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Spatial analysis of high-resolution urban thermal patterns in Vojvodina, Serbia / Dusan Jovanovic in Geocarto international, vol 30 n° 5 - 6 (May - July 2015)  

Public [article]  inGeocarto international > vol 30 n° 5 - 6 (May - July 2015) . - pp 483 - 505 Titre : Spatial analysis of high-resolution urban thermal patterns in Vojvodina, Serbia Type de document : Article/Communication Auteurs : Dusan Jovanovic, Auteur ; Miro Govedarica, Auteur ; Filip Sabo, Auteur ; et al., Auteur Année de publication : 2015 Article en page(s) : pp 483 - 505 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Analyse spatiale [Termes IGN] couvert végétal [Termes IGN] DMC [Termes IGN] image Landsat-ETM+ [Termes IGN] image Landsat-TM [Termes IGN] image Worldview [Termes IGN] occupation du sol [Termes IGN] régression linéaire [Termes IGN] Serbie [Termes IGN] surface imperméable [Termes IGN] température au sol Résumé : (auteur) Main objective of this study was to establish a relationship between land cover and land surface temperature (LST) in urban and rural areas. The research was conducted using Landsat, WorldView-2 (WV-2) and Digital Mapping Camera. Normalised difference vegetation index and normalised difference built-up index were used for establishing the relation between built-up area, vegetation cover and LST for spatial resolution of 30 m. Impervious surface and vegetation area generated from Digital Mapping Camera from Intergraph and WV-2 were used to establish the relation between built-up area, vegetation cover and LST for spatial resolutions of 0.1, 0.5 and 30 m. Linear regression models were used to determine the relationship between LST and indicators. Main contribution of this research is to establish the use of combining remote sensing sensors with different spectral and spatial resolution for two typical settlements in Vojvodina. Correlation coefficients between LST and LST indicators ranged from 0.602 to 0.768. Numéro de notice : A2015-293 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/10106049.2014.985747#abstract Date de publication en ligne : 11/12/2014 En ligne : http://www.tandfonline.com/doi/full/10.1080/10106049.2014.985747#abstract Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=76441 [article]

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Calibrating and validating multispectral 3D imaging systems at a permanent test site: case study with an Intergraph DMC / Eija Honkavaara in Photogrammetric record, vol 26 n° 134 (June - August 2011)  

Public [article]  inPhotogrammetric record > vol 26 n° 134 (June - August 2011) . - pp 229 - 249 Titre : Calibrating and validating multispectral 3D imaging systems at a permanent test site: case study with an Intergraph DMC Type de document : Article/Communication Auteurs : Eija Honkavaara, Auteur ; K. Nurminen, Auteur ; Lauri Markelin, Auteur ; J. Suomalainen, Auteur ; Risto Ilves, Auteur Année de publication : 2011 Article en page(s) : pp 229 - 249 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s) [Termes IGN] capteur multibande [Termes IGN] chambre DTC [Termes IGN] DMC [Termes IGN] étalonnage de chambre métrique [Termes IGN] Finlande [Termes IGN] modèle numérique de surface [Termes IGN] qualité géométrique (image) [Termes IGN] qualité radiométrique (image) [Termes IGN] test de performance Résumé : (Auteur) Novel photogrammetric sensors open up new possibilities for measuring the radiometric and geometric properties of the Earth’s surface. To ensure optimal use of these complex, rapidly developing, diverse systems, it is becoming crucial to have a means of calibrating and validating complete imaging systems, and even production lines, in operational conditions. This paper presents a calibration and validation methodology based on a permanent test site (Sjökulla) and demonstrates its use in a calibration and validation campaign for a large-format photogrammetric imaging system, the Intergraph DMC. The major objective of the campaign was to perform acceptance testing of the new camera system procured by the National Land Survey of Finland. The evaluation proved the high geometric and radiometric performance of the imaging system and demonstrated the potential of spectrodirectional photogrammetric 3D imaging. The usability aspects of test site calibration and validation from the point of view of a mapping organisation were also considered. Numéro de notice : A2011-242 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.1111/j.1477-9730.2011.00634.x Date de publication en ligne : 06/06/2019 En ligne : https://doi.org/10.1111/j.1477-9730.2011.00634.x Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31020 [article]

