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Postlaunch calibration of the NOAA-18 Advanced Microwave Sounding Unit-A / T. Mo in IEEE Transactions on geoscience and remote sensing, vol 45 n° 7 Tome 1 (July 2007)  

Public [article]  inIEEE Transactions on geoscience and remote sensing > vol 45 n° 7 Tome 1 (July 2007) . - pp 1928 - 1937 Titre : Postlaunch calibration of the NOAA-18 Advanced Microwave Sounding Unit-A Type de document : Article/Communication Auteurs : T. Mo, Auteur Année de publication : 2007 Article en page(s) : pp 1928 - 1937 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s) [Termes IGN] Advanced Microwave Sounding Unit [Termes IGN] étalonnage de capteur (imagerie) [Termes IGN] étalonnage en vol [Termes IGN] radiomètre à hyperfréquence [Termes IGN] température de luminance Résumé : (Auteur) The National Oceanic and Atmospheric Administration (NOAA)-18 Polar-orbiting Operational Environmental Satellite (POES) was successfully launched with the fourth Advanced Microwave Sounding Unit-A onboard in May 2005. After launch, a systematic postlaunch calibration and validation of the instrument performance was conducted with on-orbit data. A brief report of the initial assessment of the instrument performance is presented in this paper. Scan-by-scan examination of the radiometric calibration counts is employed to confirm normal functioning of the instrument and to detect any anomalous events, such as lunar contamination in the space radiometric counts, which are accurately detected, flagged, and corrected using a physical model of lunar surface temperature and antenna patterns derived from on-orbit data. The long-term trends of the space and warm calibration counts, channel gains, and housekeeping temperature sensors are monitored. Temperature sensitivity (or the noise-equivalent $Delta hbox{T}$) values for individual channels are also monitored since launch. The long-term temporal trends of the monthly averages and angular distributions of brightness temperature measurements from the NOAA-16 and -18 over the Amazon rain forest region are obtained and compared to demonstrate that the Amazon rain forest can be used as a hot reference calibration target. The establishment of a land calibration target is an important addition to the few tools available to date for calibration and validation of spaceborne microwave radiometers. Copyright IEEE Numéro de notice : A2007-172 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1109/TGRS.2007.897451 En ligne : https://doi.org/10.1109/TGRS.2007.897451 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28535 [article]

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Geometric consistency and stability of consumer-grade digital cameras for accurate spatial measurement / R. Wackrow in Photogrammetric record, vol 22 n° 118 (June - August 2007)  

Public [article]  inPhotogrammetric record > vol 22 n° 118 (June - August 2007) . - pp 121 - 134 Titre : Geometric consistency and stability of consumer-grade digital cameras for accurate spatial measurement Type de document : Article/Communication Auteurs : R. Wackrow, Auteur ; Jim H. Chandler, Auteur ; P. Bryan, Auteur Année de publication : 2007 Article en page(s) : pp 121 - 134 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] cohérence géométrique [Termes IGN] distorsion d'image [Termes IGN] élément d'orientation interne [Termes IGN] erreur systématique [Termes IGN] étalonnage de capteur (imagerie) [Termes IGN] Leica Photogrammetry Suite [Termes IGN] précision géométrique (imagerie) [Termes IGN] prise de vue terrestre Résumé : (Auteur) It is known that uncertain internal geometry of consumer-grade digital cameras limits the accuracy of data that can be extracted. These cameras can be calibrated, but the validity of calibration data over a period of time should be carefully assessed before subsequent photogrammetric measurement. This paper examines the geometric stability and manufacturing consistency of a typical low-cost digital camera (Nikon Coolpix 5400) by estimating the degree of similarity between interior orientation parameters (IOP), established over a 1-year period. Digital elevation models (DEMs) were extracted with differing IOP, and accuracies were compared using data obtained from seven identical cameras. An independent self-calibrating bundle adjustment (GAP) and the Leica Photogrammetry Suite (LPS) software were used to provide these data-sets. Results are presented that indicate the potential of these cameras to maintain their internal geometry in terms of temporal stability and manufacturing consistency. This study also identifies residual systematic error surfaces or ‘‘domes’’, discernible in ‘‘DEMs of difference’’. These are caused by slightly inaccurately estimated lens distortion parameters, which effectively constrain the accuracies achievable with this class of sensor. Copyright RS&PS + Blackwell Publishing Numéro de notice : A2007-363 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.1111/j.1477-9730.2007.00436.x En ligne : https://doi.org/10.1111/j.1477-9730.2007.00436.x Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28726 [article]

