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Auteur Shan Jie |
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Class-guided building extraction from imagery / D. Scott Lee in Photogrammetric Engineering & Remote Sensing, PERS, vol 69 n° 2 (February /2003)
[article]
Titre : Class-guided building extraction from imagery Type de document : Article/Communication Auteurs : D. Scott Lee, Auteur ; Shan Jie, Auteur ; J. Bethel, Auteur Année de publication : 2003 Article en page(s) : pp 143 - 150 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Photogrammétrie numérique
[Termes IGN] classification non dirigée
[Termes IGN] détection de contours
[Termes IGN] détection du bâti
[Termes IGN] extraction automatique
[Termes IGN] image à résolution métrique
[Termes IGN] image Ikonos
[Termes IGN] image panchromatique
[Termes IGN] milieu urbain
[Termes IGN] reconstruction 2D du bâti
[Termes IGN] transformation de HoughRésumé : (Auteur) Recent high resolution satellite images provide a valuable new data source for geospatial information acquisition. This paper addresses building extraction from Ikonos images in urban areas. The proposed approach uses the classification results of Ikonos multispectral images to provide approximate location and shape for candidate building objects. Their fine extraction is then carried out in the corresponding panchromatic image through segmentation and squaring. The ECHO classifier is used for supervised classification while the ISODATA algorithm is used for unsupervised classification and subsequent image segmentation. The classification performance is evaluated using the classification confusion matrix, while the final building extraction results are assessed based on the manually delineated results. A building squaring approach based on the Hough transformation is developed that detects and forms the rectilinear building boundaries. A number of sample results are presented to illustrate the approach and demonstrate its efficiency. It is shown that about 64.4 percent of the buildings can be detected, extracted, and accurately formed through this process. Remaining difficulties are high percentage false alarm errors caused by the misclassification of road and building classes as well as occlusion and shadows that may mislead the extraction process. Numéro de notice : A2003-011 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.14358/PERS.69.2.143 En ligne : https://doi.org/10.14358/PERS.69.2.143 Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22309
in Photogrammetric Engineering & Remote Sensing, PERS > vol 69 n° 2 (February /2003) . - pp 143 - 150[article]A fast recursive method for repeated computation of reliability matrix QVVP / Shan Jie in Photogrammetria, vol 43 n° 6 (August 1989)
[article]
Titre : A fast recursive method for repeated computation of reliability matrix QVVP Type de document : Article/Communication Auteurs : Shan Jie, Auteur Année de publication : 1989 Article en page(s) : pp 337 - 346 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Photogrammétrie
[Termes IGN] calcul matriciel
[Termes IGN] compensation par blocNuméro de notice : A1989-213 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.1016/0031-8663(89)90031-8 En ligne : https://doi.org/10.1016/0031-8663(89)90031-8 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=25173
in Photogrammetria > vol 43 n° 6 (August 1989) . - pp 337 - 346[article]Exemplaires(1)
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