Photogrammetric Engineering & Remote Sensing, PERS / American society for photogrammetry and remote sensing . vol 70 n° 2Mention de date : February 2004 Paru le : 01/02/2004 ISBN/ISSN/EAN : 0099-1112 |
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Ajouter le résultat dans votre panierSome requirements for geographic information systems: a photogrammetric point of view / Christian Heipke in Photogrammetric Engineering & Remote Sensing, PERS, vol 70 n° 2 (February 2004)
[article]
Titre : Some requirements for geographic information systems: a photogrammetric point of view Type de document : Article/Communication Auteurs : Christian Heipke, Auteur Année de publication : 2004 Article en page(s) : pp 185 - 195 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Information géographique
[Termes IGN] acquisition de données
[Termes IGN] base de données localisées
[Termes IGN] mise à jour de base de données
[Termes IGN] photogrammétrie numérique
[Termes IGN] système d'information géographiqueRésumé : (Auteur) Some requirements which an ideal geographic information system (GIS) must meet to cope with the challenge of the future are described . We look at data modeling, the integration of geographic information science and photogrammetry, update and refinement of a geospatial datbase, and data integration. We claim that data modeling needs to be carried out in 3D based on a topologic data structure with the possibility for incorporating change. Photogrammetric operations such as the generation of digital terrain models or the manual and automatic acquisition of vector data from imagery should be considered as modules of future GIS, which should also have efficient mechanisms for incremental updating and versioning. Finally, the integration of all types of data should be possible, e.g., various vector data sets as well as DTMs and images. We illustrate the requirements with the help of three examples, one describing data acquisition and modeling in an interdisciplinary project, one dealing with quality control and update using imagery, and the last one presenting an algorithm for the integration of a 2D data set and DTM. This paper discusses GIS from a photogrammetric point of view with an emphasis on imaging and data acquisition. While we believe that the discussed requirements are vital for the development of GIS, we are aware of the fact that other issues such as data infrastruture, and web mapping, only briefly mentioned or not discussed at all in this paper, are similar importance for the field. Numéro de notice : A2004-066 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.14358/PERS.70.2.185 En ligne : https://doi.org/10.14358/PERS.70.2.185 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=26594
in Photogrammetric Engineering & Remote Sensing, PERS > vol 70 n° 2 (February 2004) . - pp 185 - 195[article]From mobile mapping to telegeoinformatics: paradigm shift in geospatial data acquisition, processing, and management / Dorota A. Grejner-Brzezinska in Photogrammetric Engineering & Remote Sensing, PERS, vol 70 n° 2 (February 2004)
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Titre : From mobile mapping to telegeoinformatics: paradigm shift in geospatial data acquisition, processing, and management Type de document : Article/Communication Auteurs : Dorota A. Grejner-Brzezinska, Auteur ; R. Li, Auteur ; et al., Auteur Année de publication : 2004 Article en page(s) : pp 197 - 210 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Information géographique
[Termes IGN] capteur imageur
[Termes IGN] capteur multibande
[Termes IGN] chambre DTC
[Termes IGN] données lidar
[Termes IGN] géoréférencement direct
[Termes IGN] GPS-INS
[Termes IGN] image multibande
[Termes IGN] modèle 3D de l'espace urbain
[Termes IGN] reconnaissance automatique
[Termes IGN] reconnaissance d'objets
[Termes IGN] SIG nomade
[Termes IGN] système de numérisation mobile
[Termes IGN] télécommunication sans fil
[Termes IGN] télémétrie laser aéroporté
[Termes IGN] télémétrie laser terrestre
[Termes IGN] temps réelRésumé : (Auteur) Technological advances in positioning and imaging sensors, combined with the explosion in wireless mobile communication systems that occurred during the lost decade of the twentieth century, practically redefined and substantially extended the concept of mobile mapping. The advent of the first mobile mapping systems (MMS) in the early 1990s initiated the process of establishing modern, virtually ground-control-free photogrammetry and digital mapping. By the end of the last decade, mobile mapping technology had made remarkable progress, evolving from rather simple land-based systems to more sophisticated, real-time multitasking and multisensor systems, operational in land and airborne environments. New specialized systems, based on modern imaging sensors, such as CCD (charge-coupled device) cameras, lidar (Light Detection and Ranging) and hyperspectral/multispectral scanners, are being developed, aimed at automatic data acquisition for geoinformatics, thematic mapping, land classification, terrain modeling, emergency response, homeland security, etc. This paper provides an overview of the mobile mapping concept, with a special emphasis on the MMS paradigm shift from the post-mission to near-real-time systems that occurred in the past few years. A short review of the direct georeferencing concept is given, and the major techniques (sensors) used for platform georegistration, as well as the primary radiolocation techniques based on wireless networks, are presented. An overview of the major imaging sensors and the importance of multisensor system calibration are also provided. Future perspectives of mobile mapping and its extension towards telegeoinformatics are also discussed. Some examples of mobile geospatial technology used in automatic object recognition, real-time highway centerline mapping, thematic mapping, and city modeling with lidar and multispectral imagery are included. Copyright ASPRS Numéro de notice : A2004-067 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.14358/PERS.70.2.197 En ligne : http://dx.doi.org/10.14358/PERS.70.2.197 Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=26595
in Photogrammetric Engineering & Remote Sensing, PERS > vol 70 n° 2 (February 2004) . - pp 197 - 210[article]System integration of GIS and a rule-based expert system for urban mapping / J. Choi in Photogrammetric Engineering & Remote Sensing, PERS, vol 70 n° 2 (February 2004)
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Titre : System integration of GIS and a rule-based expert system for urban mapping Type de document : Article/Communication Auteurs : J. Choi, Auteur ; E. Lynn Usery, Auteur Année de publication : 2004 Article en page(s) : pp 217 - 224 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Systèmes d'information géographique
[Termes IGN] carte interactive
[Termes IGN] cartographie urbaine
[Termes IGN] intégration de données
[Termes IGN] intelligence artificielle
[Termes IGN] système d'information géographique
[Termes IGN] système expert
[Termes IGN] traitement interactifRésumé : (Auteur) A rule-based expert system has been the most common artificial intelligence (AI) technique for system integration with geographic information systems (GIS) because of its simple rule structure. In this paper, a rule-based expert system is presented that uses an interactive question-and-answer sequence integrated with GIS for spatial data mapping. The integrated system consists of three main parts: expert, user and map. Rules can be constructed easily in the expert part using English. Users can derive a solution to a specific problem from the rules in the user part through the interactive question-and-answer sequence. The solution can then be mapped directly in the GiS (map) part. This system is applied to the interactive interpretation and mapping of aerial photographs for an urban area. The land-uselland-cover map results in 93.44 percent overall accuracy with a kappa index of 0.9288. Numéro de notice : A2004-068 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/INFORMATIQUE Nature : Article DOI : 10.14358/PERS.70.2.217 En ligne : https://doi.org/10.14358/PERS.70.2.217 Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=26596
in Photogrammetric Engineering & Remote Sensing, PERS > vol 70 n° 2 (February 2004) . - pp 217 - 224[article]