Descripteur
Termes IGN > sciences naturelles > physique > métrologie > étalonnage > étalonnage d'instrument
étalonnage d'instrument |
Documents disponibles dans cette catégorie (492)
Ajouter le résultat dans votre panier
Visionner les documents numériques
Affiner la recherche Interroger des sources externes
Etendre la recherche sur niveau(x) vers le bas
Using optical projection in close-range photogrammetry for 6DOF sensor positioning / B. Zheng in Photogrammetric Engineering & Remote Sensing, PERS, vol 79 n° 1 (January 2013)
[article]
Titre : Using optical projection in close-range photogrammetry for 6DOF sensor positioning Type de document : Article/Communication Auteurs : B. Zheng, Auteur ; Y. Dong, Auteur ; A. Davies, Auteur ; B. Mullany, Auteur ; E. Morse, Auteur Année de publication : 2013 Article en page(s) : pp 79 - 86 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Photogrammétrie terrestre
[Termes IGN] étalonnage d'instrument
[Termes IGN] orientation du capteur
[Termes IGN] photogrammétrie métrologiqueRésumé : (Auteur) A novel, low cost, non-contact, six degrees of freedom (DOF) measurement technique is proposed that enables real-time measurement of a small lightweight module's location. Straight forward applications of the proposed technique include robot calibration by installing the module to the end effector of a robot arm, and head-tracking in a typical virtual reality environment by attaching the module to a human head. The technique is based on a combination of photogrammetry and optical pattern projection. The module generates an optical pattern that is observable on the surrounding walls, and photogrammetry is used to measure the absolute coordinates of features in the projected optical pattern with respect to a defined global coordinate system. By combining these absolute coordinates with the known angular information of the optical projection beams, a minimization algorithm can be used to extract the absolute coordinates and angular orientation of the module itself. Experimental agreement of 1 to 5 parts in 103 was obtained by translating the module over 0.9 m and by rotating it through 60°. Numerical simulations were conducted to demonstrate that optimum design of the projected pattern gives a lower associated measurement uncertainty than is possible by direct photogrammetric measurement with traditional tie points. This paper documents the proof of principle and describes how the measurement can be further improved. Numéro de notice : A2013-007 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.14358/PERS.79.1.79 En ligne : https://doi.org/10.14358/PERS.79.1.79 Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=32145
in Photogrammetric Engineering & Remote Sensing, PERS > vol 79 n° 1 (January 2013) . - pp 79 - 86[article]Absolute radiometric calibration of Earth radiation measurement on FY-3B and its comparison with CERES-Aqua data / H. Qiu in IEEE Transactions on geoscience and remote sensing, vol 50 n° 12 (December 2012)
[article]
Titre : Absolute radiometric calibration of Earth radiation measurement on FY-3B and its comparison with CERES-Aqua data Type de document : Article/Communication Auteurs : H. Qiu, Auteur ; L. Hu, Auteur ; Y. Zhang, Auteur ; et al., Auteur Année de publication : 2012 Article en page(s) : pp 4965 - 4974 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] analyse comparative
[Termes IGN] étalonnage radiométrique
[Termes IGN] image Aqua
[Termes IGN] image Aqua-CERES
[Termes IGN] image Feng-Yun
[Termes IGN] rayonnement terrestreRésumé : (Auteur) The Earth Radiation Measurement (ERM) instrument onboard FengYun (FY)-3B satellite observes the Earth's atmosphere through a narrow scanning field of view (NFOV) and a wide nonscanning FOV. For each field of view, the measurements are made from two broadband channels: a total waveband channel covering 0.2-50 um and a shortwave (SW) band covering 0.2-4.3 um. The validation to the ERM calibration was carried out by comparing the unfiltered longwave (LW) and SW radiances from ERM with those from Clouds and Earth's Radiation Energy System (CERES) flight model 3 onboard Earth Observing System Aqua satellite. While the ERM LW and SW radiances have a good correlation with CERES data, there is a systemic bias between the two data sets. A spectral correction is made for the ERM data using the CERES data. After the correction, the error of the ERM LW radiance is reduced from -3.00 to -0.60 W/sr · m2. For the SW radiance, the bias is reduced from 6.00 to 4.00 W/sr · m2. Based on the ERM in-orbit calibration data, the stability of the ERM LW radiometric response is analyzed, and it is shown that the gains are stable with a variation of less than 1.5% during its first 9 months in orbit. However, the gains at the SW channels have larger changes and exceed 3%. These drifts might be caused by the detector degradation. Also, the NFOV scanner at the SW channel is no longer working after its 8 months in orbit. Numéro de notice : A2012-648 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1109/TGRS.2012.2202668 Date de publication en ligne : 16/07/2012 En ligne : https://doi.org/10.1109/TGRS.2012.2202668 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=32094
