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image multibandeSynonyme(s)Image xs ;Image multispectrale donnees multispectralesVoir aussi |
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Optical imagery from airborne & spaceborne: comparison of resolution, coverage for given ground pixel size / Gordon Petrie in Geoinformatics, vol 5 n° 1 (01/01/2002)
[article]
Titre : Optical imagery from airborne & spaceborne: comparison of resolution, coverage for given ground pixel size Type de document : Article/Communication Auteurs : Gordon Petrie, Auteur Année de publication : 2002 Article en page(s) : pp 28 - 35 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] analyse comparative
[Termes IGN] caméra numérique
[Termes IGN] capteur à balayage
[Termes IGN] capteur aérien
[Termes IGN] capteur en peigne
[Termes IGN] capteur imageur
[Termes IGN] capteur optique
[Termes IGN] capteur spatial
[Termes IGN] chambre DTC
[Termes IGN] EROS
[Termes IGN] Ikonos
[Termes IGN] image à très haute résolution
[Termes IGN] image multibande
[Termes IGN] image optique
[Termes IGN] QuickbirdRésumé : (Auteur) As discussed in my article on imagers published in the april/may 2000 issue of Geoinformatics, over the last two or three years, the previous rather simple distinction between (i) analogue film cameras producing very high-resolution frame images from aiborne platforms ; and (ii) digital line scanners producing continuous strips of linescan imagery of markedly lower resolution from spaceborne platforms, is being replaced by a much more complex scenario. This is based on the very varied mixtures of technologies, geometries and platforms that are now becoming available through the introduction of the new types of digital imagers capable of being operated both from airborne and spaceborne platforms. Numéro de notice : A2002-272 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22183
in Geoinformatics > vol 5 n° 1 (01/01/2002) . - pp 28 - 35[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 262-02011 SL Revue Centre de documentation Revues en salle Disponible Scale and texture in digital image classification / J.S. Ferro in Photogrammetric Engineering & Remote Sensing, PERS, vol 68 n° 1 (January 2002)
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Titre : Scale and texture in digital image classification Type de document : Article/Communication Auteurs : J.S. Ferro, Auteur ; T.A. Warner, Auteur Année de publication : 2002 Article en page(s) : pp 51 - 63 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] accentuation de contours
[Termes IGN] analyse d'image numérique
[Termes IGN] classification dirigée
[Termes IGN] classification multidimensionnelle
[Termes IGN] classification non dirigée
[Termes IGN] classification par maximum de vraisemblance
[Termes IGN] image ADAR
[Termes IGN] image multibande
[Termes IGN] incertitude des données
[Termes IGN] qualité d'image
[Termes IGN] superposition d'imagesRésumé : (Auteur) Classification errors using texture are most likely associated with class edges, but investigators often avoid edges when evaluating textures for classification. The large window needed to produce a stable texture measure produce large edge effects. Small windows minimize edge effects, but often do not provide stable texture measures. Simulated data experiments showed that class separability increased when texture was used in addition to spectral information. Texture separability improved with larger windows. This improvement was over estimated when pixels were chosen away from class edges. Airborne Data Acquisition and Registration (ADAR) data showed that separability of class interiors improved with the addition of texture, but that, for the whole class, separability fell. Maximum-likelihood classification of the ADAR data demonstrated the effect of edges and multiple scales in reducing the accuracy of classification incorporating texture. Numéro de notice : A2002-010 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans En ligne : https://www.asprs.org/wp-content/uploads/pers/2002journal/january/2002_jan_51-63 [...] Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=21927
in Photogrammetric Engineering & Remote Sensing, PERS > vol 68 n° 1 (January 2002) . - pp 51 - 63[article]A synergic automatic clustering technique (syneract) for multispectral image analysis / K.Y. Huang in Photogrammetric Engineering & Remote Sensing, PERS, vol 68 n° 1 (January 2002)
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Titre : A synergic automatic clustering technique (syneract) for multispectral image analysis Type de document : Article/Communication Auteurs : K.Y. Huang, Auteur Année de publication : 2002 Article en page(s) : pp 33 - 40 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] analyse d'image numérique
