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Evaluating terrestrial laser scanners / Derek D. Lichti in GIM international, vol 16 n° 12 (December 2002)
[article]
Titre : Evaluating terrestrial laser scanners Type de document : Article/Communication Auteurs : Derek D. Lichti, Auteur ; S. Gordon, Auteur ; M. Stewart, Auteur Année de publication : 2002 Article en page(s) : pp 29 - 31 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Lasergrammétrie
[Termes IGN] balayage laser
[Termes IGN] contrôle métrologique
[Termes IGN] contrôle qualité
[Termes IGN] déformation d'édifice
[Termes IGN] erreur moyenne quadratique
[Termes IGN] instrumentation Riegl
[Termes IGN] Lidar
[Termes IGN] patrimoine culturel
[Termes IGN] télémètre laser terrestre
[Termes IGN] télémétrie laserRésumé : (Editeur) Terrestrial laser scanning is today used for many applications, ranging from cultural heritage recording to metrology. As with any emerging technology, procedures for performance analysis, quality assurance and calibration are in their infancy. In addition, evaluation by independent organisations has been limited due to prohibitive hire and purchase prices. In response to this, the authors evaluated a Riegl LMS-Z210 scanner for structural deformation monitoring. Lab and on-site tests indicate that displacements as small 8mm can be covered with an RMS accuracy of less than+ 1mm. Copyright GITC Numéro de notice : A2002-332 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22243
in GIM international > vol 16 n° 12 (December 2002) . - pp 29 - 31[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 061-02121 RAB Revue Centre de documentation En réserve L003 Disponible Feature selection of in situ subtropical hyperspectral data using principal components analysis / F.Y. Ma in Geocarto international, vol 17 n° 4 (December 2002 - February 2003)
[article]
Titre : Feature selection of in situ subtropical hyperspectral data using principal components analysis Type de document : Article/Communication Auteurs : F.Y. Ma, Auteur ; W.L. Siu, Auteur Année de publication : 2002 Article en page(s) : pp 25 - 32 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] analyse en composantes principales
[Termes IGN] bande infrarouge
[Termes IGN] capteur multibande
[Termes IGN] données de terrain
[Termes IGN] environnement
[Termes IGN] espèce végétale
[Termes IGN] forêt tropicale
[Termes IGN] identification automatique
[Termes IGN] image hyperspectrale
[Termes IGN] luminance lumineuse
[Termes IGN] surveillance écologiqueRésumé : (Auteur) The availability of hyperspectral data is going to provide new insights for environmental studies. In this study, hyperspectral data were collected for 10 land cover types with in situ measurement and leaves of 25 subtropical tree species in laboratory measurement within the 400 900 rim spectral regions in 689 bands. These bands were subsequently filtered to 138 bands for data analysis. Principal components analysis was applied to explore the inherent data dimensions. It was found that unlike most broadband sensors from which only two dimensions, brightness and greenness, could be extracted, hyperspectral data provided additional dimensions particularly along the red edge that could help identify different land covers as well as tree species. The results of tree identification using principal components analysis were comparable to those using the raw spectral bands. Hyperspectral data analysis should be a valuable tool for environmental monitoring in the tropical and subtropical environment where a large variety of flora and habitats is found. Numéro de notice : A2003-048 Affiliation des auteurs : non IGN Thématique : FORET/IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/10106040208542251 En ligne : https://doi.org/10.1080/10106040208542251 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22345
in Geocarto international > vol 17 n° 4 (December 2002 - February 2003) . - pp 25 - 32[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 059-02041 RAB Revue Centre de documentation En réserve L003 Disponible Large-scale forest management in Hungary: processing Ikonos imagery with advanced remote sensing software / D. Kristof in GIM international, vol 16 n° 12 (December 2002)
[article]
Titre : Large-scale forest management in Hungary: processing Ikonos imagery with advanced remote sensing software Type de document : Article/Communication Auteurs : D. Kristof, Auteur ; E. Csato, Auteur ; J. Szunayik, Auteur Année de publication : 2002 Article en page(s) : pp 12 - 15 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] ArcView