in IEEE Transactions on geoscience and remote sensing > vol 50 n° 12 (December 2012) . - pp 4965 - 4974[article]Réservation
Réserver ce documentExemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 065-2012121 RAB Revue Centre de documentation En réserve L003 Disponible Cross-calibration of the total ozone unit (TOU) with the ozone monitoring instrument (OMI) and SBUV/2 for environmental applications / W. Wang in IEEE Transactions on geoscience and remote sensing, vol 50 n° 12 (December 2012)
[article]
Titre : Cross-calibration of the total ozone unit (TOU) with the ozone monitoring instrument (OMI) and SBUV/2 for environmental applications Type de document : Article/Communication Auteurs : W. Wang, Auteur ; L. Flynn, Auteur ; X. Zhang, Auteur ; Y. Wang, Auteur ; et al., Auteur Année de publication : 2012 Article en page(s) : pp 4943 - 4955 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] bande ultraviolet
[Termes IGN] environnement
[Termes IGN] étalonnage d'instrument
[Termes IGN] Ozone Monitoring Instrument
[Termes IGN] régressionRésumé : (Auteur) A cross-sensor calibration technique is developed and applied to improve upon the prelaunch radiance calibration and characterization for the Total Ozone Unit (TOU) onboard the FengYun-3/A satellite. The Level 3 products from the National Aeronautics and Space Administration Ozone Monitoring Instrument (OMI) onboard the Earth Observing System Aura are used as input to a radiative transfer model to predict the TOU radiances and characterize the biases for the measurements over the Pacific Ocean in low- and midlatitudes. The coefficients are derived from a regression algorithm to adjust the TOU radiances. It is shown that, after the measurement bias correction, the biases between the retrieved total column ozone products from the TOU with those from the OMI Total Ozone Mapping Spectrometer (TOMS)-Version 8 products and those from a set of ground-based station measurements are 3 % and 5% , respectively. The variations in the estimated total ozone amounts from the TOU are consistent with those derived from Solar Backscatter Ultraviolet Radiometer instruments and OMI for a period from January 2010 to February 2011. Numéro de notice : A2012-647 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1109/TGRS.2012.2210902 Date de publication en ligne : 17/09/2012 En ligne : https://doi.org/10.1109/TGRS.2012.2210902 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=32093
in IEEE Transactions on geoscience and remote sensing > vol 50 n° 12 (December 2012) . - pp 4943 - 4955[article]Réservation
Réserver ce documentExemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 065-2012121 RAB Revue Centre de documentation En réserve L003 Disponible EDM calibration and finding errors in the baseline / D. C. Annunciation in SaLIS Surveying and land information science, vol 72 n° 4 (December 2012)
[article]
Titre : EDM calibration and finding errors in the baseline Type de document : Article/Communication Auteurs : D. C. Annunciation, Auteur ; C. J. Blitz, Auteur ; T. J. Brown, Auteur ; et al., Auteur Année de publication : 2012 Article en page(s) : pp 189 - 193 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Nivellement
[Termes IGN] altimétrie
[Termes IGN] étalonnage d'instrument
[Termes IGN] modèle numérique de surface
[Termes IGN] stationRésumé : (Auteur) This paper describes the methodology used to calibrate a set of six total stations over a typical NGS Calibrated Baseline (CBL), together with the results obtained. The methodology was extended to allow for the correction of some additional systematic errors in the EDM. It is presented to allow others to examine the processes used, and possibly adopt them for their own use when calibrating EDM over an NGS CBL. The measurements indicated that the 0 m point on the CBL had moved from its calibrated location by approximately 0.007 m (7 mm). Examination of the ground mark indicated a significant gouge on the brass plaque, consistent with an impact from a snow-clearing blade. This suggests that while the concrete remained intact, the brass plaque was deformed by the impact, and the zero point moved 0.007 m, lengthening lines connecting to the 0 m mark. Numéro de notice : A2004-394 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=73868
in SaLIS Surveying and land information science > vol 72 n° 4 (December 2012) . - pp 189 - 193[article]Réservation