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Comparison of DMC, UltraCam, and ADS40 imagery for benthic habitat and propeller scar mapping / K. Green in Photogrammetric Engineering & Remote Sensing, PERS, vol 77 n° 6 (June 2011)  

Public [article]  inPhotogrammetric Engineering & Remote Sensing, PERS > vol 77 n° 6 (June 2011) . - pp 589 - 599 Titre : Comparison of DMC, UltraCam, and ADS40 imagery for benthic habitat and propeller scar mapping Type de document : Article/Communication Auteurs : K. Green, Auteur ; M. Tukman, Auteur ; M. Finkbeiner, Auteur Année de publication : 2011 Article en page(s) : pp 589 - 599 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s) [Termes IGN] ADS40 [Termes IGN] analyse comparative [Termes IGN] caméra numérique [Termes IGN] DMC [Termes IGN] fond marin [Termes IGN] habitat animal [Termes IGN] herbier marin [Termes IGN] image aérienne [Termes IGN] instrumentation Intergraph [Termes IGN] instrumentation Leica [Termes IGN] Mexique (golfe du) [Termes IGN] Propulseur [Termes IGN] UltraCam Résumé : (Auteur) This article compares the use of ADS40-52, DMC, and Ultra-CamD digital airborne camera imagery for mapping benthic habitat and identifying boat propeller scars in seagrass habitats. The three image data sets were collected over Redfish Bay, Texas on the same day, under almost identical environmental conditions. Next, the data sets were compared to each another using a variety of criteria. Finally, automated methods were used to create maps of propeller scars and the accuracy of each map was analyzed. Significant findings include: 1- Digital airborne ADS40-52, DMC, and Ultra-Cam imagery can be used to effectively map benthic habitat and propeller scars. 2- Imagery from the DMC and ADS40-52 had the highest spatial accuracy. 3- Spectral separatability of benthic habitat class and propeller scars is best in the DMC and the ADS40-52 imagery. 4- The accuracy of propeller scar maps was highest for maps produced from the ADS40-52 data. Numéro de notice : A2011-255 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.14358/PERS.77.6.589 En ligne : https://doi.org/10.14358/PERS.77.6.589 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31033 [article]

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The EuroSDR project "radiometric aspects of digital photogrammetric images" : results of the empirical phase / Eija Honkavaara (01/06/2011)  

Public Titre : The EuroSDR project "radiometric aspects of digital photogrammetric images" : results of the empirical phase Type de document : Article/Communication Auteurs : Eija Honkavaara, Auteur ; Roman Arbiol, Auteur ; Lauri Markelin, Auteur ; Lucas Martinez, Auteur ; Mathieu Brédif , Auteur ; Laure Chandelier , Auteur ; Lâmân Lelégard , Auteur ; et al., Auteur Editeur : Helsinki : Finnish Geodetic Institute FGI Année de publication : 01/06/2011 Conférence : ISPRS 2011, High-Resolution Earth Imaging for Geospatial Information workshop 14/06/2011 17/06/2011 Hanovre Allemagne OA ISPRS Archives Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s) [Termes IGN] ADS40 [Termes IGN] DMC [Termes IGN] étalonnage de capteur (imagerie) [Termes IGN] étalonnage géométrique [Termes IGN] étalonnage radiométrique [Termes IGN] réflectance [Termes IGN] uniformisation d'histogramme Résumé : (Auteur) This article presents the empirical research carried out in the context of the multi-site EuroSDR project “Radiometric aspects of digital photogrammetric images” and provides highlights of the results. The investigations have considered the vicarious radiometric and spatial resolution validation and calibration of the sensor system, radiometric processing of the image blocks either by performing relative radiometric block equalization or into absolutely reflectance calibrated products, and finally aspects of practical applications on NDVI layer generation and tree species classification. The data sets were provided by Leica Geosystems ADS40 and Intergraph DMC and the participants represented stakeholders in National Mapping Authorities, software development and research. The investigations proved the stability and quality of evaluated imaging systems with respect to radiometry and optical system. The first new-generation methods for reflectance calibration and equalization of photogrammetric image block data provided promising accuracy and were also functional from the productivity and usability points of view. The reflectance calibration methods provided up to 5% accuracy without any ground reference. Application oriented results indicated that automatic interpretation methods will benefit from the optimal use of radiometrically accurate multi-view photogrammetric imagery. Numéro de notice : C2011-054 Affiliation des auteurs : MATIS+Ext (1993-2011) Thématique : IMAGERIE Nature : Communication DOI : 10.5194/isprsarchives-XXXVIII-4-W19-123-2011 Date de publication en ligne : 07/09/2012 En ligne : http://dx.doi.org/10.5194/isprsarchives-XXXVIII-4-W19-123-2011 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=64373

