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Flood vulnerability assessment of urban buildings based on integrating high-resolution remote sensing and street view images / Ziyao Xing in Sustainable Cities and Society, vol 92 (May 2023)  

Public [article]  inSustainable Cities and Society > vol 92 (May 2023) . - n° 104467 Titre : Flood vulnerability assessment of urban buildings based on integrating high-resolution remote sensing and street view images Type de document : Article/Communication Auteurs : Ziyao Xing, Auteur ; Shuai Yang, Auteur ; Xuli Zan, Auteur ; et al., Auteur Année de publication : 2023 Article en page(s) : n° 104467 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique [Termes IGN] attention (apprentissage automatique) [Termes IGN] bâtiment [Termes IGN] Chine [Termes IGN] gestion des risques [Termes IGN] image Streetview [Termes IGN] inondation [Termes IGN] milieu urbain [Termes IGN] planification urbaine [Termes IGN] Quickbird [Termes IGN] segmentation sémantique [Termes IGN] vulnérabilité Résumé : (auteur) Urban flood risk management requires an extensive investigation of the vulnerability characteristics of buildings. Large-scale field surveys usually cost a lot of time and money, while satellite remote sensing and street view images can provide information on the tops and facades of buildings respectively. Thereupon, this paper develops a building vulnerability assessment framework using remote sensing and street view features. Specifically, a UNet-based semantic segmentation model, FSA-UNet (Fusion-Self-Attention-UNet) is proposed to integrate remote sensing and street view features and the vulnerability information contained in the images is fully exploited. And the building vulnerability index is generated to provide the spatial distribution characteristics of urban building vulnerability. The experiment shows that the mIoU of the proposed model can reach 82% for building vulnerability classification in Hefei, China, which is more accurate than the traditional semantic segmentation models. The results indicate that the integration of street view and remote sensing image features can improve the ability of building vulnerability assessment, and the model proposed in this study can better capture the correlation features of multi-angle images through the self-attention mechanism and combines hierarchy features and edge information to improve the classification effect. This study can support for disaster management and urban planning. Numéro de notice : A2023-152 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.1016/j.scs.2023.104467 Date de publication en ligne : 23/02/2023 En ligne : https://doi.org/10.1016/j.scs.2023.104467 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=102826 [article]

High-resolution imaging from space: a world-wide survey (part 1 North America) / Gordon Petrie in Geoinformatics, vol 7 n° 1 (01/01/2004)

Public [article]  inGeoinformatics > vol 7 n° 1 (01/01/2004) . - pp 22 - 27 Titre : High-resolution imaging from space: a world-wide survey (part 1 North America) Type de document : Article/Communication Auteurs : Gordon Petrie, Auteur Année de publication : 2004 Article en page(s) : pp 22 - 27 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s) [Termes IGN] Etats-Unis [Termes IGN] Ikonos [Termes IGN] image à très haute résolution [Termes IGN] ORBVIEW [Termes IGN] Quickbird [Termes IGN] satellite militaire Résumé : (Auteur) My two previous overview articles on high-resolution imagery from space were published in the March 2001 and September 2002 issues of Geoinformafics. These were concerned mainly with the commercial providers of such imagery - since the vast majority of the readers of the magazine (and users in general) do not have access to the high-resolution imagery obtained from military reconnaissance satellites. However it has been apparent for some time that the largest consumers of high-resolution space imagery worldwide are those government agencies involved in intelligence gathering and in mapping for military purposes. Within this particular context, the commercial space imagery supplements the imagery gathered by dedicated reconnaissance satellites. At the recent ISPRS Workshop on "High Resolution Mapping from Space" held between 6th and 8th October 2003 at the University of Hannover, I was invited to present an overview on current developments and future trends in imaging and mapping from space covering the high-resolution imagery acquired from both commercial and military satellites. The present article is based on this presentation. Because of its length, the article has been divided into three main parts - concerned with developments in North America, Asia and Europe respectively. For the purposes of this overview, high-resolution imagery has been defined as that having a ground sampled distance (SD) or ground pixel size of 5m or smaller. Numéro de notice : A2004-558 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=27074 [article]

Voir aussi

• High-resolution imaging from space: a world-wide survey (part 2 Asia) / Gordon Petrie in Geoinformatics, vol 7 n° 2 (01/03/2004)

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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)

Public [article]  inGeoinformatics > vol 5 n° 1 (01/01/2002) . - pp 28 - 35 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] Quickbird Résumé : (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 [article]

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Commercial high resolution space imagery: a very high long gestation & a troubled birth !! / Gordon Petrie in Geoinformatics, vol 4 n° 2 (01/03/2001)

Public [article]  inGeoinformatics > vol 4 n° 2 (01/03/2001) . - pp 12 - 17 Titre : Commercial high resolution space imagery: a very high long gestation & a troubled birth !! Type de document : Article/Communication Auteurs : Gordon Petrie, Auteur Année de publication : 2001 Article en page(s) : pp 12 - 17 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Technologies spatiales [Termes IGN] commercialisation [Termes IGN] EROS [Termes IGN] image à haute résolution [Termes IGN] image satellite [Termes IGN] Quickbird [Termes IGN] SPOT Résumé : (Auteur) The last weeks of the year 2000 have seen very considerable activity in the area of commercial high-resolution satellites. On november 20th, EarthWatch's QuickBird-1 satellite was launched and failed to go into orbit. On december 5th, the Israeli-backed EROS-A1 satellite was launched successfully. On december 18th, the amirican authorities granted licences to Space Imaging and EarthWatch to construct and operate satellites capable of producing space images with a ground pixel size of half-a-metre. Having, over the last year, visited the three main american companies that are engaged in this area and having seen and heard quite a lot about their activities at first hand, the editors invited me to take a long view and try to give a reasonably coherent and balanced account of what has become a very controversial area. Numéro de notice : A2002-268 Affiliation des auteurs : non IGN Thématique : IMAGERIE/POSITIONNEMENT Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22179 [article]

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