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Titre : Modelling of spaceborne linear array sensors Type de document : Thèse/HDR Auteurs : Daniela Poli, Auteur Editeur : Zurich : Institut für Geodäsie und Photogrammetrie IGP - ETH Année de publication : 2005 Collection : IGP Mitteilungen, ISSN 0252-9335 num. 85 Importance : 204 p. Format : 21 x 30 cm ISBN/ISSN/EAN : 978-3-906467-50-4 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] auto-étalonnage
[Termes IGN] C (langage)
[Termes IGN] capteur aérien
[Termes IGN] capteur en peigne
[Termes IGN] capteur spatial
[Termes IGN] chambre DTC
[Termes IGN] compensation par faisceaux
[Termes IGN] géométrie de l'image
[Termes IGN] géoréférencement direct
[Termes IGN] géoréférencement indirect
[Termes IGN] GPS-INS
[Termes IGN] image EROS
[Termes IGN] image MOMS-2P
[Termes IGN] image SPOT-HRS
[Termes IGN] image Terra-ASTER
[Termes IGN] image Terra-MISR
[Termes IGN] modèle géométrique de prise de vue
[Termes IGN] modèle mathématique
[Termes IGN] modèle par fonctions rationnelles
[Termes IGN] modèle stéréoscopique
[Termes IGN] orientation du capteur
[Termes IGN] orientation externe
[Termes IGN] orientation interne
[Termes IGN] point d'appui
[Termes IGN] point de vérification
[Termes IGN] points homologuesIndex. décimale : 35.11 Géométrie et qualité des prises de vues Résumé : (Auteur) The topic of this research is the development of a mathematical model for the georeferencing of imagery acquired by multi-line CCD array sensors, carried on air- or spacecraft. Linear array sensors are digital optical cameras widely used for the acquisition of panchromatic and multispectral images in pushbroom mode with spatial resolution ranging from few centimeters (airborne sensors) up to hundreds meters (spaceborne sensors). The images have very high potentials for photogrammetric mapping at different scales and for remote sensing applications. For example, they can be used for the generation of Digital Elevation Models (DEM), that represent an important basis for the creation of Geographic Information Systems, and the production of 3D texture models for visualization and animation purposes.
In the classical photogrammetric chain that starts from the radiometric preprocessing of the raw images and goes to the generation of products like the DEMs, the orientation of the images is a fundamental step and its accuracy is a crucial issue during the evaluation of the entire system. For pushbroom sensors, the triangulation and photogrammetric point determination are rather different compared to the standard approaches for full frame imagery and require special investigations on the sensor geometry and the acquisition mode.
Today various models based on different approaches have been developed, but few of them are rigorous and can be used for a wide class of pushbroom sensors. In general a rigorous sensor model aims to describe the relationship between image and ground coordinates, according to the physical properties of the image acquisition. The functional model is based on the collinearity equations. The sensor model presented in this thesis had to fulfil the requirement of being rigorous and at the same time as flexible as possible and adaptable to a wide class of linear array sensors. In fact pushbroom scanners in use show different geometric characteristics (optical systems, number of CCD lines, scanning mode, stereoscopy) and for each data set specific information are available (ephemeris, GPS/INS observations, calibration, other internal parameters). Therefore the model needs to be dependent on a certain number of parameters that may change for each sensor.
According to the availability of information on the sensor internal and external orientation, the proposed model includes two different orientation approaches.
The first one, the direct georeferencing one, is based on the estimations of the ground coordinates of the points measured in the images through a forward intersection, using the external orientation provided by GPS and INS instruments or interpolated by ephemeris or computed using the orbital parameters (satellite case). This approach does not require any ground control points, except for final checking, and does not estimate any additional parameters for the correction of the interior and exterior orientation. For this reason, the accuracy of this method depends on the accuracy of the external and internal orientation data.