[Termes IGN] analyse de groupement
[Termes IGN] classification dirigée
[Termes IGN] classification ISODATA
[Termes IGN] classification non dirigée
[Termes IGN] image multibandeRésumé : (Auteur) The Iterative Self-Organizing Data Analysis Technique (ISODATA) has been widely used in unsupervised and supervised classification. However, ISODATA suffers from several limitations. The user often spends much analyst time on specifying input parameters by trial and error, particularly initial cluster centers. Of more importance, an inapropriate choice of initial clusters may cause poor classification results. ISODATA is computationally intensive because of its iterative process . This study aimed to develop a synergistic automatic clustering technique (SYNERACT) that combined the hierachical descending and ISODATA clustering procedures to avoid those limitations. The two methods were compared using multispectral digitized video images. An inappropriate choice of initial seeds for SODATA was shown to reduce accuracies significantly. In contrast, SYNERACT was capable of determining the suitable locations for the initial clusters automatically from the data, therby avoiding those limitations. Owing to this capability, SYNERACT was not so heavily dependent on the iterative process as was ISODATA, and thus was much faster than ISODATA. SYNERACT also matched ISODATA in accuracy. Accordingly, SYNERACT could serve as an alternative to ISODATA for multispectral image analysis. Numéro de notice : A2002-008 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans En ligne : https://www.asprs.org/wp-content/uploads/pers/2002journal/january/2002_jan_33-40 [...] Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=21925
in Photogrammetric Engineering & Remote Sensing, PERS > vol 68 n° 1 (January 2002) . - pp 33 - 40[article]Revealing the anatomy of cities through spectral mixture analysis of multispectral satellite imagery: a case study of the greater Cairo region, Egypt / T. Rashed in Geocarto international, vol 16 n° 4 (December 2001 - February 2002)
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Titre : Revealing the anatomy of cities through spectral mixture analysis of multispectral satellite imagery: a case study of the greater Cairo region, Egypt Type de document : Article/Communication Auteurs : T. Rashed, Auteur ; J.R. Weeks, Auteur ; M.S. Gadalla, Auteur ; A. Hill, Auteur Année de publication : 2001 Article en page(s) : pp 5 - 15 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] analyse des mélanges spectraux
[Termes IGN] analyse spectrale
[Termes IGN] carte d'occupation du sol
[Termes IGN] classification dirigée
[Termes IGN] Egypte
[Termes IGN] image multibande
[Termes IGN] milieu urbain
[Termes IGN] occupation du solRésumé : (Auteur) This paper examines the feasibility of spectral mixture analysis (SMA) in deriving comparable physical measures of urban land cover that describe the morphological characteristics of cities. SMA offers a way of analyzing satellite imagery of urban areas that may be superior to more standard methods of classification. Mixing models are based on the assumption that the remotely measured spectrum of a given pixel can be modeled as a combination of pure spectra, called endmembers. SMA, using four image endmembers (vegetation, impervious surface, soil, and shade), was applied to an IRS-1C multispectral image in order to extract measures that describe the anatomy of the Greater Cairo region, Egypt, in terms of endmember fractions. The resulting fractions were then used to classify the urban scene into eight classes of natural and human-built features through a decision tree (DT) classifier. The accuracy of the DT classification was compared to the accuracies of two per-pixel supervised classifications of the IRS-1C image employing maximum likelihood (ML) and minimum distance-to-means (MDM) classifiers. Overall KAPPA accuracies were 0. 88 for the DT classification based on SMA fractions, and 0.60 and 0.45 for the classifications conducted through ML and MDM respectively. Numéro de notice : A2002-038 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/10106040108542210 En ligne : https://doi.org/10.1080/10106040108542210 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=21955
in Geocarto international > vol 16 n° 4 (December 2001 - February 2002) . - pp 5 - 15[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 059-01041 RAB Revue Centre de documentation En réserve L003 Disponible A 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)
