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A low-cost integrated MEMS-based INS/GPS vehicle navigation system with challenging conditions based on an optimized IT2FNN in occluded environments / Elahe S. Abdolkarimi in GPS solutions, Vol 24 n° 4 (October 2020)
[article]
Titre : A low-cost integrated MEMS-based INS/GPS vehicle navigation system with challenging conditions based on an optimized IT2FNN in occluded environments Type de document : Article/Communication Auteurs : Elahe S. Abdolkarimi, Auteur ; Mohammad-Reza Mosavi, Auteur Année de publication : 2020 Article en page(s) : 19 p. Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie spatiale
[Termes IGN] centrale inertielle
[Termes IGN] classification floue
[Termes IGN] classification par réseau neuronal
[Termes IGN] filtrage du bruit
[Termes IGN] filtre de Kalman
[Termes IGN] GPS-INS
[Termes IGN] microsystème électromécanique
[Termes IGN] modèle d'incertitude
[Termes IGN] rapport signal sur bruit
[Termes IGN] transformation en ondelettesRésumé : (auteur) Integration of both global positioning system (GPS) and inertial navigation system (INS) assures a continuous and accurate navigation system. In low-cost low-precision micro-electromechanical system (MEMS)-based INS/GPS integration navigation systems, one of the major concerns is high-level stochastic noise and uncertainties existing in INS sensors and complex model of real noisy data. In such uncertainty-oriented environments, an intelligence structure with extra degrees of freedom which can handle and model a high-level of uncertainties in INS sensors, and an efficient denoising technique as a precursor to the intelligence structure can be efficient solutions. Our approach to these problems is taken in different steps. First, a denoising technique based on empirical mode decomposition (EMD) is used to provide more accurate INS sensor outputs and better generalization ability. Second, an optimized interval type-2 fuzzy neural network is used to model and handle a high-level of uncertainties efficiently and estimate the positioning error of INS sensors when GPS signals are blocked, and still meet both accuracy maximization and complexity minimization. Fast learning and convergence of the algorithm and less computational complexity can be achieved by using an extended Kalman filter in the learning of algorithm and an accurate and simple type-reduction, respectively, which can be utilized in real-time applications with significant performance. The results of EMD-based denoising technique, as a preprocessing phase, verify superior performance in comparison with the discrete wavelet transform denoising method in the signal-to-noise ratio improvement for raw and noisy signals of INS sensors. To verify the effectiveness of our proposed model, we applied challenging conditions consisting of low-cost low-precision inertial sensors based on MEMS technology, long-term outages of GPS satellites, a high-speed experimental test vehicle and noisy real-world data in the real-time flight experiments. The achieved experimental accuracies are compared with the results that we have achieved in other methods, and our proposed method verifies significant improvements. Numéro de notice : A2020-521 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1007/s10291-020-01023-9 Date de publication en ligne : 18/08/2020 En ligne : https://doi.org/10.1007/s10291-020-01023-9 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=95692
in GPS solutions > Vol 24 n° 4 (October 2020) . - 19 p.[article]Wavelet-adaptive neural subtractive clustering fuzzy inference system to enhance low-cost and high-speed INS/GPS navigation system / Elahe S. Abdolkarimi in GPS solutions, vol 24 n° 2 (April 2020)
[article]
Titre : Wavelet-adaptive neural subtractive clustering fuzzy inference system to enhance low-cost and high-speed INS/GPS navigation system Type de document : Article/Communication Auteurs : Elahe S. Abdolkarimi, Auteur ; Mohammad-Reza Mosavi, Auteur Année de publication : 2020 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Navigation et positionnement