Réserver ce documentExemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 121-2012041 RAB Revue Centre de documentation En réserve L003 Disponible Introduction to a portable stereo mapping system for unmanned vehicles / Julien Li-Chee-Ming in Geomatica, vol 66 n° 4 (December 2012)
[article]
Titre : Introduction to a portable stereo mapping system for unmanned vehicles Type de document : Article/Communication Auteurs : Julien Li-Chee-Ming, Auteur ; Costas Armenakis, Auteur Année de publication : 2012 Article en page(s) : pp 323 - 332 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] centrale inertielle
[Termes IGN] drone
[Termes IGN] étalonnage d'instrument
[Termes IGN] géoréférencement direct
[Termes IGN] GPS en mode différentiel
[Termes IGN] GPS-INS
[Termes IGN] microsystème électromécanique
[Termes IGN] modèle stéréoscopique
[Termes IGN] système de numérisation mobile
[Termes IGN] véhicule sans piloteRésumé : (Auteur) This work introduces a Mobile Stereo Mapping System (MSMS) designed for remote operation onboard unmanned vehicles for navigation and rapid collection of 3D spatial data through direct georeferencing and integration of optical and multiple navigation sensors. By avoiding the need for ground control points, the system offers a low-cost mapping solution for both kinematic and static cases, rapid deployments, high data resolutions, and low risk to operators. Position estimation of the camera is based on differential GPS, loosely coupled in a Kalman filter with a low-cost Micro Electro-Mechanical Systems (MEMS) based Inertial Measurement Unit (IMU). Attitude is estimated from gyroscope data, aided by accelerometer and magnetometer data to compensate for gyro drift. Two low-cost consumer digital cameras are calibrated and time-synchronized with the GPS/IMU to provide directly georeferenced stereo imagery. The MSMS determines mapping coordinates using photogrammetric solutions modified for direct georeferencing. A calibration process has been developed for the sensor components and the integrated system itself to determine systematic errors and biases, and to determine the relative geometry of the sensors. Object space accuracies (Root Mean Square Error (RMSE)) in the range of 1/100 at camera-to-object distances of about 30m were achieved using wide baseline overlapping images taken from two separate positions of the stereo-metric MSMS. The system design and the calibration and mapping accuracy of the MSMS are presented and assessed using field testing. Numéro de notice : A2012-658 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.5623/cig2012-057 En ligne : https://doi.org/10.5623/cig2012-057 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=32104
in Geomatica > vol 66 n° 4 (December 2012) . - pp 323 - 332[article]Réservation
Réserver ce documentExemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 035-2012041 SL Revue Centre de documentation Revues en salle Disponible vol 50 n° 12 - December 2012 - Special issue on the chinese fengyun (FY)-3 satellite instrument calibration and applications (Bulletin de IEEE Transactions on geoscience and remote sensing) / Geoscience and remote sensing societyPermalinkStereopolis 2: A multi-purpose and multi-sensor 3D mobile mapping system for street visualisation and 3D metrology / Nicolas Paparoditis in Revue Française de Photogrammétrie et de Télédétection, n° 200 (Novembre 2012)PermalinkA flexible mathematical method for calibration in digital aerial photogrammetry / Rongfu Tang in Photogrammetric Engineering & Remote Sensing, PERS, vol 78 n° 10 (October 2012)PermalinkLidar strip adjustment with automatically reconstructed roof shapes / M. Rentsch in Photogrammetric record, vol 27 n° 139 (September - November 2012)PermalinkTanDEM-X calibrated Raw DEM generation / C. Rossi in ISPRS Journal of photogrammetry and remote sensing, vol 73 (September 2012)PermalinkThe influence of subpixel measurement on digital camera calibration / Mauricio Galo in Revue Française de Photogrammétrie et de Télédétection, n° 198 - 199 (Septembre 2012)PermalinkMonitoring GOCE gradiometer calibration parameters using accelerometer and star sensor data: methodology and first results / C. Siemes in Journal of geodesy, vol 86 n° 8 (August 2012)PermalinkOff-line vs. On-line calibration of a panoramic-based mobile mapping system / Bertrand Cannelle in ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, vol I-3 (2012)PermalinkFast AT: a simple procedure for quasi direct orientation / M. Blazquez in ISPRS Journal of photogrammetry and remote sensing, vol 71 (July 2012)PermalinkNew rigorous and flexible Fourier self-calibration models for airborne camera calibration / Rongfu Tang in ISPRS Journal of photogrammetry and remote sensing, vol 71 (July 2012)Permalink