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106-07021	RAB	Revue	Centre de documentation	En réserve L003	Disponible

A review and analyses of plumb-line calibration / J.L. Lerma in Photogrammetric record, vol 22 n° 118 (June - August 2007)  

Public [article]  inPhotogrammetric record > vol 22 n° 118 (June - August 2007) . - pp 135 - 150 Titre : A review and analyses of plumb-line calibration Type de document : Article/Communication Auteurs : J.L. Lerma, Auteur ; Miriam Cabrelles, Auteur Année de publication : 2007 Article en page(s) : pp 135 - 150 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s) [Termes IGN] caméra numérique [Termes IGN] chambre non métrique [Termes IGN] distorsion radiale [Termes IGN] étalonnage de capteur (imagerie) [Termes IGN] fil à plomb Résumé : (Auteur) Radial and decentring distortion parameters have long been reported as fundamental elements in camera calibration, especially in digital close range photogrammetry. This paper reports on an investigation for the determination of both radial and decentring distortion parameters using analytical plumb-line calibration. Straight line patterns, ranging from 1, 2, 4, 10 and up to 20 lines, not strictly plumb, are examined on a set of distorted imagery. Additionally, not only the number of straight lines but also the linear image distribution is analysed. For that purpose, linear features have been distributed in different positions and orientations over the whole of the imagery. Furthermore, the relationship between the parameters mentioned and the location of the principal point is also analysed, and shows how sensitive they are to deviations from the centre of the sensor. The motivation for this paper is the measurement of the minimum number of linear features for proper calibration of non-metric digital cameras. Both radial and decentring distortion parameters are examined. Finally, some line patterns are recommended for making the plumb-line calibration technique a reliable, easy and fast procedure. Photogrammetrists could use it as a first step in the procedure of camera calibration; users who are not experts in photogrammetry could employ it as a final step. Copyright RS&PS + Blackwell Publishing Numéro de notice : A2007-364 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.1111/j.1477-9730.2007.00412.x En ligne : https://doi.org/10.1111/j.1477-9730.2007.00412.x Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28727 [article]

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Code-barres	Cote	Support	Localisation	Section	Disponibilité
106-07021	RAB	Revue	Centre de documentation	En réserve L003	Disponible

Cloud mapping with ground-based photogrammetric cameras / G. Seiz in International Journal of Remote Sensing IJRS, vol 28 n° 9 (May 2007)  

Public [article]  inInternational Journal of Remote Sensing IJRS > vol 28 n° 9 (May 2007) . - pp 2001 - 2032 Titre : Cloud mapping with ground-based photogrammetric cameras Type de document : Article/Communication Auteurs : G. Seiz, Auteur ; J. Shields, Auteur ; et al., Auteur Année de publication : 2007 Article en page(s) : pp 2001 - 2032 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Photogrammétrie numérique [Termes IGN] caméra numérique [Termes IGN] données météorologiques [Termes IGN] étalonnage géométrique [Termes IGN] étalonnage radiométrique [Termes IGN] modèle stéréoscopique [Termes IGN] nuage [Termes IGN] visualisation 3D Résumé : (Auteur) Ground-based digital imager systems in the visible and near infrared region of the solar spectrum have the potential to nicely complement existing instruments and observation networks of National Weather Services with very accurate, high spatial and temporal resolution, 2D and 3D macroscopic cloud data such as cloud amount, cloud-base height and 3D cloud-base motion. This paper discusses two current approaches to ground-based cloud sensing: the prototype instrument used at ETH/MeteoSwiss within Cloudmap and Cloudmap2 for stereoscopy tests, and a Daylight Visible/NIR Whole Sky Imager (WSI) system developed and fielded by the Scripps Institution of Oceanography (SIO). The article includes descriptions of the radiometric and geometric calibration methods. Cloud amount, cloud-base height and cloud-base motion results from two ETH/MeteoSwiss measurement campaigns and from the operational WSI use at the German Weather Service (DWD) are shown. Finally, a case study with coincident satellite and ground data illustrates that ground-based digital imager systems are an interesting technique to validate satellite-based cloud-top heights and cloud-top motion winds of vertically thin clouds. Copyright Taylor & Francis Numéro de notice : A2007-279 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/01431160600641822 En ligne : https://doi.org/10.1080/01431160600641822 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28642 [article]