[Termes IGN] centrale inertielle
[Termes IGN] coût
[Termes IGN] filtre de Kalman
[Termes IGN] GPS-INS
[Termes IGN] imprécision des données
[Termes IGN] incertitude des données
[Termes IGN] Inférence floue
[Termes IGN] précision du positionnement
[Termes IGN] rapport signal sur bruit
[Termes IGN] transformation en ondelettes
[Termes IGN] vitesse de déplacementRésumé : (auteur) The combined navigation system consisting of Global Positioning System (GPS) and Inertial Navigation System in a complementary mode assures an accurate, reliable, and continuous positioning capability in the navigation system. Because of problems such as dealing with a low-cost MEMS-based inertial sensors having a high level of uncertainty and imprecision, stochastic noise, a high-speed vehicle, high noisy real data, and long-term GPS signal outage during the real-time flight test, the advantage is taken for some approaches in different steps: (1) utilizing discrete wavelet transform technique to enhance the signal-to-noise ratio in raw and noisy inertial sensor signals and attenuate high-frequency noise as a preprocessing phase to prepare more accurate data for the proposed model and (2) employing adaptive neural subtractive clustering fuzzy inference system (ANSCFIS) which combines and extracts the best feature of adaptive neuro-fuzzy inference system (ANFIS), and the subtractive clustering algorithm with fewer rules than the ANFIS method, aiming to improve a more efficient, accurate, and especially a faster method which enhances the prediction accuracy and speeds up the positioning system. The achieved accuracies for the proposed model are discussed and compared with the extended Kalman filter (EKF), ANFIS, and ANSCFIS which are implemented and tested experimentally using a high-speed vehicle in three GPS blockages. The proposed model shows considerable improvements in high-speed navigation using low-cost MEMS-based inertial sensors in case of long-term GPS blockage. Numéro de notice : A2020-084 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1007/s10291-020-0951-y Date de publication en ligne : 11/01/2020 En ligne : https://doi.org/10.1007/s10291-020-0951-y Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=94654
in GPS solutions > vol 24 n° 2 (April 2020)[article]On the adjustment, calibration and orientation of drone photogrammetry and laser-scanning / Emmanuel Clédat (2020)
Titre : On the adjustment, calibration and orientation of drone photogrammetry and laser-scanning Type de document : Thèse/HDR Auteurs : Emmanuel Clédat , Auteur ; Jan Skaloud, Directeur de thèse ; Davide Antonio Cucci, Directeur de thèse Editeur : Lausanne : Ecole Polytechnique Fédérale de Lausanne EPFL Année de publication : 2020 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Photogrammétrie numérique
[Termes IGN] centrale inertielle
[Termes IGN] compensation par bloc
[Termes IGN] données lidar
[Termes IGN] données localisées 3D
[Termes IGN] étalonnage de chambre métrique
[Termes IGN] fusion de données
[Termes IGN] GPS-INS
[Termes IGN] image captée par drone
[Termes IGN] optimisation (mathématiques)
[Termes IGN] point d'appui
[Termes IGN] vision par ordinateurRésumé : (auteur) Centimetre level precision mapping is essential for many applications such as land-use, infrastructure inspection, cultural heritage preservation, and construction site monitoring. However, the acquisition and its preparation (in particular the setting of a ground control point network (GCPs)) are still expensive or even impossible in cluttered or dangerous areas. The recent development of UAVs together with the miniaturization of the sensors is a promising evolution for reducing costs and expand opportunities. The sensors embedded on the drone: GNSS antenna, IMU, camera and (optional) LIDAR are light and often low-cost. The low quality of their raw measurements must be counterbalanced by their rigorous modeling in order to obtain accurate final results: if we cannot