The alternative orientation method, based on indirect georeferencing, is used if the sensor external and internal orientation is not available or not enough accurate for high-precision photograrnmetric mapping. This approach is a self-calibrating bundle adjustment. The sensor position and attitude are modelled with 2nd order piecewise polynomial functions (PPM) depending on time. Constraints on the segment borders assure the continuity of the functions, together with their first and second derivatives. Using pseudo-observations on the PPM parameters, the polynomial degree can be reduced to one (linear functions) or even to zero (constant functions). If GPS and INS are available, they are integrated in the PPM. For the self-calibration, additional parameters (APs) are used to model the lens internal parameters and distortions and the linear arrays displacements in the focal plane.
The parameters modelling the internal and external orientation, together with the ground coordinates of tie and control points, are estimated through a least-squares bundle adjustment using well distributed ground control points. The use of pseudo-observations allows the user to run the adjustment fixing any unknown parameters to certain values. This option is very useful not only for the external orientation modelling, but also for the analysis of the single self-calibration parameter's influence. The weights for the observations and pseudo-observations are determined according to the measurement accuracy. A blunder detection procedure is integrated for the automatic detection of wrong image coordinate measurement. The adjustment results are analyzed in terms of internal and external accuracy. The APs to be estimated are chosen according to their correlations with the other unknown parameters (ground coordinates of tie points and PPM parameters). A software has been developed under Unix environment in C language.
The flexibility of the model has been proved by testing it on MOMS-2P, SPOT-5/HRS, ASTER, MISR and EROS-A1 stereo images. These sensors have different characteristics (single-lens and multi-lens optical systems, various number of linear arrays, synchronous and asynchronous acquisition modes), covering a wide range of possible acquisition geometries.
For each dataset both the direct and indirect models have been used and in all cases the direct georeferencing was not accurate enough for high accurate mapping. The indirect model has been applied with different ground control points distributions (when possible), varying the PPM configurations (number of segments, polynomials degree) and with and without self-calibration. Excluding EROS-A1, all the imagery has been oriented with sub-pixels accuracy in the check points using a minimum of 6 ground control points. In case of EROS-A1, an accuracy in the range of I to 2 pixels has been achieved, due the lack of information on the geometry of the sensor asynchronous acquisition. For the ASTER and SPOT-5/HRS datasets, a DEM has also been generated and compared to some reference DEMs.
New cameras can be easily integrated in the model, because the required sensor information are accessible in literature as well as in the web. If no information on the sensor internal orientation is available, the model supposes that the CCD lines are parallel to each other in the focal plane and perpendicular to the flight direction and estimates any systematic error through the self-calibration. The satellite's position and velocity vectors, usually contained in the ephemeris, are required in order to compute the initial approximations for the PPM parameters. If this information is not available, the Keplerian elements can be used to estimate the nominal trajectory. For pushbroom scanners carried on airplane or helicopter the GPS and INS measurements are indispensable, due to the un-predictability of the trajectory.Note de contenu : 1. INTRODUCTION
1.1. REVIEW OF EXISTING MODELS
