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Evaluating the uncertainty caused by Post Office Box addresses in environmental health studies: A restricted Monte Carlo approach / X. Shi in International journal of geographical information science IJGIS, vol 21 n° 3-4 (march - april 2007)
[article]
Titre : Evaluating the uncertainty caused by Post Office Box addresses in environmental health studies: A restricted Monte Carlo approach Type de document : Article/Communication Auteurs : X. Shi, Auteur Année de publication : 2007 Article en page(s) : pp 325 - 340 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications SIG
[Termes IGN] analyse de groupement
[Termes IGN] centroïde
[Termes IGN] géocodage par adresse postale
[Termes IGN] incertitude de position
[Termes IGN] méthode de Monte-Carlo
[Termes IGN] New Hampshire (Etats-Unis)
[Termes IGN] polygone
[Termes IGN] simulationRésumé : (Auteur) A Monte Carlo approach is used to evaluate the uncertainty caused by incorporating Post Office Box (PO Box) addresses in point-cluster detection for an environmental-health study. Placing PO Box addresses at the centroids of postcode polygons in conventional geocoding can introduce significant error into a cluster analysis of the point data generated from them. In the restricted Monte Carlo method I presented in this paper, an address that cannot be matched to a precise location is assigned a random location within the smallest polygon believed to contain that address. These random locations are then combined with the locations of precisely matched addresses, and the resulting dataset is used for performing cluster analysis. After repeating this randomization-and-analysis process many times, one can use the variance in the calculated cluster evaluation statistics to estimate the uncertainty caused by the addresses that cannot be precisely matched. This method maximizes the use of the available spatial information, while also providing a quantitative estimate of the uncertainty in that utilization. The method is applied to lung-cancer data from Grafton County, New Hampshire, USA, in which the PO Box addresses account for more than half of the address dataset. The results show that less than 50% of the detected cluster area can be considered to have high certainty. Copyright Taylor & Francis Numéro de notice : A2007-114 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1080/13658810600924211 En ligne : https://doi.org/10.1080/13658810600924211 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28477
in International journal of geographical information science IJGIS > vol 21 n° 3-4 (march - april 2007) . - pp 325 - 340[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 079-07021 RAB Revue Centre de documentation En réserve L003 Disponible 079-07022 RAB Revue Centre de documentation En réserve L003 Disponible NET-DBSCAN: clustering the nodes of a dynamic linear network / Emmanuel Stefanakis in International journal of geographical information science IJGIS, vol 21 n° 3-4 (march - april 2007)
[article]
Titre : NET-DBSCAN: clustering the nodes of a dynamic linear network Type de document : Article/Communication Auteurs : Emmanuel Stefanakis, Auteur Année de publication : 2007 Article en page(s) : pp 427 - 442 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Analyse spatiale
[Termes IGN] analyse de groupement
[Termes IGN] analyse spatiale
[Termes IGN] exploration de données géographiques
[Termes IGN] graphe
[Termes IGN] Java (langage de programmation)
[Termes IGN] noeud
[Termes IGN] segmentationRésumé : (Auteur) NET-DBSCAN, a method for clustering the nodes of a linear network, whose edges may be temporarily inaccessible, is introduced. The new method extends the idea of a well-known spatial clustering method, named density-based spatial clustering of applications with noise (DBSCAN). The new algorithm is described in detail and through a series of examples. A prototype system, which implements the algorithm, developed in Java and tested through a series of synthetic networks, is also presented. Finally, the application of NET-DBSCAN method to support real-world situations is briefly discussed. Copyright Taylor & Francis Numéro de notice : A2007-119 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1080/13658810601034226 En ligne : https://doi.org/10.1080/13658810601034226 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28482