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080-07051	RAB	Revue	Centre de documentation	En réserve L003	Exclu du prêt

An automatic approach for camera calibration from vanishing points / L. Grammatikopoulos in ISPRS Journal of photogrammetry and remote sensing, vol 62 n° 1 (May 2007)  

Public [article]  inISPRS Journal of photogrammetry and remote sensing > vol 62 n° 1 (May 2007) . - pp 64 - 76 Titre : An automatic approach for camera calibration from vanishing points Type de document : Article/Communication Auteurs : L. Grammatikopoulos, Auteur ; G.E. Karras, Auteur ; E. Petsa, Auteur Année de publication : 2007 Article en page(s) : pp 64 - 76 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Photogrammétrie numérique [Termes IGN] compensation par faisceaux [Termes IGN] étalonnage de chambre métrique [Termes IGN] orientation interne [Termes IGN] point de fuite Résumé : (Auteur) Camera calibration is a fundamental task in photogrammetry and computer vision. This paper presents an approach for the automatic estimation of interior orientation from images with three vanishing points of orthogonal directions. Extraction of image line segments and their clustering into groups corresponding to three dominant vanishing points are performed without any human interaction. Camera parameters (camera constant, location of principal point, and two coefficients of radial lens distortion) and the vanishing points are estimated in a one-step adjustment of all participating image points. The approach may function in a single image mode, but is also capable of handling input from independent images (i.e. images not necessarily of the same object) with three and/or two vanishing points in a common solution. The reported experimental tests indicate that, within certain limits, results from single images compare satisfactorily with those from multi-image bundle adjustment. Copyright ISPRS Numéro de notice : A2007-215 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.isprsjprs.2007.02.002 En ligne : https://doi.org/10.1016/j.isprsjprs.2007.02.002 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28578 [article]

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081-07031	SL	Revue	Centre de documentation	Revues en salle	Disponible

A rigorous laboratory calibration method for interior orientation of an airborne linear push-broom camera / Tianen Chen in Photogrammetric Engineering & Remote Sensing, PERS, vol 73 n° 4 (April 2007)  

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The MISR radiometric calibration process / Carol J. Bruegge in Remote sensing of environment, vol 107 n° 1-2 (15 March 2007)  

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MERIS in-flight spectral calibration / S. Delwart in International Journal of Remote Sensing IJRS, vol 28 n°3-4 (February 2007)  

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Mesure et étalonnage d'appareils de mesure topographique au sein du Landesamt für Vermessung und Geobasisinformation Rheinland-Pfalz / Thomas Hauswalt (2007)

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Performance analysis of integrated sensor orientation / A. Ip in Photogrammetric Engineering & Remote Sensing, PERS, vol 73 n° 1 (January 2007)  

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Stage de modélisation de bâtiments en 3D / Brice Virly (2007)

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Calibration of NOAA16 AVHRR over a desert site using MODIS data / Eric F. Vermote in Remote sensing of environment, vol 105 n° 3 (15/12/2006)  

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Automated metric calibration of colour digital cameras / S. Cronk in Photogrammetric record, vol 21 n° 116 (December 2006 - February 2007)  

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Mapping with orbview-3 images: information content of high-resolution satellite images / Hyseyin Topan in GIM international, vol 20 n° 12 (December 2006)

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Calibration and validation of digital airborne cameras / P. Boccardo in Revue Française de Photogrammétrie et de Télédétection, n° 183 (Septembre 2006)

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