1.2. RESEARCH OBJECTIVES
1.3. OUTLINE
2. LINEAR CCD ARRAY SENSORS
2.1. SOLIDSTATE TECHNOLOGY
2.2. ARRAY GEOMETRIES
2.2. 1. Linear arrays
2.2.2. Other geometries
2.3. IMAGING SYSTEM
2.4. SENSOR CALIBRATION
2.4.1. Errors in CCD lines
2.4.2. Lens distortions
2.4.3. Laboratory calibration
2.5. STEREO ACQUISITION
2.5.1. Acrosstrack
2.5.2. Alongtrack
2.6. PLATFORMS
2.6.1. Satellite platforms
2.6.2. Airborne and helicopter platforms
2.7. IMAGE CHARACTERISTICS
2.7.1. Spatial resolution
2.7.2. Radiometric resolution
2.7.3. Spectral resolution
2.7.4. Temporal resolution
2.8. PROCESSING LEVELS
2.9. LIST OF LINEAR ARRAY SENSORS
2.10. CONCLUSIONS
3. DIRECT GEOREFERENCING
3.1. EXTERNAL ORIENTATION FROM GPS/INS
3.1.1. Background
3.1.2. GPS system
3.1.3. INS system
3.1.4. GPS/INS integration
3.1.5. Commercial systems
3.2. EXTERNAL ORIENTATION FROM EPHEMERIS
3.2.1. Orientation with Keplerian elements
3.2.2. Orientation from state vectors
3.2.3. Interpolation between reference lines
3.3. DIRECT GEOREFERENCING
3.3.1. From image to camera coordinates
3.3.2. From camera to ground coordinates
3.3.3. Estimation of approximate ground coordinates
3.3.4. Refinement
3.4. SOME CONSIDERATIONS ON GPS/INS MEASUREMENTS
3.5. ACCURACY EVALUATION
3.6. CONCLUSIONS
4. INDIRECT GEOREFERENCING
4.1. ALGORITHM OVERVIEW
4.2. EXTENTION TO MULTILENS SENSORS
4.3. EXTERNAL ORIENTATION MODELLING
4.3.1. Integration of GPS/INS observations
4.3.2. Function continuity
4.3.3. Reduction of polynomial order
4.4.SELFCALIBRATION
4.5. OBSERVATION EQUATIONS
4.5.1. Image coordinates
4.5.2. External orientation parameters
4.5.3. Selfcalibration parameters
4.5.4. Ground control points
4.6. LEAST SQUARES ADJUSTMENT
4.6.1. Theory of least squares adjustment
4.6.2. Linearization
4.6.3. Design matrix construction
4.6.4. Solution of linear system
4.7. ANALYSIS OF RESULTS
4.7.1. Internal accuracy
4.7.2. RMSE calculations
4.7.3. Correlations
4.7.4. Blunder detection
4.8. FORWARD INTERSECTION
4.9. SUMMARY AND COMMENTS
5. PREPROCESSING
5.1. METADATA FILES FORMATS
5.2. INFORMATION EXTRACTION FROM METADATA FILES
5.3. RADIOMETRIC PREPROCESSING
5.3.1. Standard algorithms
5.3.2. Adhoc filters
6. APPLICATIONS
6.1. WORKFLOW
6.2. MOMS02
6.2.1. Sensor description
6.2.2. Data description
6.2.3. Preprocessing
6.2.4. Image orientation
6.2.5. Summary and conclusions
6.3. SPOT5/HRS
6.3.1. Sensor description
6.3.2. Data description
6.3.3. Preprocessing
6.3.4. Image orientation
6.3.5. DEM generation
6.3.6. Comparison
6.3.7. Summary and conclusions
6.4 ASTER
6.4.1. Sensor description
6.4.2. Data description
6.4.3. Preprocessing
6.4.4. Images orientation
6.4.5. DEM generation
6.4.6. Comparison with reference DEMs
6.4.7. Summary and conclusions
6.5 MISR
6.5.1. Sensor description
6.5.2. Data description
6.5.3. Preprocessing
6.5.4. Image orientation
6.5.5. Summary and conclusions
6.6 EROS-A1
6.6.1. Sensor description
6.6.2. Data description and Preprocessing
6.6.3. Image orientation
6.6.4. Summary and conclusions
7. CONCLUSION AND OUTLOOK
7.1 CONCLUSION
7.2 OUTLOOKNuméro de notice : 13260 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Thèse étrangère DOI : 10.3929/ethz-a-004946341 En ligne : http://dx.doi.org/10.3929/ethz-a-004946341 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=54943 Réservation
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Code-barres Cote Support Localisation Section Disponibilité 13260-01 35.11 Livre Centre de documentation En réserve M-103 Disponible A review of satellite and airborne sensors for remote sensing based detection of minefields and landmines / B.H. Maathuis in International Journal of Remote Sensing IJRS, vol 25 n° 23 (December 2004)
[article]
Titre : A review of satellite and airborne sensors for remote sensing based detection of minefields and landmines Type de document : Article/Communication Auteurs : B.H. Maathuis, Auteur ; John L. Van Genderen, Auteur Année de publication : 2004 Article en page(s) : pp 5201 - 5245 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] capteur aérien