in International journal of geographical information science IJGIS > vol 21 n° 3-4 (march - april 2007) . - pp 427 - 442[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 079-07021 RAB Revue Centre de documentation En réserve L003 Disponible 079-07022 RAB Revue Centre de documentation En réserve L003 Disponible FFT-enhanced IHS transform method for fusing high-resolution satellite images / Y. Ling in ISPRS Journal of photogrammetry and remote sensing, vol 61 n° 6 (February 2007)
[article]
Titre : FFT-enhanced IHS transform method for fusing high-resolution satellite images Type de document : Article/Communication Auteurs : Y. Ling, Auteur ; Manfred Ehlers, Auteur ; et al., Auteur Année de publication : 2007 Article en page(s) : pp 381 - 392 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] analyse en composantes principales
[Termes IGN] distorsion d'image
[Termes IGN] fusion d'images
[Termes IGN] image à résolution métrique
[Termes IGN] image à résolution submétrique
[Termes IGN] image à très haute résolution
[Termes IGN] image Ikonos
[Termes IGN] image multibande
[Termes IGN] image panchromatique
[Termes IGN] image Quickbird
[Termes IGN] transformation intensité-teinte-saturation
[Termes IGN] transformation rapide de Fourier
[Termes IGN] valeur radiométriqueRésumé : (Auteur) Existing image fusion techniques such as the intensity–hue–saturation (IHS) transform and principal components analysis (PCA) methods may not be optimal for fusing the new generation commercial high-resolution satellite images such as Ikonos and QuickBird. One problem is color distortion in the fused image, which causes visual changes as well as spectral differences between the original and fused images. In this paper, a fast Fourier transform (FFT)-enhanced IHS method is developed for fusing new generation high-resolution satellite images. This method combines a standard IHS transform with FFT filtering of both the panchromatic image and the intensity component of the original multispectral image. Ikonos and QuickBird data are used to assess the FFT-enhanced IHS transform method. Experimental results indicate that the FFT-enhanced IHS transform method may improve upon the standard IHS transform and the PCA methods in preserving spectral and spatial information. Copyright ISPRS Numéro de notice : A2007-065 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.isprsjprs.2006.11.002 En ligne : https://doi.org/10.1016/j.isprsjprs.2006.11.002 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28430
in ISPRS Journal of photogrammetry and remote sensing > vol 61 n° 6 (February 2007) . - pp 381 - 392[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 081-07021 SL Revue Centre de documentation Revues en salle Disponible DEM resolution dependencies of terrain attributes across a landscape / Y. Deng in International journal of geographical information science IJGIS, vol 21 n° 1-2 (january 2007)
[article]
Titre : DEM resolution dependencies of terrain attributes across a landscape Type de document : Article/Communication Auteurs : Y. Deng, Auteur ; B.O. Bauers, Auteur ; J.P. Wilson, Auteur Année de publication : 2007 Article en page(s) : pp 187 - 213 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image
[Termes IGN] analyse de groupement
[Termes IGN] attribut géomètrique
[Termes IGN] classification non dirigée
[Termes IGN] corrélation
[Termes IGN] échantillonnage d'image
[Termes IGN] limite de résolution géométrique
[Termes IGN] modèle numérique de surface
[Termes IGN] régression
[Termes IGN] reliefRésumé : (Auteur) This paper documents resolution dependencies in terrain analysis and describes how they vary across landform location. Six terrain attributes were evaluated as a function of DEM resolution—slope, plan curvature, profile curvature, north–south slope orientation, east–west slope orientation, and topographic wetness index. The research highlights the effect of varying spatial resolution through a spatial sampling/resampling scheme while maintaining sets of indexed sample points at various resolutions. Tested sample points therefore coincide exactly between two directly compared resolutions in terms of their location and elevation value. An unsupervised landform classification procedure based on statistical clustering algorithms was employed to define landform classes in a reproducible manner. Correlation and regression analyses identified sensitive and consistent responses for each attribute as resolution was changed, although the tested terrain attributes responded in characteristically different ways. These responses displayed distinguishable patterns among various landform classes, a conclusion that was further verified by a series of two-sample, two-tailed t-tests. Copyright Taylor & Francis Numéro de notice : A2007-032 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.1080/13658810600894364 En ligne : https://doi.org/10.1080/13658810600894364 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28398
