Termes IGN] arbre quadratique
[Termes IGN] incertitude des données
[Termes IGN] modèle conceptuel de données localisées
[Termes IGN] structure de données localisées
[Termes IGN] visualisationRésumé : (Auteur) Common Spatial Data Models (SDMs) such the vector, raster, and quadtree have well understood and widely practiced conventions of storage and visualization. This paper explores what happens when the conventions of visualization are not strictly adhered to, and the SDMs are used in an atypical fashion. A framework based on a quasi similarity measure is presented, which quantifies (in terras of "distance") the relationship between the storage format and the visualization output, following an accepted protocol. This research used a transformation process (Tp) to define this distance. Then, the atypical use of the quadtree SDM to represent choropleth spatial boundary uncertainty and attribute uncertainty was quantified using the same framework. This research shows that if a SDM is used outside of its original context, then the distance between the storage format and its visual output can alter; in our case, the distance decreased. This result was interpreted as evidence for the creation of a new spatial data structure. The formalization of the relationship between an SDM and its visual output will be valuable for future exploration of the non-conventional visualization of common SDMs. Numéro de notice : A2005-538 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/INFORMATIQUE Nature : Article DOI : 10.1559/152304005775194827 En ligne : https://doi.org/10.1559/152304005775194827 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=27674
in Cartography and Geographic Information Science > vol 32 n° 4 (October 2005) . - pp 359 - 367[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 032-05041 RAB Revue Centre de documentation En réserve L003 Disponible Fusion of hyperspectral data using segmented PCT for color representation and classification / V. Tsagaris in IEEE Transactions on geoscience and remote sensing, vol 43 n° 10 (October 2005)
[article]
Titre : Fusion of hyperspectral data using segmented PCT for color representation and classification Type de document : Article/Communication Auteurs : V. Tsagaris, Auteur ; V. Anastassopoulos, Auteur ; G.A. Lampropoulos, Auteur Année de publication : 2005 Article en page(s) : pp 2365 - 2375 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] analyse en composantes principales
[Termes IGN] classification dirigée
[Termes IGN] coefficient de corrélation
[Termes IGN] couleur à l'écran
[Termes IGN] entropie
[Termes IGN] fusion d'images
[Termes IGN] image hyperspectrale
[Termes IGN] image RVB
[Termes IGN] partitionnement
[Termes IGN] signature spectraleRésumé : (Auteur) Fusion of hyperspectral data is proposed by means of partitioning the hyperspectral bands into subgroups, prior to principal components transformation (PCT). The first principal component of each subgroup is employed for image visualization. The proposed approach is general, with the number of bands in each subgroup being application dependent. Nevertheless, the paper focuses on partitions with three subgroups suitable for RGB representation. One of them employs matched-filtering based on the spectral characteristics of various materials and is very promising for classification purposes. The information content of the hyperspectral bands as well as the quality of the obtained RGB images are quantitatively assessed using measures such as the correlation coefficient, the entropy, and the maximum energy-minimum correlation index. The classification performance of the proposed partitioning approaches is tested using the K-means algorithm. Numéro de notice : A2005-413 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1109/TGRS.2005.856104 En ligne : https://doi.org/10.1109/TGRS.2005.856104 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=27549
in IEEE Transactions on geoscience and remote sensing > vol 43 n° 10 (October 2005) . - pp 2365 - 2375[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 065-05101 RAB Revue Centre de documentation En réserve L003 Disponible Google Earth brouille les cartes / Françoise de Blomac in SIG la lettre, n° 70 (octobre 2005)
[article]