[Termes IGN] capteur spatial
[Termes IGN] chambre DTC
[Termes IGN] image Landsat-ETM+
[Termes IGN] Landsat
[Termes IGN] longueur d'onde
[Termes IGN] mine antipersonnel
[Termes IGN] rayonnement proche infrarouge
[Termes IGN] SPOTRésumé : (Auteur) This paper focuses on the use of space and airborne sensors that can be applied to detect landmines and minefields. First the landmine and minefield problem is addressed and examples of the use of remote sensing images are presented that could provide valuable information for the mine action process and assist in conventional minefield and landmine detection methods. This is followed by an overview on relevant (declassified) aspects related to strategic overhead detection techniques developed by the military/intelligence community as well as those of civilian space and airborne remote sensing programmes. The airborne sensing techniques describe the state of the art of sensors such as optical (film, multi- and hyperspectral sensors), thermal infrared as well as microwave sensors and their suitability-limitations for remote sensing based minefield and landmine detection purposes. Numéro de notice : A2004-468 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/01431160412331270803 En ligne : https://doi.org/10.1080/01431160412331270803 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=26988
in International Journal of Remote Sensing IJRS > vol 25 n° 23 (December 2004) . - pp 5201 - 5245[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 080-04211 RAB Revue Centre de documentation En réserve L003 Exclu du prêt Une approche opérationnelle pour la production de modèles 3D urbains / Grégoire Maillet in Revue Française de Photogrammétrie et de Télédétection, n° 176 (Décembre 2004)
[article]
Titre : Une approche opérationnelle pour la production de modèles 3D urbains Type de document : Article/Communication Auteurs : Grégoire Maillet , Auteur ; David Flamanc , Auteur Année de publication : 2004 Article en page(s) : pp 14 - 20 Note générale : Bibliographie Langues : Français (fre) Descripteur : [Vedettes matières IGN] Applications photogrammétriques
[Termes IGN] caméra numérique
[Termes IGN] image à résolution submétrique
[Termes IGN] image aérienne
[Termes IGN] image Pléiades-HR
[Termes IGN] modèle 3D de l'espace urbain
[Termes IGN] parcelle cadastrale
[Termes IGN] plateforme logicielle
[Termes IGN] reconstruction 3D du bâti
[Termes IGN] simulation d'imageRésumé : (Auteur) La modélisation 3D des environnements urbains est un problème complexe et coûteux. Pour produire ces modèles 3D urbains à des coûts compétitifs, il est nécessaire d'introduire des processus automatiques dans la chaîne de production. Cet article présente une plate-forme logicielle de reconstruction 3D des villes à partir d'images aériennes ou satellitales et de parcelles cadastrales numérisées, en utilisant des algorithmes de reconstruction 3D développés au laboratoire MATIS. À cause de la variété des paysages urbains, il est impossible d'arrêter une méthode unique et rigide de production. La solution adoptée est de laisser l'opérateur choisir sa stratégie de reconstruction en combinant les différents modules algorithmiques que la plate-forme propose. Cependant, au fil des tests, un scénario " standard " semble émerger. Après la description de la chaîne, nous nous attacherons à présenter les résultats de reconstruction dans deux contextes de données différents : les images aériennes acquises par la caméra numérique de l'IGN et une simulation d'images satellitales Pléiades-HR. Numéro de notice : A2005-196 Affiliation des auteurs : IGN (1940-2011) Thématique : IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=27333
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Code-barres Cote Support Localisation Section Disponibilité 018-04041 RAB Revue Centre de documentation En réserve L003 Disponible Developing a true ortho technique using a digital mapping camera / K. Yamada in Geoinformatics, vol 7 n° 8 (01/12/2004)