in International journal of geographical information science IJGIS > vol 21 n° 1-2 (january 2007) . - pp 187 - 213[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 079-07011 RAB Revue Centre de documentation En réserve L003 Disponible 079-07012 RAB Revue Centre de documentation En réserve L003 Disponible EGC'07, 7èmes journées francophones Extraction et gestion des connaissances, 23 - 26 janvier 2007, Namur, Belgique / Jérôme Euzenat (2007)
Titre : EGC'07, 7èmes journées francophones Extraction et gestion des connaissances, 23 - 26 janvier 2007, Namur, Belgique : Atelier Passage à l'échelle des techniques de découverte de correspondances Type de document : Actes de congrès Auteurs : Jérôme Euzenat, Éditeur scientifique ; Jean-marc Petit, Éditeur scientifique ; Marie-Christine Rousset, Éditeur scientifique Editeur : Namur [France] : Facultés Universitaires Notre Dame de la Paix Année de publication : 2007 Conférence : EGC 2007, 7es journées Extraction et Gestion des Connaissances 23/01/2007 26/01/2007 Namur Belgique Importance : 82 p. Format : 21 x 30 cm Langues : Français (fre) Anglais (eng) Descripteur : [Vedettes matières IGN] Informatique
[Termes IGN] analyse des correspondances
[Termes IGN] base de données
[Termes IGN] langage de programmation
[Termes IGN] mise à l'échelle
[Termes IGN] modèle conceptuel de données
[Termes IGN] ontologie
[Termes IGN] schéma conceptuel de données
[Termes IGN] web sémantique
[Termes IGN] XML schemaIndex. décimale : CG2007 Actes de congrès en 2007 Numéro de notice : 24782 Affiliation des auteurs : non IGN Thématique : INFORMATIQUE Nature : Actes nature-HAL : DirectOuvrColl/Actes DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=92550 ContientRéservation
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Code-barres Cote Support Localisation Section Disponibilité 24782-01 CG2007 Livre Centre de documentation Congrès Disponible 24782-02 CG2007 Livre Centre de documentation Congrès Disponible ERS-2 SAR and IRS-1C LISS III data fusion: a PCA approach to improve remote sensing based geological interpretation / T.J. Majumdar in ISPRS Journal of photogrammetry and remote sensing, vol 61 n° 5 (January 2007)PermalinkEtude sur la généralisation automatique des carrefours routiers complexes / Jérémy Renard (2007)PermalinkPermalinkMetric details of topological line-line relations / K.A. Nedas in International journal of geographical information science IJGIS, vol 21 n° 1-2 (january 2007)PermalinkFast cluster polygonization and its applications in data-rich environments / I. Lee in Geoinformatica, vol 10 n° 4 (December 2006)PermalinkAgent-based modelling of shifting cultivation field patterns, Vietnam / M.R. 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Mccloy (2006)PermalinkApplication of multiple endmember spectral mixture analysis (MESMA) to AVIRIS imagery for coastal salt marsh mapping: a case study in China Camp, CA, USA / L. Li in International Journal of Remote Sensing IJRS, vol 26 n° 23 (December 2005)PermalinkReconstructing spatiotemporal trajectories from sparse data / P. Partsinevelos in ISPRS Journal of photogrammetry and remote sensing, vol 60 n° 1 (December 2005 - March 2006)PermalinkUtilisation des signatures de texture d'ordre elevé pour une meilleure discrimination des classes d'occupation du sol sur une image radar à synthese d'ouverture / E. Tonye in Revue Française de Photogrammétrie et de Télédétection, n° 179 (Décembre 2005)PermalinkClassifying and mapping wildfire severity: a comparison of methods / C.K. Brewer in Photogrammetric Engineering & Remote Sensing, PERS, vol 71 n° 11 (November 2005)PermalinkFusion of hyperspectral data using segmented PCT for color representation and classification / V. 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Estivill-Castro in ISPRS Journal of photogrammetry and remote sensing, vol 59 n° 1-2 (August 2004 - April 2005)PermalinkModelling fuzzy topological relations between uncertain objects in a GIS / Wei Shi in Photogrammetric Engineering & Remote Sensing, PERS, vol 70 n° 8 (August 2004)PermalinkA land cover classification product over France at 1 km resolution using Spot4-Vegetation data / K.S. Han in Remote sensing of environment, vol 92 n° 1 (15 July 2004)PermalinkMapping vegetation in a heterogeneous mountain rangeland using Landsat data: an alternative method to define and classify land-cover units / A.M. Cingolani in Remote sensing of environment, vol 92 n° 1 (15 July 2004)PermalinkChange detection techniques / Dong Lu in International Journal of Remote Sensing IJRS, vol 