expect the sensors to be error-free, one must model these in order to correct them. This is achieved by in-situ calibration or on a dedicated calibration field, together with a rigorous fusion of the raw data acquired by the different sensors with the so-called bundle-adjustment method. This thesis proposes several models to describe the behavior of the sensors, in order to hybridize them rigorously in the bundle-adjustment. Consistent datasets have been acquired on the field specifically to assess the relevance of both the sensor models and their hybridizing in complex photogrammetric processing. The contribution of this thesis could be divided into two mains categories. On one hand, this thesis suggests tools and recommendation to improve directly the procedures achieved by end-users using current UAV-mapping commercial solutions (in particular for the GCPs placement, for the choice of the camera calibration and model and for the flight-plan). On the other hand, this thesis put forward exotic methods (methods considered as exotic at the time of the writing of the thesis) such as Photo-LIDAR hybridizing and collaborative mapping achieved by a terrestrial-aerial tandem (a terrestrial vehicle holding a LIDAR, GNSS, imaging and inertial sensors followed by a drone conceived to proceed to airborne photogrammetry) or an aerial-aerial tandem (two drones flying in formation to proceed to airborne photogrammetry). The contribution of this thesis will permit to reduce costs, to improve the quality of mapping products and to enlarge the possibilities of mapping: in particular, map cluttered or inaccessible zones which are nowadays considered as difficult or even impossible to map. Numéro de notice : 17737 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Thèse étrangère Organisme de stage : Laboratoire de topométrie (EPFL) DOI : 10.5075/epfl-thesis-7826 En ligne : https://doi.org/10.5075/epfl-thesis-7826 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=100752 Geometric and statistical interpretation of correlation between fault tests in integrated GPS/INS systems / Ali Almagbile in Journal of applied geodesy, vol 13 n° 3 (July 2019)
[article]
Titre : Geometric and statistical interpretation of correlation between fault tests in integrated GPS/INS systems Type de document : Article/Communication Auteurs : Ali Almagbile, Auteur Année de publication : 2019 Article en page(s) : pp 267 – 278 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie spatiale
[Termes IGN] coefficient de corrélation
[Termes IGN] détection d'erreur
[Termes IGN] données GPS
[Termes IGN] erreur de positionnement
[Termes IGN] fiabilité des données
[Termes IGN] GPS-INS
[Termes IGN] incertitude géométriqueRésumé : (auteur) Fault detection and identification (FDI) in either a stand-alone GPS or in integrated GPS/INS systems is essential for improving the quality of positioning, navigation, and many other applications. The assumption that the observations include a single fault has been considered intensively in literature. However, this assumption may not necessarily be valid due to the fact that multiple faults may exist simultaneously. In this study, separability of multiple faults in GPS/INS integration systems has been analysed geometrically and statistically. This has been achieved through testing how large correlation coefficient between any pair of fault tests statistics increases the probability of faults misidentification. In addition, a new calculation procedure of correlation coefficient when four faults appear in the observations has been developed. This procedure considers calculation the correlation between a single and a punch of measurements combined together. The results show that there is a strong relationship between the value of correlation coefficient and the probability of misidentification. Furthermore, a significant relationship between the correlation and the fault test values can be found when splitting the measurements combinations into groups based on the combination similarity. Nevertheless, this