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Titre : Automatische Extraktion von Bäumen aus Fernerkundungsdaten Titre original : [Extraction automatique des arbres à partir des données de télédétection] Type de document : Thèse/HDR Auteurs : B.M. Straub, Auteur Editeur : Munich : Bayerische Akademie der Wissenschaften Année de publication : 2003 Collection : DGK - C Sous-collection : Dissertationen num. 572 Importance : 97 p. Format : 21 x 30 cm ISBN/ISSN/EAN : 978-3-7696-5011-2 Note générale : Bibliographie Langues : Allemand (ger) Descripteur : [Vedettes matières IGN] Traitement d'image
[Termes IGN] arbre (flore)
[Termes IGN] classification floue
[Termes IGN] extraction automatique
[Termes IGN] objet géographique zonal
[Termes IGN] photo-interprétation assistée par ordinateur
[Termes IGN] reconnaissance de formes
[Termes IGN] segmentation d'imageIndex. décimale : 35.20 Traitement d'image Résumé : (Auteur) A new approach for automatic extraction of trees from remote sensing data - aerial imagery and surface models - is introduced in this thesis. A detailed description of the most important considerations, leading to the development of the approach, is given: for the model of an individual tree, which is the base of the approach and for the strategy for low-level feature extraction and generation of hypotheses. In addition to that, the extraction of individual trees is discussed in relation to other topographic objects. The aim of this discussion is showing possibilities for the integration of the approach for trees into a system for automatic interpretation of remote sensing data. Here, extraction should be understood as the cognitive recognition of objects and their identification and reconstruction. The process of object extraction from images and/or surface models generally depends on an object model as well as a strategy for extraction of image features, their combination, and their relation to the model. A generic geometric model of a tree is used which basically consists of a function describing the tree top. Based on this model features are identified, which are used to recognise single trees from the image data. The basic idea for this strategy consists of two steps. At first, the often very complex fine structures are removed from the surface model by using various scale levels in linear scale space. As a result of scale-space transformation the tree top can be identified in the surface model based on the coarse structure. Here, the main problem is, that on the one hand the diameter of a single tree continuously varies in reality, but also strongly influences the choice of filter parameters. To overcome this difficulty, the image data was examined at different scale levels of linear scale-space. The extraction of the trees is performed using an algorithm: Firstly, segmentation of each scale-level with the watershed transformation is carried out. The resulting segments, which are potential candidates for tree tops, are evaluated with the help of fuzzy functions and based on the resulting membership values hypotheses are generated. The last step is the reconstruction of the crown's outline using a snake-algorithm. The procedure, developed for the extraction of trees from images and surface models in the context of this thesis, is applied in various small test areas. The positive as well as the negative results of these projects are presented, and the problems are discussed based on subsets of the test areas. An evaluation of the approach, and proposals for further development and research are given at the end of the thesis. Numéro de notice : 13202 Affiliation des auteurs : non IGN Thématique : FORET/IMAGERIE Nature : Thèse étrangère DOI : sans En ligne : https://dgk.badw.de/fileadmin/user_upload/Files/DGK/docs/c-572.pdf Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=54912 Exemplaires(2)
Code-barres Cote Support Localisation Section Disponibilité 13202-01 35.20 Livre Centre de documentation Télédétection Disponible 13202-02 35.20 Livre Centre de documentation Télédétection Disponible Geoinformation / Gottfried Konecny (2003)
Titre : Geoinformation : Remote sensing, photogrammetry and geographic information systems Type de document : Monographie Auteurs : Gottfried Konecny, Auteur Editeur : Londres : Taylor & Francis Année de publication : 2003 Importance : 248 p. Format : 15 x 24 cm ISBN/ISSN/EAN : 978-0-415-23795-6 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique
[Termes IGN] base de données vectorielles
[Termes IGN] capteur imageur
[Termes IGN] cartographie numérique
[Termes IGN] coût
[Termes IGN] données maillées
[Termes IGN] information géographique numérique
[Termes IGN] photo-interprétation
[Termes IGN] photogrammétrie numérique
[Termes IGN] plateforme
[Termes IGN] rayonnement électromagnétique
[Termes IGN] restitution 3D
[Termes IGN] système d'information géographique
[Termes IGN] système de positionnement par satellites