[Termes IGN] carte de la végétation
[Termes IGN] classification
[Termes IGN] eCognition
[Termes IGN] ERDAS Imagine
[Termes IGN] extraction de la végétation
[Termes IGN] Hongrie
[Termes IGN] image Ikonos
[Termes IGN] inventaire forestier (techniques et méthodes)
[Termes IGN] OrthoEngine
[Termes IGN] orthoimage
[Termes IGN] précision géométrique (imagerie)
[Termes IGN] qualité des données
[Termes IGN] sylvicultureRésumé : (Editeur) Large-scale forest management tasks, like determining tree species, closure and mixture rate require high geometrical accuracy, as well as efficient data extraction techniques. Are IKONOS images suited for these tasks ? To answer this question the authors examined accuracy and extraction techniques for lower-price 'IKONOS Carterra Geo' imagery. The remote sensing software packages used were ERDAS Image 8.4 Professional, PCI OrthoEngine 8.2 Satellite Edition and Definiens eCognition 2.0. Digital forestry map operations were carried out with ArcView GIS 3.1. The answer to the initial question would appear to be positive. Numéro de notice : A2002-333 Affiliation des auteurs : non IGN Thématique : FORET/IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22244
in GIM international > vol 16 n° 12 (December 2002) . - pp 12 - 15[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 061-02121 RAB Revue Centre de documentation En réserve L003 Disponible A model-based mixture-supervised classification approach in hyperspectral data analysis / M.M. Dundar in IEEE Transactions on geoscience and remote sensing, vol 40 n° 12 (December 2002)
[article]
Titre : A model-based mixture-supervised classification approach in hyperspectral data analysis Type de document : Article/Communication Auteurs : M.M. Dundar, Auteur ; D. Landgrebe, Auteur Année de publication : 2002 Article en page(s) : pp 2692 - 2699 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] covariance
[Termes IGN] image hyperspectraleRésumé : (Auteur) It is well known that there is a strong relation between class definition precision and classification accuracy in pattern classification applications. In hyperspectral data analysis, usually classes of interest contain one or more components and may not be well represented by a single Gaussian density function. In this paper, a model-based mixture classifier, which uses mixture models to characterize class densities, is discussed. However, a key outstanding problem of this approach is how to choose the number of components and determine their parameters for such models in practice, and to do so in the face of limited training sets where estimation error becomes a significant factor. The proposed classifier estimates the number of subclasses and class statistics simultaneously by choosing the best model. The structure of class' s covariances is also addressed through a model-based covariance estimation technique introduced in this paper. Numéro de notice : A2002-351 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1109/TGRS.2002.807010 En ligne : https://doi.org/10.1109/TGRS.2002.807010 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22262
in IEEE Transactions on geoscience and remote sensing > vol 40 n° 12 (December 2002) . - pp 2692 - 2699[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 065-02121 RAB Revue Centre de documentation En réserve L003 Disponible Modeling and reduction of SAR interferometric phase noise in the wavelet domain / C. Lopez-Martinez in IEEE Transactions on geoscience and remote sensing, vol 40 n° 12 (December 2002)
[article]
Titre : Modeling and reduction of SAR interferometric phase noise in the wavelet domain Type de document : Article/Communication Auteurs : C. Lopez-Martinez, Auteur ; X. Fabregas, Auteur Année de publication : 2002 Article en page(s) : pp 2553 - 2566 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image radar et applications
[Termes IGN] algorithme de filtrage
[Termes IGN] bruit (théorie du signal)
[Termes IGN] modélisation
[Termes IGN] phase