relationship can be defined without splitting the measurements into groups when using a new correlation procedure for four faults case. The geometric representation shows that large correlation coefficient reflects small angle between the correlation and the x-axis; whereas the angle between the fault-test vectors and the x-axis becomes wider when a tiny correlation exist. Numéro de notice : A2019-287 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1515/jag-2019-0008 Date de publication en ligne : 05/06/2019 En ligne : https://doi.org/10.1515/jag-2019-0008 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=93123
in Journal of applied geodesy > vol 13 n° 3 (July 2019) . - pp 267 – 278[article]On constrained integrated total Kalman filter for integrated direct geo-referencing / Vahid Mahboub in Survey review, vol 51 n° 364 (January 2019)
[article]
Titre : On constrained integrated total Kalman filter for integrated direct geo-referencing Type de document : Article/Communication Auteurs : Vahid Mahboub, Auteur ; Mohammad Saadatseresht, Auteur ; Alireza A. Ardalan, Auteur Année de publication : 2019 Article en page(s) : pp 26 - 34 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement du signal
[Termes IGN] filtrage du bruit
[Termes IGN] filtre de Kalman
[Termes IGN] géoréférencement direct
[Termes IGN] GPS-INS
[Termes IGN] invariant
[Termes IGN] matrice de covariance
[Termes IGN] modèle dynamiqueRésumé : (Auteur) A constrained integrated total Kalman filter algorithm is developed. It considers a quadratic constraint which may appear in some problems of integrated direct geo-referencing in particular when INS data is used as system equations of a Kalman filter algorithm. In such a case one encounters with a dynamic errors-in-variables (DEIV) model for system equations, although DEIV model has been already considered for equations of the Kalman filter algorithm and a solution namely integrated total Kalman filter (ITKF) has been given to it. Also this algorithm can be simplified to unconstraint case which is useful for some problems. It considers DEIV model for both observation equations and system equations of the Kalman filter algorithm. The predicted residuals for all variables including the random noise at the first epoch, the observational noise, the random system noise and the corresponding noise of two coefficient matrixes (in the system equations and the observation equations) besides the variance matrix of the unknown parameters are obtained. In two numerical examples, integrated direct geo-referencing problem is solved for a GPS-INS system. Numéro de notice : A2019-186 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/00396265.2017.1341736 Date de publication en ligne : 30/06/2017 En ligne : https://doi.org/10.1080/00396265.2017.1341736 Format de la ressource électronique : URL Article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=92617
in Survey review > vol 51 n° 364 (January 2019) . - pp 26 - 34[article]Design and implementation of a model predictive observer for AHRS / Jafar Keighobadi in GPS solutions, vol 22 n° 1 (January 2018)PermalinkPermalinkRobust wavelet-based inertial sensor error mitigation for tightly coupled GPS/BDS/INS integration during signal outages / Jian Wang in Survey review, vol 49 n° 357 (December 2017)PermalinkIonospheric and receiver DCB-constrained multi-GNSS single-frequency PPP integrated with MEMS inertial measurements / Zhouzheng Gao in Journal of geodesy, vol 91 n° 11 (November 2017)PermalinkRobust GPS/BDS/INS tightly coupled integration with atmospheric constraints for long-range kinematic positioning / Houzeng Han in GPS solutions, vol 21 n° 3 (July 2017)PermalinkShipborne over- and under-water integrated mobile mapping system and its seamless integration of point clouds / Bo Shi in Marine geodesy, vol 40 n° 2-3 (March - June 2017)PermalinkImplementation of a real-time stacking algorithm in a photogrammetric digital camera for UAVs / Ahmad Audi (2017)PermalinkAdaptive GPS/INS integration for relative