Titre : Google Earth brouille les cartes Type de document : Article/Communication Auteurs : Françoise de Blomac, Auteur Année de publication : 2005 Article en page(s) : pp 1 - 2 Langues : Français (fre) Descripteur : [Vedettes matières IGN] Géomatique web
[Termes IGN] base de données d'images
[Termes IGN] cartographie numérique
[Termes IGN] données localisées numériques
[Termes IGN] image Landsat
[Termes IGN] internet
[Termes IGN] protection civile
[Termes IGN] visualisation 3DRésumé : (Auteur) Salué par les uns, honni par les autres, Google Earth ne laisse pas indifférent. On n'a jamais autant parlé ni écrit sur l'information géographique que depuis le 28 juin dernier, date du lancement surprise du site par le moteur de recherche Google. Editeurs de données ou de logiciels, grands utilisateurs publics et militaires, tous font face à un nouvel acteur inconnu, qui a ses propres règles ! Par sa force de frappe, Google Earth serait-il en train d'imposer en quelques mois un nouveau standard ? Numéro de notice : A2005-400 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=27536
in SIG la lettre > n° 70 (octobre 2005) . - pp 1 - 2[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 286-05081 RAB Revue Centre de documentation En réserve L003 Disponible Supporting the comparison of choropleth maps using an evolutionary algorithm / N. Xiao in Cartography and Geographic Information Science, vol 32 n° 4 (October 2005)PermalinkHyper redundancy for accuracy enhancement in automated close range photogrammetry / Clive Simpson Fraser in Photogrammetric record, vol 20 n° 111 (September - November 2005)PermalinkPhotogrammétrie et archéologie sous-marine profonde : le cas de l'épave étrusque grand Ribaud F [2ème partie] / P. Drap in XYZ, n° 104 (septembre - novembre 2005)PermalinkScale-space for generalization of 3D buildings / Helmut Mayer in International journal of geographical information science IJGIS, vol 19 n° 8 - 9 (september 2005)PermalinkSIG et 3D (suite) / Anonyme in Géomatique expert, n° 45 (01/09/2005)PermalinkAutomatic 3D object recognition and reconstruction based on neuro-fuzzy modelling / F. Samadzadegan in ISPRS Journal of photogrammetry and remote sensing, vol 59 n° 5 (August - October 2005)PermalinkThe technique of distance decayed visibility for forest landscape visualization / C. Kumsap in International journal of geographical information science IJGIS, vol 19 n° 6 (july 2005)PermalinkVisualizing geospatial information uncertainty: what we know and what we need to know / Alan M. MacEachren in Cartography and Geographic Information Science, vol 32 n° 3 (July 2005)PermalinkFrom architectural photogrammetry to virtual reality: North German renaissance castles in the computer / T. Kersten in Geoinformatics, vol 8 n° 4 (01/06/2005)PermalinkGeospatial digital rights management in geovisualization / Jürgen Döllner in Cartographic journal (the), vol 42 n° 1 (June 2005)PermalinkGIS: the key to managing the mobile network / J. Baumann in GEO: Geoconnexion international, vol 4 n° 6 (juin 2005)PermalinkA layered stereo matching algorithm using segmentation and global visibility constraints / M. Bleyer in ISPRS Journal of photogrammetry and remote sensing, vol 59 n° 3 (May 2005)PermalinkVexcel ultracam D in operation: survey workflow with aerial digital camera / F. Hagman in GIM international, vol 19 n° 5 (May 2005)PermalinkCartographie sur internet : réalisation d'un atlas interactif en SVG pour le parc naturel régional de Lorraine / F. Reichert in Géomatique expert, n° 43 (01/04/2005)PermalinkColour-coded pixel-based highly interactive web mapping for georeferenced data exploration / H. Zhao in International journal of geographical information science IJGIS, vol 19 n° 4 (april 2005)PermalinkDeciding on fitness for use: evaluating the utility of sample maps as an element of geospatial metadata / Paula Ahonen-Rainio in Cartography and Geographic Information Science, vol 32 n° 2 (April 2005)PermalinkGeo-information for disaster management: large scale 3D data needed by urban areas / Sisi Zlatanova in GIM international, vol 19 n° 3 (March 2005)PermalinkTyphoon insurance pricing with spatial decision support tools / L. Li in International journal of geographical information science IJGIS, vol 19 n° 3 (march 2005)Permalink3D city models from aerial imagery: integrating images and the landscape / K. Ulm in Geoinformatics, vol 8 n° 1 (01/02/2005)Permalink3D viewing for photogrammetry / M. 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