[Termes IGN] transformation en ondelettesRésumé : (Auteur) This paper addresses the problem of interferometric phase noise reduction in synthetic aperture radar interferometry. A new phase noise model in the complex domain is introduced and validated by using both simulated and real interferograms. This noise model is also derived in the complex wavelet domain, where a novel noise reduction algorithm, which is not based on a windowing process and without the necessity of phase unwrapping, is addressed. The use of the wavelet transform allows to maintain the spatial resolution in the filtered phase image and prevents to filter low coherence areas. By using both, simulated as well as real interferometric phase images, the performance of this algorithm, in terms of noise reduction, spatial resolution maintenance, and computational efficiency, is reported and compared with other conventional filtering approaches. Numéro de notice : A2002-347 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1109/TGRS.2002.806997 En ligne : https://doi.org/10.1109/TGRS.2002.806997 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22258
in IEEE Transactions on geoscience and remote sensing > vol 40 n° 12 (December 2002) . - pp 2553 - 2566[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 065-02121 RAB Revue Centre de documentation En réserve L003 Disponible Potential of reflected intensity of airborne laser scanning systems in roadway features identification / Kiyun Yu in Geomatica, vol 56 n° 4 (December 2002)PermalinkReliability considerations in geospatial information systems / J.A.R. Blais in Geomatica, vol 56 n° 4 (December 2002)PermalinkSAR interferometry and statistical topography / A.M. Guarnieri in IEEE Transactions on geoscience and remote sensing, vol 40 n° 12 (December 2002)PermalinkScale 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)PermalinkSegmentation temporelle et spatiale de données agricoles / J.F. Mari in Revue internationale de géomatique, vol 12 n° 4 (décembre 2002 – février 2003)PermalinkThe effect of broadleaf canopies on survey-grade horizontal GPS-GLONASS measurements / Thomas H. Meyer in Surveying and land information systems, vol 62 n° 4 (01/12/2002)PermalinkTwo approaches of textural classification for the location of the flows of lava on the volcanic site of the mountain Cameroon / E. Tonye in Geocarto international, vol 17 n° 4 (December 2002 - February 2003)PermalinkBayesian soft classification for sub-pixel analysis: a critical evaluation / J. Ronald Eastman in Photogrammetric Engineering & Remote Sensing, PERS, vol 68 n° 11 (November 2002)PermalinkDEM generation method from contour lines based on the steepest slope segment chain and a monotone interpolation function / P.O. Adriansyah in ISPRS Journal of photogrammetry and remote sensing, vol 57 n° 1-2 (November - December 2002)PermalinkOrthophoto generation using Ikonos imagery and high-resolution DEM: a case study on volcanic hazard monitoring of Nysoros island (Greece) / S. Vassilopoulou in ISPRS Journal of photogrammetry and remote sensing, vol 57 n° 1-2 (November - December 2002)PermalinkRoad detection in dense urban areas using SAR imagery and the usefulness of multiple views / Florence Tupin in IEEE Transactions on geoscience and remote sensing, vol 40 n° 11 (November 2002)PermalinkA robust classification procedure based on mixture classifiers and nonparametric weighted feature extraction / B.C. Kuo in IEEE Transactions on geoscience and remote sensing, vol 40 n° 11 (November 2002)PermalinkThe effect of training strategies on supervised classification at different spatial resolutions / D.M. Chen in Photogrammetric Engineering & Remote Sensing, PERS, vol 68 n° 11 (November 2002)PermalinkLandscape dynamics of the spread of sudden oak death / M. Kelly in Photogrammetric Engineering & Remote Sensing, PERS, vol 68 n° 10 (October 2002)PermalinkQuantitative measures for spatial information of maps / Z. Li in International journal of geographical information science IJGIS, vol 16 n° 7 (october 2002)PermalinkSearch algorithms for multiway spatial joins / Dimitris Papadias in International journal of geographical information science IJGIS, vol 16 n° 7 (october 2002)PermalinkStatistical methods to partition effects of quantity and location during comparison of categorical maps at multiple resolutions / Robert Gilmore Pontius in Photogrammetric Engineering & Remote Sensing, PERS, vol 68 n° 10 (October 2002)PermalinkUrban object reconstruction using airborne laser elevation image and aerial image / K. Fujii in IEEE Transactions on geoscience and remote sensing, vol 40 n° 10 (October 2002)PermalinkUsing GIS in passive microwave soil moisture mapping and geostatistical analysis / A. Oldak in International journal of geographical information science IJGIS, vol 16 n° 7 (october 2002)PermalinkAnts can successfully design GPS surveying networks / H.A. Saleh in GPS world, vol 13 n° 9 (September 2002)PermalinkAutomatic generalisation of 3D building models / Martin Kada in GIS Geo-Informations-Systeme, vol 