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Titre : A robust texture analysis and classification approach for urban land-use and land-cover feature discrimination Type de document : Article/Communication Auteurs : S.W. Myint, Auteur Année de publication : 2001 Article en page(s) : pp 27 - 38 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] analyse d'image numérique
[Termes IGN] analyse discriminante
[Termes IGN] analyse texturale
[Termes IGN] base de données d'occupation du sol
[Termes IGN] image multibande
[Termes IGN] méthode robuste
[Termes IGN] occupation du sol
[Termes IGN] photo-interprétation
[Termes IGN] reconnaissance d'objets
[Termes IGN] transformation en ondelettes
[Termes IGN] utilisation du solRésumé : (Auteur) Attempts to analyze urban features and to classify land use and land cover directly from high-resolution satellite data with traditional computer classification techniques have proven to be inefficient for two primary reasons. First, urban landscapes are composed of complex features. Second, traditional classifiers employ spectral information based on single pixel value and ignore a great amount of spatial information. Texture plays an important role in image segmentation and object recognition, as well as in interpretation of images in a variety of applications. This study analyzes urban texture features in multi-spectral image data. Recent developments in the very powerful mathematical theory of wavelet transforms have received overwhelming attention by image analysts. An evaluation of the ability of wavelet transform in urban feature extraction and classification was performed in this study, with six types of urban land cover features classified. The preliminary results of this research indicate that the accuracy of texture analysis in classifying urban features in fine resolution image data could be significantly improved with the use of wavelet transform approach. Numéro de notice : A2002-039 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/10106040108542212 En ligne : https://doi.org/10.1080/10106040108542212 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=21956
in Geocarto international > vol 16 n° 4 (December 2001 - February 2002) . - pp 27 - 38[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 059-01041 RAB Revue Centre de documentation En réserve L003 Disponible Use of very high spatial resolution remotely sensed imagery for assessing land-cover changes in shrub habitat preserves of the southern California / P. Longmire in Geocarto international, vol 16 n° 4 (December 2001 - February 2002)PermalinkApport des données SPOT 5 multibandes et panchromatiques à 2,5 m au contrôle des déclarations d'agriculteurs assisté par télédétection / Gwénaël Souillé in Bulletin [Société Française de Photogrammétrie et Télédétection], n°164-165 (Octobre 2001)PermalinkBest-bases feature extraction algorithms for classification of hyperspectral data / Satish Kumar in IEEE Transactions on geoscience and remote sensing, vol 39 n° 7 (July 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)PermalinkDetection of interannual vegetation responses to climatic variability using AVIRIS data in a coastal savanna in California / M. Garcia in IEEE Transactions on geoscience and remote sensing, vol 39 n° 7 (July 2001)PermalinkDiscrimination of arid vegetation with airborne multispectral scanner hyperspectral imagery / M. Lewis in IEEE Transactions on geoscience and remote sensing, vol 39 n° 7 (July 2001)PermalinkEffect of lossy vector quantization hyperspectral data compression on retrieval of red-edge indices / S.E. Qian in IEEE Transactions on geoscience and remote sensing, vol 39 n° 7 (July 2001)PermalinkGeoregistration of airborne hyperspectral image data / C. Lee in IEEE Transactions on geoscience and remote sensing, vol 39 n° 7 (July 2001)PermalinkHyperspectral subpixel target detection using the linear mixing model / D. Manolakis in IEEE Transactions on geoscience and remote sensing, vol 39 n° 7 (July 2001)PermalinkInformation-theoretic assessment of sampled hyperspectral imagers / B. Aiazzi in IEEE Transactions on geoscience and remote sensing, vol 39 n° 7 (July 2001)PermalinkA new search algorithm for feature selection in hyperspectral remote sensing images / S.B. Serpico in IEEE Transactions on geoscience and remote sensing, vol 39 n° 7 (July 2001)PermalinkRetrieval of sea water optically active parameters from hyperspectral data by means of generalized radial basis function neural networks / P. Cipollini in IEEE Transactions on geoscience and remote sensing, vol 39 n° 7 (July 2001)Permalinkvol 39 n° 7 - July 2001 - Special issue on analysis of hyperspectral image data (Bulletin de IEEE Transactions on