[Termes IGN] traitement d'imageRésumé : (Editeur) Surveying and mapping have recently undergone a transition from disci pli ne-oriented technologies, such as geodesy, surveying, photogrammetry and cartography, into the methodology-oriented, integrated discipline of geoinformatics. This is based on GPS positioning, remote sensing, digital photography for data acquisition and GIS for data manipulation and data output. Gottfried Konecny attempts to present the required basic background for remote sensing, digital photogrammetry and GIS in the new geoinformatics concept in which the different methodologies must be combined. For remote sensing, the basic fundamentals are the properties of electromagnetic radiation and their interaction with matter. This radiation is received by sensors and platforms in analogue or digital form, and is subject to image processing. In photogrammetry, the stereo-concept is used for the location of information in 3D. With the advent of high-resolution satellite systems in stereo the theory of analytical photogrammetry restituting 2D image information into 3D is of increasing importance, merging the remote sensing approach with that of photogrammetry. The result of the restitution is a direct input into geographic information systems in vector or in raster form. The fundamentals of these are described in detail, with an emphasis on global, regional and local applications. In the context of data integration, a short introduction to the GPS satellite positioning system is provided. Note de contenu : 1 INTRODUCTION
- Surveying and mapping in transition to geoinformation - Photogrammetry - The current status of mapping in the world
- Integration of geoinformation technologies
2 REMOTE SENSING
- Electromagnetic radiation - Energy-matter interaction - Sensor components - Imaging sensors - Platforms - Image interpretation - Image processing - Remote sensing applications
3 PHOTOGRAMMETRY
- Evolution of photogrammetry - Principles of analytical and digital pbotogrammetry - Digital photogrammetric operations
4 GEOGRAPHIC INFORMATION SYSTEMS
- Introduction - Hardware components - Software components - Vector systems - Raster systems - Databases - GIS systems - GIS and the Internet - GIS applications
5 POSITIONING SYSTEMS
- The Global positioning System (GPS) - GSM owbile phone location
6 COST CONSIDERATIONS
- Costs of aerial photography, orthophotography and topographic line mapping - GPS-supported ground surveys
- Digital elevation models Aerial triangulation versus direct sensor orientation Mapping from space
7 TECHNOLOGICAL CHANGESNuméro de notice : 18845 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Monographie Accessibilité hors numérique : Accessible via le SUDOC (sur demande au cdos) Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=55487 Semantic processing of spatial data, GEOPRO 2003, Mexico, November 2003 / S. Levachkine (2003)
Titre : Semantic processing of spatial data, GEOPRO 2003, Mexico, November 2003 : Proceedings Type de document : Actes de congrès Auteurs : S. Levachkine, Éditeur scientifique ; J. Serra, Éditeur scientifique ; Max J. Egenhofer, Éditeur scientifique Editeur : Mexico : Instituto Politecnico Nacional Année de publication : 2003 Collection : Research on Computing Science Conférence : GeoPro 2003, international workshop on Semantic processing of spatial data 04/11/2003 05/11/2003 Mexico Mexique Importance : 254 p. Format : 21 x 27 cm ISBN/ISSN/EAN : 978-970-36-0103-5 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Bases de données localisées
[Termes IGN] données maillées
[Termes IGN] données vectorielles
[Termes IGN] généralisation cartographique automatisée
[Termes IGN] hétérogénéité sémantique
[Termes IGN] interopérabilité sémantique
[Termes IGN] logiciel SIG
[Termes IGN] photo-interprétation assistée par ordinateur
[Termes IGN] référentiel sémantiqueNote de contenu : 1. RASTER-TO-VECTOR CONVERSION
- V. Alexandrov and S. Levachkine, "Cognitive promptings for semanticmind analysis and objectoriented data integration of information flows"
- S. Levachkine and V. Alexandrov, "Semanticmind analysis and objectoriented data integration of visual information: A primer"
- S. Levachkine, "System approach to R2V conversion for analytical GIS"
- A. Velizquez and S. Levachkine, "Text/Graphics separation in rasterscanned color cartographic maps"
- A. Gelbukh, SangYong Han, and S. Levachkine, "Using sources of evidence to resolve ambiguities in toponym recognition in cartographic maps"
- E. M. Felipe Riveron and M. E. Ramos Garcia, "Enhancement of digital color halftone printed images"
- J. Angulo and J. Serra, "Mathematical morphology in color spaces applied to the analysis of cartographic images"
- E. Bodansky, "System approach to a R2V conversion: From research to commercial system"
2. AUTOMATIC MAP GENERALIZATION
- A. Ruas, "Spatial analysis and agent principles to automate generalization process"
- D. Lee, "Generalization within a geoprocessing framework"
- T. Cheng and Zhifin Li, "Measures for semantic quality after polygon generalization"
- M. A. Moreno lbarra and S. Levachkine, "Automated digital map description for generalization"
3. AUTOMATIC GEOIMAGE INTERPRETATION
