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Detection of a landslide movement as geometric misregistration in image matching of SPOT HRV data of two different dates / Yasushi Yamaguchi in International Journal of Remote Sensing IJRS, vol 24 n° 18 (September 2003)
[article]
Titre : Detection of a landslide movement as geometric misregistration in image matching of SPOT HRV data of two different dates Type de document : Article/Communication Auteurs : Yasushi Yamaguchi, Auteur ; S. Tanaka, Auteur ; T. Odajima, Auteur ; T. Kamai, Auteur ; S. Tsuchida, Auteur Année de publication : 2003 Article en page(s) : pp 3523 - 3534 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] analyse comparative
[Termes IGN] analyse diachronique
[Termes IGN] effondrement de terrain
[Termes IGN] GPS en mode différentiel
[Termes IGN] image multitemporelle
[Termes IGN] image panchromatique
[Termes IGN] image SPOT-HRV
[Termes IGN] Japon
[Termes IGN] mouvement de terrain
[Termes IGN] positionnement par GPSRésumé : (Auteur) A landslide movement was detected as geometric misregistration in image matching between two SPOT HRV panchromatic image data of different acquisition dates. The test site is an active landslide in Itaya area, Yamagata Prefecture, northern Japan. The average rate of the landslide movement is approximately 1 cm per day based upon differential GPS measurements. Pixel level and subpixel level image matching was applied to an HRV image pair obtained on I November 1987 and 29 October 1993. As a result, the landslide movement was successfully detected as misregistration vectors between the two HRV scenes. The displacement is approximately 20m to 30m over the 6-year period between 1987 and 1993 and is consistent with the landslide movement inferred from the GPS measurements. Numéro de notice : A2003-261 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/01431160110111063 En ligne : https://doi.org/10.1080/01431160110111063 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22556
in International Journal of Remote Sensing IJRS > vol 24 n° 18 (September 2003) . - pp 3523 - 3534[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 080-03181 RAB Revue Centre de documentation En réserve L003 Disponible Geometric information from Ikonos: strict and highly accurate solution based on VirtuoZo / Z. Hu in GIM international, vol 17 n° 9 (September 2003)
[article]
Titre : Geometric information from Ikonos: strict and highly accurate solution based on VirtuoZo Type de document : Article/Communication Auteurs : Z. Hu, Auteur Année de publication : 2003 Article en page(s) : pp 42 - 45 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] analyse comparative
[Termes IGN] erreur moyenne quadratique
[Termes IGN] image à résolution métrique
[Termes IGN] image Ikonos
[Termes IGN] image panchromatique
[Termes IGN] modèle numérique de terrain
[Termes IGN] modèle par fonctions rationnelles
[Termes IGN] point d'appui
[Termes IGN] résiduRésumé : (Auteur) Since the pixel size of panchromatic Ikonos imagery is one metre, it is desirable that the planimetric and height error after georeferencing be smaller. Which method provides this high accuracy requirement ? Three processing methods have been tested : (1) Ikonos RPC parameters only, (2) an associated adjustment of RPC parameters with control points and (3) a strict geometric model based on affine transformation. The adjustment of RPC parameters with one or two control points improves accuracy significantly, especially in elevation. Using only five control points, the strict model yields very high accuracy of 5 to 12 cm in X,Y and Z with one pair of stereo images covering. This method does not need RPC coefficients, whilst the coordinate system can be any independent one. The strict model represents a new step forward, both in theory and application, for high-resolution Ikonos imagery processing. Numéro de notice : A2003-238 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22533
in GIM international > vol 17 n° 9 (September 2003) . - pp 42 - 45[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 061-03091 SL Revue Centre de documentation Revues en salle Disponible A hierarchical fuzzy classification approach for high-resolution multispectral data over urban areas / A.K. Shackelford in IEEE Transactions on geoscience and remote sensing, vol 41 n° 9 (September 2003)
[article]
Titre : A hierarchical fuzzy classification approach for high-resolution multispectral data over urban areas Type de document : Article/Communication Auteurs : A.K. Shackelford, Auteur ; C.H. Davis, Auteur Année de publication : 2003 Article en page(s) : pp 1920 - 1932 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] analyse comparative