25 n° 12 (June 2004)PermalinkAnalysis of four change detection algorithms in bi-temporal space with a case study / Y. Liu in International Journal of Remote Sensing IJRS, vol 25 n° 11 (June 2004)PermalinkFusion on multispectral and panchromatic images using improved IHS and PCA mergers based on wavelet decomposition / M. Gonzalez-Audicana in IEEE Transactions on geoscience and remote sensing, vol 42 n° 6 (June 2004)PermalinkWavelet transform applied to EO-1 hyperspectral data for forest LAI and crown closure mapping / R. Pu in Remote sensing of environment, vol 91 n° 2 (30/05/2004)PermalinkNonparametric weighted feature extraction for classification / D.A. Landgrebe in IEEE Transactions on geoscience and remote sensing, vol 42 n° 5 (May 2004)PermalinkMapping residential density patterns using multi- temporal Landsat data and decision-tree classifier / S. Mccauley in International Journal of Remote Sensing IJRS, vol 25 n° 6 (March 2004)PermalinkAssessing the potential of space-borne C-band SAR data for spatial soil moisture information over a large area / S.A. 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Wade in Photogrammetric Engineering & Remote Sensing, PERS, vol 69 n° 12 (December 2003)PermalinkSpectral reflectance characterization of shallow lakes from the Brazilian pantanal wetlands with field and airborne hyperspectral data / L.S. Galvao in International Journal of Remote Sensing IJRS, vol 24 n° 21 (November 2003)PermalinkVers une intégration des techniques spatiales pour la gestion des inondations / Jean-Baptiste Henry in Bulletin [Société Française de Photogrammétrie et Télédétection], n° 172 (Octobre 2003)PermalinkHyperspectral texture recognition using a multiscale opponent representation / M. Shi in IEEE Transactions on geoscience and remote sensing, vol 41 n° 5 (May 2003)PermalinkA comparative analysis of scanned maps and imagery for mapping applications / Costas Armenakis in ISPRS Journal of photogrammetry and remote sensing, vol 57 n° 5-6 (April - May 2003)PermalinkPrincipal-components-based display strategy for spectral imagery / J.S. 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Chang in IEEE Transactions on geoscience and remote sensing, vol 40 n° 6 (June 2002)PermalinkÉtude par télédétection aéroportée d’un environnement lagunaire en zone tropicale : cas de la lagune Ébrié en Côte d’Ivoire / Éric Valère Djagoua in Télédétection : revue de recherche et d'application en télédétection, vol 2 n° 4 ([01/06/2002])PermalinkLarge-area land-cover mapping through scene-based classification compositing / B. Guindon in Photogrammetric Engineering & Remote Sensing, PERS, vol 68 n° 6 (June 2002)PermalinkPrincipal component analysis for hyperspectral image classification / C. Rodarmel in Surveying and land information systems, vol 62 n° 2 (01/06/2002)PermalinkUrban simulation using principal components analysis and cellular automata for land-use planning / X. Li in Photogrammetric Engineering & Remote Sensing, PERS, vol 68 n° 4 (April 2002)PermalinkDetection of areas associated with flood and erosion caused by a heavy rainfall using multitemporal Landsat TM data / A.S. Dhakal in Photogrammetric Engineering & Remote Sensing, PERS, vol 68 n° 3 (March 2002)PermalinkL'analyse des données / J.M. Bouroche (2002)PermalinkA synergic automatic clustering technique (syneract) for multispectral image analysis / K.Y. Huang in Photogrammetric Engineering & Remote Sensing, PERS, vol 68 n° 1 (January 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)PermalinkDetection of urban structures in SAR images by robust fuzzy clustering algorithms: the example of street tracking / F. Dell'acqua in IEEE Transactions on geoscience and remote sensing, vol 39 n° 10 (October 2001)PermalinkClustering to improve matched filter detection of weak gas plumes in hyperspectral thermal imagery / C.C. Funk in IEEE Transactions on geoscience and remote sensing, vol 39 n° 7 (July 2001)PermalinkKnowledge-based multivariate GIS application in environmental modeling / R.S. Ofren in Geocarto international, vol 16 n° 1 (March - May 2001)PermalinkApport de l'imagerie satellite dans la réalisation des plans d'aménagement forestier / Nicolas Bellaiche (2001)PermalinkParticipation à l'analyse des séries temporelles du système international de référence terrestre ITRS / G. Moujally (2001)PermalinkAnalyse du potentiel des images radar pour la cartographie et la mise à jour de cartes en Guinée-Conakry / Cédric Parent (2000)PermalinkDéconvolution des signatures spectrales de séries d'images satellitales / Sonia Zine (2000)PermalinkInitiation à l'analyse des données / Jean de Lagarde (2000)Permalink