- U. Benz, P. Hofinann, G. Willhauck, I. Lingenfelder, and M. Heynen, "Multiresolution, objectoriented fuzzy analysis of remote sensing data to GIS ready information"
- O. Pogrebnyak and P. Manrique Ramirez, "Image filter for efficient impulse noise removal and fine detail preservation"
- J. Ren, Y. Shen, and L. Guo, "A novel image retrieval"
- SooHyun Cho, YunKoo Chung, and JaeYeon Lee, "Mosaicing system with strong of robustness in camera motion"
- R. Quintero Telfez, "Increasing resolution of Digital Elevation Models using bicubic parametric patches"
4. INTELLIGENT GIS TOOLS
- S. Mustière, N. Gesbert, and D. Sheeren, "A formal model for the specifications of geographic databases"
- S. Balley, "Assisting users in selecting and restructuring data sets"
- M. J. Torres Ruiz and S. Levachkine, "Generating spatial ontologies based on the spatial semantics"
- C. Granell Canut, J. Poveda, and M. Gould, "Incremental weak composition and invocation of geographic web services"
- J. Poveda and M. Gould, "Multidimensional binary indexing for neighbourhood calculations in spatial partition trees"
- J. Feng, N. Mukai, and T. Watanabe, "Multilevel transportation network adaptable to traffic navigation"
- Lau Bee Theng and Wang Yin Chai, "Sketch spatial query representation model"
- M. Pech, D. Sol Martinez, and J. Gonzilez, "Adaptation and use of spatial and nonspatial data mining"
- C. Zepeda Cortés and D. Sol Martinez, "An implementation of spatiotemporal annotated constraint logic programming (STACU)"
- A. F. Razo Rodriguez and D. Sol Martinez, "GISELA: a webbased interface for risk management GIS using XW'
- A. Guevara, "The spatial enabling of information paradigm"
5. GIS APPLICATIONS
- A. M. Felicisimo and J. Mufloz, "Dispersed by Wind Project: A Motion Analysis over Wind Fields"
- E. Ortiz, E. Ramirez, A. Rodriguez, E. Villaseflor, and J.M. Herrera, "Using GIS to assess spatial distribution of Mexico City emissions inventory"Numéro de notice : 13175 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/INFORMATIQUE Nature : Actes Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=34625 ContientExemplaires(2)
Code-barres Cote Support Localisation Section Disponibilité 13175-01 CG2003 Livre Centre de documentation Congrès Disponible 13175-02 CG2003 Livre Centre de documentation Congrès Exclu du prêt Classification of GIS-objects for change detection / Volker Walter in GIS Geo-Informations-Systeme, vol 2002 n° 12 (Dezember 2002)
[article]
Titre : Classification of GIS-objects for change detection Type de document : Article/Communication Auteurs : Volker Walter, Auteur Année de publication : 2002 Article en page(s) : pp 23 - 28 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image
[Termes IGN] analyse texturale
[Termes IGN] base de données localisées
[Termes IGN] classification dirigée
[Termes IGN] classification orientée objet
[Termes IGN] détection de changement
[Termes IGN] mise à jour de base de données
[Termes IGN] objet géographique zonal
[Termes IGN] photo-interprétation assistée par ordinateur
[Termes IGN] pixel
[Termes IGN] système d'information géographiqueRésumé : (Auteur) In this paper, an approach is introduced that classifies not only single pixels but group of pixels which represent already existing object geometry's in a GIS database. This object structured classification result is then compared with the existing GIS objects and all objects are marked where the result of the classification is not the same as the object class of the object which is stored in the GIS database. The result is not only a change detection but also a classification into the most likely class. Numéro de notice : A2002-306 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22217
in GIS Geo-Informations-Systeme > vol 2002 n° 12 (Dezember 2002) . - pp 23 - 28[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 058-02121 RAB Revue Centre de documentation En réserve L003 Disponible Scale and orientation-invariant scene similarity metrics for image queries / A. Stefanidis in International journal of geographical information science IJGIS, vol 16 n° 8 (december 2002)
[article]
Titre : Scale and orientation-invariant scene similarity metrics for image queries Type de document : Article/Communication Auteurs : A. Stefanidis, Auteur ; Peggy Agouris, Auteur ; C. Georgiadis, Auteur ; Michela Bertolotto, Auteur ; James D. Carswell, Auteur Année de publication : 2002 Article en page(s) : pp 749 - 772 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image
[Termes IGN] analyse numérique
[Termes IGN] ligne de base
[Termes IGN] photo-interprétation assistée par ordinateur
[Termes IGN] rectangle englobant minimum
[Termes IGN] relation topologique
[Termes IGN] requête (informatique)
[Termes IGN] similitude