navigation / Je Young Lee in GPS solutions, vol 20 n° 1 (January 2016)PermalinkEntwicklung einer direkten Georeferenzierungseinheit zur Positions- und Orientierungbestimmung leichter UAVs in Eichzeit / Christian Eling (2016)PermalinkImproving MEMS-IMU/GPS integrated systems for land vehicle navigation applications / S. Sasani in GPS solutions, vol 20 n° 1 (January 2016)PermalinkStructural integrity verification of cable stayed footbridge based on FEM analyses and geodetic surveying techniques / Vassilis Gikas in Survey review, vol 48 n° 346 (January 2016)PermalinkUAV real-time: Data use in a lightweight direct georeferencing system / Christian Eling in GPS world, vol 26 n° 11 (November 2015)PermalinkTightly coupled integration of GPS precise point positioning and MEMS-based inertial systems / Mahmoud Abd Rabbou in GPS solutions, vol 19 n° 4 (october 2015)PermalinkNovel integration strategy for GNSS-aided inertial integrated navigation / Kun Qian in Geomatica, vol 69 n° 2 (June 2015)PermalinkPermalinkIntegrated navigation: GPS/BeiDou/INS performance in two hemispheres / Yong Li in Inside GNSS, vol 8 n° 6 (November - December 2013)PermalinkRepérage d'un système d'inspection dans un tunnel-canal / Antoine Guittet in XYZ, n° 136 (septembre - novembre 2013)PermalinkDevelopment of a Coordinate Transformation method for direct georeferencing in map projection frames / Haitao Zhao in ISPRS Journal of photogrammetry and remote sensing, vol 77 (March 2013)PermalinkPermalinkIntroduction to a portable stereo mapping system for unmanned vehicles / Julien Li-Chee-Ming in Geomatica, vol 66 n° 4 (December 2012)PermalinkNon-Gaussian noises: What about Gaussian vs. non-Gaussian noise in inertial/GNSS integration? / Mark Petovello in Inside GNSS, vol 7 n° 6 (November - December 2012)PermalinkFast AT: a simple procedure for quasi direct orientation / M. Blazquez in ISPRS Journal of photogrammetry and remote sensing, vol 71 (July 2012)PermalinkFilling in the gaps: Improving navigation continuity using parallel cascade identification / U. Iqbal in GPS world, vol 22 n° 10 (October 2011)PermalinkStrapdown INS/DGPS airborne gravimetry tests in the Gulf of Mexico / X. Li in Journal of geodesy, vol 85 n° 9 (September 2011)PermalinkA "new hybrid" modelling for geometric processing of Radarsat-2 data without user's GCP / Thierry Toutin in Photogrammetric Engineering & Remote Sensing, PERS, vol 77 n° 6 (June 2011)PermalinkThe civilian battlefield protecting GNSS receivers from interference and jamming / M. Jones in Inside GNSS, vol 6 n° 2 (March - April 2011)PermalinkLe positionnement inertiel et ses applications terrestres, souterraines et sous-marines / B. Flacelière in XYZ, n° 125 (décembre 2010 - février 2011)PermalinkA low-cost multi-sensoral mobile mapping system and its feasibility for tree measurements / Anttoni Jaakkola in ISPRS Journal of photogrammetry and remote sensing, vol 65 n° 6 (November - December 2010)PermalinkAide à la conception de systèmes mobiles de cartographie à scanner laser par simulation / H.J. Yoo in Revue Française de Photogrammétrie et de Télédétection, n° 192 (Septembre 2010)PermalinkL'aspect mobile d'un scanner laser terrestre / M. Alshawa in Revue Française de Photogrammétrie et de Télédétection, n° 192 (Septembre 2010)PermalinkNew results in airborne vector gravimetry using strapdown INS/DGPS / M. Senobari in Journal of geodesy, vol 84 n° 5 (May 2010)PermalinkThe Forward Propagation of Integrated System Component Errors within Airborne Lidar Data / T. Goulden in Photogrammetric Engineering & Remote Sensing, PERS, vol 76 n° 5 (May 2010)Permalink1 antenna, 3 dimensions: GPS flight control in UAV operations / C. Kee in Inside GNSS, vol 5 n° 2 (March - April 2010)PermalinkHybrid positioning: a prototype system for navigation in GPS-challenged environments / Chris Rizos in GPS world, vol 21 n° 3 (March 2010)PermalinkReal-time registration of airborne laser with sub-decimeter accuracy / Jan Skaloud in ISPRS Journal of photogrammetry and remote sensing, vol 65 n° 2 (March - April 2010)PermalinkMulti-sensor, multi-network positioning / R. Chen in GPS world, vol 21 n° 2 (February 2010)PermalinkAn introduction to the technology mobile mapping systems / Gordon Petrie in Geoinformatics, vol 13 n° 1 (01/01/2010)PermalinkCollective detection: enhancing GNSS receiver sensitivity by combining signals from multiple satellites / Penina Axelrad in GPS world, vol 21 n° 1 (January 2010)PermalinkGNSS for vehicle control / D.M. Bevly (2010)PermalinkAugmenting the Iterative Closest Point (ICP) alignment algorithm with intensity / S. Hefford in Geomatica, vol 63 n° 4 (December 2009)PermalinkFinding anomalies in high-density Lidar point clouds / J. Harrison in Geomatica, vol 63 n° 4 (December 2009)PermalinkImproving GPS localization with vision and inertial sensing / A. Fakih in Geomatica, vol 63 n° 4 (December 2009)PermalinkTiming on the fly: synchronisation for direct georeferencing on small UAVs / J. Perry in Inside GNSS, vol 4 n° 6 (November - December 2009)PermalinkA strip adjustment procedure to mitigate the impact of inaccurate mounting parameters in parallel Lidar strips / A.F. Habib in Photogrammetric record, vol 24 n° 126 (June - August 2009)PermalinkMapping with LIDAR / F. Zampa in GIM international, vol 23 n° 4 (April 2009)PermalinkRole of tie points in integrated sensor orientation for photogrammetric map compilation / Kourosh Khoshelham in Photogrammetric Engineering & Remote Sensing, PERS, vol 75 n° 3 (March 2009)PermalinkThe design and the development of a hyperspectral and multispectral airborne mapping system / P.V. Gorsevski in ISPRS Journal of photogrammetry and remote sensing, vol 64 n° 2 (March - April 2009)PermalinkGNSS / Scott Gleason (2009)PermalinkTrajectory determination and analysis in sports by satellite and inertial navigation / Adrian Wägli (2009)PermalinkEvaluation du modèle d'erreur de capteurs MEMS-IMU / J.M. Bonnaz in XYZ, n° 117 (décembre 2008 - février 2009)PermalinkTheory and reality of direct georeferencing in national coordinates / Jan Skaloud in ISPRS Journal of photogrammetry and remote sensing, vol 63 n° 2 (March - April 2008)PermalinkPermalinkContinous mobile laser scanning / F. Zampa in GIM international, vol 22 n° 1 (January 2008)PermalinkEntwicklung eines Qualitätsmodells für die Generierung von digitalen Gelandemodellen aus airborne Laser scanning / Hans Jürg Luthy (2008)PermalinkEtude sur la restitution fine de l'axe de visée d'un instrument optronique embarqué / Adeline Coupé (2008)PermalinkInternational Calibration and Orientation Workshop, EuroCOW 2008, 30 janvier - 1er février 2008, Castelldefels, Espagne / Ismael Colomina (2008)PermalinkKalman filtering, theory and practice using MATLAB / Mohinder S. Grewal (2008)PermalinkPrinciples of GNSS, inertial, and multisensor integrated navigation systems / Paul D. Groves (2008)PermalinkL'analyse de performance sportive à l'aide d'un système GPS/INS low-cost : évaluation de capteurs inertiels de type MEMS / A. Waegli in XYZ, n° 113 (décembre 2007 - février 2008)PermalinkIt's a robot life: using GPS and pseudolites for humanoid robot positioning / S. Sugano in GPS world, vol 18 n° 9 (September 2007)PermalinkDéveloppement d'un MNT du haut Rhône à partir de relevés bathymétriques réalisés avec un sondeur multifaisceaux / Hervé Pella in Revue Française de Photogrammétrie et de Télédétection, n° 186 (Juin 2007)PermalinkUbiquitous positioning: Anyone, anything, anytime, anywhere / X. Meng in GPS world, vol 18 n° 6 (June 2007)PermalinkFlood response / A. Melihen in GEO: Geoconnexion international, vol 6 n° 5 (may 2007)PermalinkAutomated sensor block adjustment and local satellite positioning: benefits and perspectives for mapping applications / A. Le Guellec in Revue Française de Photogrammétrie et de Télédétection, n° 185 (Mars 2007)PermalinkDetermination of flight vehicle position and orientation using the Global Positioning System / K. Heckroth in SaLIS Surveying and land information science, vol 67 n° 1 (March 2007)PermalinkPhotogrammetry for mobile mapping / Tarek