[Termes IGN] classification floue
[Termes IGN] classification par maximum de vraisemblance
[Termes IGN] image à résolution métrique
[Termes IGN] image Ikonos
[Termes IGN] image multibande
[Termes IGN] image panchromatique
[Termes IGN] milieu urbain
[Termes IGN] texture d'imageRésumé : (Auteur) In this paper, we investigate the usefulness of high-resolution multispectral satellite imagery for classification of urban and suburban areas and present a fuzzy logic methodology to improve classification accuracy. Panchromatic and multispectral IKONOS image datasets are analyzed for two urban locations in this study. Both multispectral and pansharpened multispectral images are first classified using a traditional maximum-likelihood approach. Maximum-likelihood classification accuracies between 79 % to 87 % were achieved with significant misclassification error between the spectrally similar Road and Building urban land cover types. A number of different texture measures were investigated, and a length-width contextual measure is developed. These spatial measures were used to increase the discrimination between spectrally similar classes, thereby yielding higher accuracy urban land cover maps. Finally, a hierarchical fuzzy classification approach that makes use of both spectral and spatial information is presented. This technique is shown to increase the discrimination between spectrally similar urban land cover classes and results in classification accuracies that are 8 % to I I% larger than those from the traditional maximumlikelihood approach. Numéro de notice : A2003-249 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1109/TGRS.2003.814627 En ligne : https://doi.org/10.1109/TGRS.2003.814627 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22544
in IEEE Transactions on geoscience and remote sensing > vol 41 n° 9 (September 2003) . - pp 1920 - 1932[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 065-03091 RAB Revue Centre de documentation En réserve L003 Disponible Comparison of gray-level reduction and different texture spectrum encoding methods for land-use classification using a panchromatic Ikonos image / B. Xu in Photogrammetric Engineering & Remote Sensing, PERS, vol 69 n° 5 (May 2003)
[article]
Titre : Comparison of gray-level reduction and different texture spectrum encoding methods for land-use classification using a panchromatic Ikonos image Type de document : Article/Communication Auteurs : B. Xu, Auteur ; E. Seto, Auteur ; P. Gong, Auteur ; R. Spear, Auteur Année de publication : 2003 Article en page(s) : pp 529 - 536 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] analyse spectrale
[Termes IGN] analyse texturale
[Termes IGN] classification contextuelle
[Termes IGN] compression d'image
[Termes IGN] image à résolution métrique
[Termes IGN] image Ikonos
[Termes IGN] image panchromatique
[Termes IGN] niveau de gris (image)
[Termes IGN] texture d'image
[Termes IGN] uniformisation d'histogramme
[Termes IGN] utilisation du solRésumé : (Auteur) In this paper, we evaluate the potential of a frequency-based contextual classifier (FBC) for landuse classification with a panchromatic Ikonos image. To capture the spatial arrangement of image graylevel values and use such information in image classification, we applied texture spectrum (TS) directly in the FBC. The effects of several data preprocessing and reduction methods on the performance of the FBC are also evaluated. The methods include four graylevel reduction (GLR) techniques and several modifications to the TS technique. The purpose of data reduction is to improve the classification efficiency of the FBC. The GLR schemes were minmax linear compression (LC), gray level binning (BN), histogram equalization (HE), and piecewise nonlinear compression (PC). Instead of using the texture measures derived from the texture spectrum, we directly applied texture spectra of various sizes in the classification. We modified the encoding algorithm in the TS and were able to reduce the number of texture units from its original 6561 to 256, 81, and 16, leading to as much as a 410 times computation efficiency. The original image and GLR images were subsequently classified with the FBC. We compared the classification accuracies and found that the GLR methods resulted in accuracies similar to that of the original image (within 0.03 kappa value). There was little difference in classification accuracy (within 0.03 kappa value) among the three modified TS methods, which were all outperformed by the original TS method. All TS methods performed considerably better than the use of the original image and the GLR methods. Numéro de notice : A2003-083 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.14358/PERS.69.5.529 En ligne : http://dx.doi.org/10.14358/PERS.69.5.529 Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22379