geoscience and remote sensing) / Geoscience and remote sensing societyPermalinkSpectral mixture analysis of simulated thermal infrared spectrometry data: an initial temperature estimate bounded TESSMA search approach / E.F. Collins in IEEE Transactions on geoscience and remote sensing, vol 39 n° 7 (July 2001)PermalinkA spectral mixture process conditioned by Gibbs-based partitioning / R.S. Rand in IEEE Transactions on geoscience and remote sensing, vol 39 n° 7 (July 2001)PermalinkThe impact of viewing geometry on material discriminability in hyperspectral images / P.H. Suen in IEEE Transactions on geoscience and remote sensing, vol 39 n° 7 (July 2001)PermalinkUnsupervised target detection in hyperspectral images using projection pursuit / S.S. Chiang in IEEE Transactions on geoscience and remote sensing, vol 39 n° 7 (July 2001)PermalinkSPOT 5 est en phase de test : le lancement est prévu pour début 2002 / Anonyme in Géomatique expert, n° 13 (01/05/2001)PermalinkDevelopment of a solar spectro-irradiometer for the validation of remotely sensed hyperspectral images / A. Barducci (2001)PermalinkEtude des relations spécifiques entre végétation et roches du massif de Ronda par télédétection hyperspectrale AVIRIS (1991) et HYMAP (2000) / Guillaume Hallereau (2001)PermalinkGeoComputational modelling / Manfred M. Fischer (2001)PermalinkIntroduction to modern photogrammetry / E.M. Mikhail (2001)PermalinkMise à jour cartographique au Nord Cameroun dans le cadre d'une étude épidémiologique portant sur l'apport de l'imagerie spatiale au suivi des schistosomoses dans les zones irriguées au nord du lac Lagdo / J. Kouame (2001)PermalinkMonitoring and water pollution modelling of the Bosphorus by regression analysis using multitemporal Landsat-TM data / H. Gonca Coskun (2001)PermalinkMonitoring of active fire by the airborne imaging spectrometer MIVIS / A. Barducci (2001)PermalinkUtilisation de données multidates SPOT-XS pour l'évaluation de l'impact d'une ferme aquacole sur la dynamique écologique d'un delta tropical : Un exemple dans le Nord-Ouest de Madagascar / J. Iltis in Bulletin [Société Française de Photogrammétrie et Télédétection], n° 161 (Janvier 2001)PermalinkUtilisation des données de télédétection haute résolution pour la caractérisation agronomique de plantations industrielles de palmiers à huile / Vincent Abt (2001)PermalinkHabitat animal et image numérique : méthode de reconnaissance exploratoire appliquée à des occurrences d'espèces / Jean-Christophe Foltête in Photo interprétation, vol 38 n° 3-4 (Septembre 2000)PermalinkThe configurations of the new airborne digital imagers are all rooted in the distant past " déjà vu " / Gordon Petrie in Geoinformatics, vol 3 n° 5 (01/07/2000)PermalinkVegetation geometrical image quality / Sylvia Sylvander in Bulletin [Société Française de Photogrammétrie et Télédétection], n° 159 (Juillet 2000)PermalinkReducing weight, size and costs: space remote sensing from micro and mini satellites / Gordon Petrie in Geoinformatics, vol 3 n° 2 (01/03/2000)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)PermalinkAnalyse du potentiel des images radar pour la cartographie et la mise à jour de cartes en Guinée-Conakry / Cédric Parent (2000)PermalinkTélédétection aérospatiale et informations géologiques / Jean-Yves Scanvic (2000)PermalinkOptical indices as bioindicators of forest condition from hyperspectral CASI data / Pablo J. Zarco-Tejada (31/05/1999)PermalinkTextural classification using textural signatures / A. Kourgli (31/05/1999)PermalinkApport et perspectives de l'imagerie hyperspectrale pour la télédétection des paysages naturels et agricoles / Audrey Minghelli (1999)PermalinkDétection des changements d'occupation du sol de la lagune de Segarra Anakan (Indonésie) / M. Frederik (1999)PermalinkSegmentierung und Interpretation digitaler Bilder mit Markoff-Zufallsfeldern / J. Klonowski (1999)PermalinkRemote sensing applications for change detection in the coastal region of the Nile delta, Egypt / S.I. Abdel Rahman (01/09/1998)PermalinkApport de la modélisation du transfert radiatif pour l'étude des écosystèmes forestiers par télédétection / V. Pinel (1997)PermalinkEtude de la résolution spatiale optimale dans un milieu forestier de moyenne montagne / Dave Dionne in Bulletin [Société Française de Photogrammétrie et Télédétection], n° 141 (Janvier 1996)PermalinkKlassifizierung von multispektralen Bildern unter Verwendung der Clusterformen im Merkmalsraum / M. Zahn (1996)PermalinkProgress in environmental remote sensing research and applications / E. Parlow (1996)PermalinkMultispectral and microwave sensing of forestry, hydrology, and natural resources / Eric Mougin (1995)Permalink