[Termes IGN] variation d'échelleRésumé : (Auteur) In this paper, we extend our previous work on shapebased queries to support queries on configurations of image objects. Here we consider spatial reasoning, especially directional and metric object relationships. Existing models for spatial reasoning tend to rely on pre-identified cardinal directions and minimal scale variations, assumptions that cannot be considered as given in our image applications, where orientations and scale may vary substantially, and are often unknown. Accordingly, we have developed the method of varying baselines to identify similarities in direction and distance relations. Our method allows us to evaluate directional similarities without a priori knowledge of cardinal directions, and to compare distance relations even when query scene and database content differ in scale by unknown amounts. We use our method to evaluate similarity between a userdefined query scene and object configurations. Here we present this new method, and discuss its role within a broader image retrieval framework. Numéro de notice : A2002-258 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.1080/13658810210148552 En ligne : https://doi.org/10.1080/13658810210148552 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22169
in International journal of geographical information science IJGIS > vol 16 n° 8 (december 2002) . - pp 749 - 772[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 079-02081 RAB Revue Centre de documentation En réserve L003 Disponible Photogrammetric and GIS techniques for the development of vegetation databases of mountainous areas: Great smoky mountains national Park / R. Welch in ISPRS Journal of photogrammetry and remote sensing, vol 57 n° 1-2 (November - December 2002)PermalinkMapping land use classes the Corine Land Cover map of the Great Britain / N. Brown in Cartographic journal (the), vol 39 n° 1 (June 2002)PermalinkSpatial and temporal analysis of a tidal floodplain landscape-Amapá, Brazil-using geographic information systems and remote sensing / V.F.G. Pereira in Photogrammetric Engineering & Remote Sensing, PERS, vol 68 n° 5 (Mai 2002)PermalinkImagerie spatiale et aménagements forestiers au Gabon / Marcellin Nziengui in Bulletin [Société Française de Photogrammétrie et Télédétection], n° 167 (Avril 2002)PermalinkCartographie participative à très haute résolution : utilisation d'une image Ikonos dans un projet de développement communal en Haïti / J. Imbernon in Revue internationale de géomatique, vol 12 n° 1 (mars - mai 2002)PermalinkThe use of Landsat derived multi-temporal NDVI to assess the impact of the construction of the central Pilbara railway on vegetation conditions, Karijini / J. Wilson in Geocarto international, vol 17 n° 1 (March - May 2002)PermalinkThe utility of very high spatial resolution images to identify urban objects / Anne Puissant in Geocarto international, vol 17 n° 1 (March - May 2002)PermalinkDéveloppement et mise en application d'une interface de PIAO de la végétation du lit de la Loire et de l'Allier / S. Ancel (2002)PermalinkUse of knowledge based systems for the detection and monitoring of unplanned developments / Faith Njoki Karanja (2002)PermalinkApport d’un SIG nomade pour cartographier la végétation naturelle de l’île de la Réunion / Henri Durand in XYZ, n° 89 (décembre 2001 - février 2002)PermalinkA robust texture analysis and classification approach for urban land-use and land-cover feature discrimination / S.W. Myint in Geocarto international, vol 16 n° 4 (December 2001 - February 2002)PermalinkApport de l'imagerie satellitaire optique et radar à la gestion de l'eau et de l'environnement en zone alluviale : étude de la plaine de la Garonne entre Toulouse et St Nicolas de la Grave (France) / Jérôme Soubirane in Bulletin [Société Française de Photogrammétrie et Télédétection], n° 162 (Avril 2001)PermalinkA neural network image interpretation system to extract rural and urban land use and land cover information from remote sensor data / J.R. Jensen in Geocarto international, vol 16 n° 1 (March - May 2001)PermalinkCartographie des milieux naturels et paysages géomorphologiques : utilisation de photographies aériennes / K.Y. Bertin in Bulletin [Société Française de Photogrammétrie et Télédétection], n° 161 (Janvier 2001)PermalinkORASIS 2001, Congrès francophone de vision par ordinateur, Cahors, 5 - 8 juin 2001 / Institut de recherche en informatique de Toulouse (2001)PermalinkProblèmes posés par la mise à jour de la cartographie marine en zone tropicale humide à partir de données radar à synthèse d'ouverture : exemple en Guyane française et au Cameroun / H. Trebossen in Bulletin [Société Française de Photogrammétrie et Télédétection], n° 161 (Janvier 2001)PermalinkRemote sensing of urban areas / Carsten Jürgens (2001)PermalinkUne discipline injustement négligée : la photo-interprétation stéréoscopique / Jean Hurault in Bulletin [Société Française de Photogrammétrie et Télédétection], n° 160 (Octobre 2000)PermalinkApproche méthodologique pour l'analyse de l'évolution des littoraux sableux par photo-interprétation : exemple des plages situées entre les embouchures de l'Aude et de l'Hérault (Languedoc, France) / Paul Durand in Photo interprétation, vol 38 n° 1-2 (Mars 2000)PermalinkUtilisation de la photographie aérienne et de l'imagerie satellitaire pour la cartographie de l'évolution du couvert ligneux dans le Nord-Cameroun / J.L. Yengue in Photo interprétation, vol 38 n° 1-2 (Mars 2000)Permalink