Radiometric stability assessment of an airborne photogrammetric sensor in a test field / Lauri Markelin in ISPRS Journal of photogrammetry and remote sensing, vol 65 n° 4 (July - August 2010)  

Public [article]  inISPRS Journal of photogrammetry and remote sensing > vol 65 n° 4 (July - August 2010) . - pp 409 - 421 Titre : Radiometric stability assessment of an airborne photogrammetric sensor in a test field Type de document : Article/Communication Auteurs : Lauri Markelin, Auteur ; Eija Honkavaara, Auteur ; Teemu Hakala, Auteur ; et al., Auteur Année de publication : 2010 Article en page(s) : pp 409 - 421 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s) [Termes IGN] capteur aérien [Termes IGN] chambre métrique [Termes IGN] DMC [Termes IGN] étalonnage radiométrique Résumé : (Auteur) Radiometric stability is a desired property of digital photogrammetric large-format sensors. This article presents a methodology for determining the radiometric stability of airborne imaging sensors in operational conditions in a test field and the results of stability evaluation of a large-format photogrammetric frame sensor DMC, from Intergraph. The imagery was collected in two days using nine different exposure settings, and images collected with variable exposure time and aperture were compared. The results showed promising stability in many cases, up to a level of 2% of the radiance, but less favorable results also appeared. Possible reasons for the unfavorable results could be the limitations of the experimental set-up or the instability of the sensor. DMC showed high radiometric performance potential, but high sensitivity to the exposure settings. Based on the results, recommendations for the future test field calibration and validation procedures were given. One limitation of the analysis was the insufficient information about the sensor stability potential; proposals were given to sensor manufacturers concerning the necessary information. Numéro de notice : A2010-300 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.isprsjprs.2010.05.003 En ligne : https://doi.org/10.1016/j.isprsjprs.2010.05.003 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=30494 [article]

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The Intergraph DMC 2 camera range: new large-format airborne digital frame cameras / Gordon Petrie in Geoinformatics, vol 13 n° 5 (01/07/2010)

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Die Entwicklung photogrammetrischer Verfahren und Instrumente bei Carl Zeiss in Oberkochen / D. Hobbie (2010)

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DMC geometry analysis and virtual image characterisation / R. Alamus in Photogrammetric record, vol 23 n° 124 (December 2008 - February 2009)  

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Radiometric calibration and characterization of large-format digital photogrammetric sensors in a test field / Lauri Markelin in Photogrammetric Engineering & Remote Sensing, PERS, vol 74 n° 12 (December 2008)  

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Evaluation of resolving power and MTF of DMC / Eija Honkavaara in Revue Française de Photogrammétrie et de Télédétection, n° 183 (Septembre 2006)  

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Image restoration for resolution improvement of digital aerial images: a comparison of large format digital cameras / S. Becker in Revue Française de Photogrammétrie et de Télédétection, n° 183 (Septembre 2006)  

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Is there an ideal digital aerial camera? / Jean-Philippe Souchon in Revue Française de Photogrammétrie et de Télédétection, n° 183 (Septembre 2006)    

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Studies on DMC geometry / R. Alamus in ISPRS Journal of photogrammetry and remote sensing, vol 60 n° 6 (September 2006)  

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Tests and performance evaluation of DMC images and new methods for their processing / Li Zhang in Revue Française de Photogrammétrie et de Télédétection, n° 183 (Septembre 2006)

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Automated techniques for environmental monitoring and change analyses for ultra high resolution remote sensing data / Manfred Ehlers in Photogrammetric Engineering & Remote Sensing, PERS, vol 72 n° 7 (July 2006)  

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