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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]

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• 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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Ikonos satellite, imagery, and products / G. Dial in Remote sensing of environment, vol 88 n° 1 (30/11/2003)  

Public [article]  inRemote sensing of environment > vol 88 n° 1 (30/11/2003) . - pp 23 - 36 Titre : Ikonos satellite, imagery, and products Type de document : Article/Communication Auteurs : G. Dial, Auteur ; H. Bowen, Auteur ; F. Gerlach, Auteur ; J. Grodecki, Auteur ; R. Olesczuk, Auteur Année de publication : 2003 Article en page(s) : pp 23 - 36 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s) [Termes IGN] correction d'image [Termes IGN] correction géométrique [Termes IGN] correction radiométrique [Termes IGN] Ikonos [Termes IGN] image à résolution métrique [Termes IGN] image à très haute résolution [Termes IGN] image Ikonos [Termes IGN] image multibande [Termes IGN] image panchromatique [Termes IGN] orbite héliosynchrone [Termes IGN] système spatial Résumé : (Auteur) The IKONOS satellite simultaneously collects 1-m panchromatic and 4-m multispectral images, providing the commercial and scientific community with a dramatic improvement in spatial resolution over previously available satellite imagery. The sun-synchronous IKONOS orbit provides global coverage, consistent access times, and near-nadir viewing angles. The system is capable of 1:10,000 scale mapping without ground control and 1:2400 scale mapping with ground control. The IKONOS ground station produces radiometrically corrected images, georectified images, orthorectified images, stereo pairs, and digital elevation models (DEMs) for image analysis photogrammetric and cartographic applications. This article provides an overview of the IKONOS satellite, ground systems, products, and applications. Numéro de notice : A2003-329 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.rse.2003.08.014 En ligne : https://doi.org/10.1016/j.rse.2003.08.014 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22625 [article]

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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