in Photogrammetric Engineering & Remote Sensing, PERS > vol 69 n° 5 (May 2003) . - pp 529 - 536[article]Multi-band wavelet for using Spot panchromatic and multispectral images / Wei Shi in Photogrammetric Engineering & Remote Sensing, PERS, vol 69 n° 5 (May 2003)
[article]
Titre : Multi-band wavelet for using Spot panchromatic and multispectral images Type de document : Article/Communication Auteurs : Wei Shi, Auteur ; C. Zhu, Auteur ; Ca. Zhu, Auteur ; X. Yang, Auteur Année de publication : 2003 Article en page(s) : pp 513 - 520 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] fusion d'images
[Termes IGN] image Landsat-TM
[Termes IGN] image multibande
[Termes IGN] image panchromatique
[Termes IGN] image SPOT
[Termes IGN] ondelette
[Termes IGN] transformation en ondelettes
[Termes IGN] transformation intensité-teinte-saturationRésumé : (Auteur) With the development of remote sensing technology, fusion of remotely sensed images, such as SPOT panchromatic (SPOT P) with SPOT multispectral images (SPOT XS) or Landsat Thematic Mapper (TM), has become more important in order to obtain richer information in the spatial and spectral domains simultaneously. Many fusion methods have been developed based on the twoband wavelet transformation. However, due to the limitations of the transformation characteristics themselves, the twoband wavelet is not very efficient for the fusion of images whose ratio of spatial resolutions is not 2n (n = 1, 2, 3, ...), e.g., for fusing a 101 resolution panchromatic SPOT image and with 30m resolution multispectral TM images. However, a recently developed new wavelet branchmultiband wavelet can potentially be applied to solve this problem. In this paper, we develop a new approach for fusing SPOT P images with multispectral TM images based on multiband wavelet transformation. First, the theoretical basis of multiband wavelet is presented and its transformation properties are analyzed. Second, a new method for fusing a SPOT P image with multispectral images using the multiband wavelet is proposed. Specifically, the threeband wavelet is implemented to fuse 1 10m SPOT panchromatic and 30m multispectral TM images. Third, this new method is compared with previous methods such as the twoband wavelet and IHS methods for image fusion. The proposed multiband wavelet approach demonstrates an improvement in spatial and spectral characteristics for fusing SPOT P and multispectral TM images. Numéro de notice : A2003-082 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.14358/PERS.69.5.513 En ligne : https://doi.org/10.14358/PERS.69.5.513 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22378
in Photogrammetric Engineering & Remote Sensing, PERS > vol 69 n° 5 (May 2003) . - pp 513 - 520[article]Expert system house detection in high spatial resolution: Imagery using size, shape, and context / J.A. Tullis in Geocarto international, vol 18 n° 1 (March - May 2003)PermalinkClass-guided building extraction from imagery / D. Scott Lee in Photogrammetric Engineering & Remote Sensing, PERS, vol 69 n° 2 (February /2003)PermalinkPermalinkLa chaine de fusion des données SPOT 5 / Christophe Latry in Bulletin [Société Française de Photogrammétrie et Télédétection], n° 169 (Janvier 2003)PermalinkEvaluations thématiques et statistiques de cinq algorithmes de fusion P-XS sur des simulations d'images Pléiades-HR / H. De Boissezon in Bulletin [Société Française de Photogrammétrie et Télédétection], n° 169 (Janvier 2003)PermalinkIntegrating textural and geometric information for an automatic bridge detection system / Nicolas Lomenie (2003)PermalinkMéthode géométrique de fusion pour des images P+XS / C. Ballester in Bulletin [Société Française de Photogrammétrie et Télédétection], n° 169 (Janvier 2003)PermalinkStratégies de fusion d'images P-XS basées sur les principes colorimétriques et l'égalisation de statistiques locales / Yves Cornet in Bulletin [Société Française de Photogrammétrie et Télédétection], n° 169 (Janvier 2003)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)PermalinkSemi-automated extraction of rivers from digital imagery / C.R. Dillabaugh in Geoinformatica, vol 6 n° 3 (September - November 2002)Permalink