Hassan in GPS world, vol 18 n° 3 (March 2007)PermalinkThe potential of low-end imus for mobile mapping systems / A. Barsi in Revue Française de Photogrammétrie et de Télédétection, n° 185 (Mars 2007)PermalinkLIDAR : une technique prometteuse / Françoise de Blomac in SIG la lettre, n° 83 (janvier 2007)PermalinkPerformance analysis of integrated sensor orientation / A. Ip in Photogrammetric Engineering & Remote Sensing, PERS, vol 73 n° 1 (January 2007)PermalinkModélisation 3D au service de l'inspection d'ouvrages portuaires immergés / Benoit Fraleu in XYZ, n° 109 (décembre 2006 - février 2007)PermalinkPros and cons of the orientation of very high resolution optical space images / Karsten Jacobsen in Revue Française de Photogrammétrie et de Télédétection, n° 184 (Décembre 2006)PermalinkIGI'S airborne systems: an expanded product range! / Gordon Petrie in Geoinformatics, vol 9 n° 7 (01/11/2006)PermalinkRigorous approach to bore-sight self-calibration in airborne laser scanning [erratum in vol 61 n° 6 February 2007, pages 414-415] / Jan Skaloud in ISPRS Journal of photogrammetry and remote sensing, vol 61 n° 1 (October 2006)PermalinkApproximate direct georeferencing in national coordinates / Klaus Legat in ISPRS Journal of photogrammetry and remote sensing, vol 60 n° 4 (June - July 2006)PermalinkApplications pratiques du géoréférencement direct / R. Schroth in Géomatique expert, n° 49 (01/03/2006)PermalinkExamining the use of stored navigation knowledge for neural network based INS/GPS integration / Kai-Wei Chiang in Geomatica, vol 60 n° 1 (March 2006)PermalinkLe forum de photogrammétrie de l'ENSG / Anonyme in Géomatique expert, n° 49 (01/03/2006)PermalinkRequirements for an orientation and calibration standard for digital aerial cameras and related sensors / W. Kresse in Revue Française de Photogrammétrie et de Télédétection, n° 181 (Mars 2006)PermalinkDevelopment of a robotic mobile mapping system by vision-aided inertial navigation / Fadi Atef Bayoud (2006)PermalinkEtude bibliographique pour la mise en place d'une chaine d'acquisition multicapteurs très haute résolution sur un vecteur volant à basse altitude / Antoine Gademer (2006)PermalinkEtude du traitement de données gravimétriques acquises lors de levés aériens / M. Abbasi (2006)PermalinkPrecise relative positioning of formation flying spacecraft using GPS / R. Kroes (2006)PermalinkReliability of direct georeferencing: An overview of the current approaches and possibilities / Jan Skaloud (2006)PermalinkReliability of direct georeferencing: A case study on practical problems and solutions / Klaus Legat (2006)PermalinkPermalinkUse of HRSC-A for sampling bidirectional reflectance / Antero Kukko in ISPRS Journal of photogrammetry and remote sensing, vol 59 n° 6 (November 2005)PermalinkAccurate INS/DGPS positioning using INS data de-noising and autoregressive (AR) modeling of inertial sensor errors / S. Nassar in Geomatica, vol 59 n° 3 (September 2005)PermalinkDirect sensor orientation for large scale mapping: potential, problems, solutions / N. Yastikli in Photogrammetric record, vol 20 n° 111 (September - November 2005)PermalinkGPS and inertial navigation-delivering / F. Artes in GEO: Geoconnexion international, vol 4 n° 8 (september 2005)PermalinkLidar on the level in Afghanistan: GPS, inertial map the Kabul road / S. Newby in GPS world, vol 16 n° 7 (July 2005)PermalinkFlexed for flight: tightly coupled integrated nav system adapts to data formats / J.F. Lorga in GPS world, vol 16 n° 6 (June 2005)PermalinkInfluence of system calibration on direct sensor orientation / N. Yastikli in Photogrammetric Engineering & Remote Sensing, PERS, vol 71 n° 5 (May 2005)PermalinkOn improving navigation accuracy of GPS/INS systems / Dorota A. Grejner-Brzezinska in Photogrammetric Engineering & Remote Sensing, PERS, vol 71 n° 4 (April 2005)PermalinkUpdating a digital geographic database using Vehicle-borne Laser scanners and line cameras / H. Zhao in Photogrammetric Engineering & Remote Sensing, PERS, vol 71 n° 4 (April 2005)PermalinkPermalink