2002 n° 9 (September 2002)PermalinkAutomatic surface reconstruction based on the fusion of fuzzy logic and robust estimation techniques / F. Samadzadegan in Photogrammetric record, vol 17 n° 100 (October 2002 - March 2003)PermalinkClassification methods in GIS: information loss minimization for spatial data representation / Toshihiro Osaragi in GIS Geo-Informations-Systeme, vol 2002 n° 9 (September 2002)PermalinkA comparison of fuzzy vs. augmented-ISODATA classification algorithms for cloud-shadow discrimination from Landsat images / A.M. Melesse in Photogrammetric Engineering & Remote Sensing, PERS, vol 68 n° 9 (September 2002)PermalinkDetecting and measuring individual trees using an airborne laser scanner / A. Persson in Photogrammetric Engineering & Remote Sensing, PERS, vol 68 n° 9 (September 2002)PermalinkÉtude de la flexion continentale sous la charge océanique à partir des données RGP / Marie-Noëlle Bouin in Bulletin d'information de l'Institut géographique national, n° 73 (septembre 2002)PermalinkUn générateur de données bathymétriques pour l'aide au prétraitement des cartes marines / R. Thibaudeau in Revue internationale de géomatique, vol 12 n° 3 (septembre - novembre 2002)PermalinkGIS and high resolution Spot imagery evaluating the impact of urbanization on agricultural lands / H. Anys in Geocarto international, vol 17 n° 3 (September - November 2002)PermalinkImpact of contextual information integration on pixel fusion / Sophie Fabre in IEEE Transactions on geoscience and remote sensing, vol 40 n° 9 (September 2002)PermalinkImprovement of an oak canopy model extracted from digital photogrammetry / P. Gong in Photogrammetric Engineering & Remote Sensing, PERS, vol 68 n° 9 (September 2002)PermalinkLand cover classification models using Shuttle Imaging Radar (SIR-C) data: a case study in New Hampshire, USA / R. Narayanan in Geocarto international, vol 17 n° 3 (September - November 2002)PermalinkLa mouche tsé-tsé sous haute surveillance : cartographie des paysages épidémiologiques de la maladie du sommeil par télédétection et analyse spatiale / D. Laffly in XYZ, n° 92 (septembre - novembre 2002)PermalinkA multiple-cascade-classifier system for a robust and partially unsupervised updating of land-cover maps / Lorenzo Bruzzone in IEEE Transactions on geoscience and remote sensing, vol 40 n° 9 (September 2002)PermalinkUne nouvelle détermination du pôle des terres émergées / Jean-Georges Affholder in Le monde des cartes, n° 173-174 (septembre - décembre 2002)PermalinkSimultaneous graphic generalization of vector data sets / Lars Harrie in Geoinformatica, vol 6 n° 3 (September - November 2002)PermalinkSolutions for exterior orientation in photogrammetry: a review / Pierre Grussenmeyer in Photogrammetric record, vol 17 n° 100 (October 2002 - March 2003)PermalinkSpatial data mining for enhanced soil map modelling / C.J. Moran in International journal of geographical information science IJGIS, vol 16 n° 6 (september 2002)PermalinkTechniques for mapping suburban sprawl / J. Epstein in Photogrammetric Engineering & Remote Sensing, PERS, vol 68 n° 9 (September 2002)PermalinkVector-lifting schemes for lossless coding and progressive archival of multispectral images / A. Benazza-Benyahia in IEEE Transactions on geoscience and remote sensing, vol 40 n° 9 (September 2002)PermalinkEvaluation of SAR-optical imagery synthesis techniques in a complex coastal ecosystem / F.M. Henderson in Photogrammetric Engineering & Remote Sensing, PERS, vol 68 n° 8 (August 2002)PermalinkApplication of snakes and dynamic programming optimisation technique in modeling of buildings in informal settlement areas / H. Ruther in ISPRS Journal of photogrammetry and remote sensing, vol 56 n° 4 (July - August 2002)PermalinkCurrent strain regime in the Western Alps from continuous Global Positioning System measurements, 1996–2001 / Eric Calais in Geology, vol 30 n° 7 (July 2002)PermalinkExperimental evaluation of positional accuracy estimates from linear network using point- and line-based testing methods / T.G. Van Niel in International journal of geographical information science IJGIS, vol 16 n° 5 (july 2002)PermalinkHyperspectral edge filtering for measuring homogeneity of surface cover types / Wim H. Bakker in ISPRS Journal of photogrammetry and remote sensing, vol 56 n° 4 (July - August 2002)PermalinkIntegration of classification methods for improvement of land-cover map accuracy / XiaoHang Liu in ISPRS Journal of photogrammetry and remote sensing, vol 56 n° 4 (July - August 2002)Permalink