[article]
Titre : Developing a true ortho technique using a digital mapping camera Type de document : Article/Communication Auteurs : K. Yamada, Auteur Année de publication : 2004 Article en page(s) : pp 42 - 43 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Orthophotographie, orthoimage
[Termes IGN] acquisition de données
[Termes IGN] caméra numérique
[Termes IGN] cartographie urbaine
[Termes IGN] chambre métrique
[Termes IGN] dévers
[Termes IGN] instrument aéroporté
[Termes IGN] orthoimage intégrale
[Termes IGN] orthorectificationRésumé : (Auteur) The quest for the True Orthophoto has achieved almost mythical status among the providers and consumers of aerial products. Long considered technologically impratical, the ability to generate orthoimagery devoid of the distorsions inherent in airborne image acquisition has gradually become more common thanks to digital processing techniques. But despite these digital advancements, generation of true orthos remains an expensive process. Kokusai Kogyo Co. Ltd., however, has devised a pratical method of creating true orthos for nearly the same cost traditional orthoimages. Numéro de notice : A2004-508 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=27025
in Geoinformatics > vol 7 n° 8 (01/12/2004) . - pp 42 - 43[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 262-04081 SL Revue Centre de documentation Revues en salle Disponible The ISPRS 2004 technical exhibition: Istanbul: airborne imaging dominates the show / Gordon Petrie in Geoinformatics, vol 7 n° 7 (01/11/2004)
[article]
Titre : The ISPRS 2004 technical exhibition: Istanbul: airborne imaging dominates the show Type de document : Article/Communication Auteurs : Gordon Petrie, Auteur Année de publication : 2004 Article en page(s) : pp 30 - 37 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] acquisition d'images
[Termes IGN] caméra numérique
[Termes IGN] capteur à balayage
[Termes IGN] capteur aérien
[Termes IGN] capteur imageur
[Termes IGN] image aérienne
[Termes IGN] instrument aéroporté
[Termes IGN] photogrammétrie aérienne
[Termes IGN] radar à antenne synthétique
[Termes IGN] télémètre laser aéroportéRésumé : (Auteur) The 20th Congress was held in the Istanbul Convention & Exhibition Centre between 12th and 23rd July. During the last four and half days of this period (19th to 23rd July), the Technical and Scientific Exhibitions were held in the new Rumeli Hall located adjacent to the main Convention building. However this location caused no difficulty either to the participants or exhibitors since an escalator gave a direct connection between the two buildings. In fact, the Hall proved to be a first-class venue for the two Exhibitions. Numéro de notice : A2004-466 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=26986
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Code-barres Cote Support Localisation Section Disponibilité 262-04071 SL Revue Centre de documentation Revues en salle Disponible Blocs équipés de mesures GPS et inertielles, bilan des essais Applanix IGN, mise en place cartographique / Philippe Hottier in Revue Française de Photogrammétrie et de Télédétection, n° 175 (Septembre 2004)PermalinkSurveying, laser and 3d in Australian mining: integration going deeper / J. Ball in Geoinformatics, vol 7 n° 5 (01/08/2004)PermalinkIstanbul ahoy! The ISPRS congress beckons: with imaging to the fore! / Gordon Petrie in Geoinformatics, vol 7 n° 4 (01/06/2004)PermalinkObservation de la Terre : Les débuts difficiles mais prometteurs de la résolution sub-métrique optique / Alain Dupéret in Revue Française de Photogrammétrie et de Télédétection, n°173-174 (Juin 2004)PermalinkRedefining the paradigm of modern mobile mapping: an automated high-precision road centerline mapping system / Charles K. Toth in Photogrammetric Engineering & Remote Sensing, PERS, vol 70 n° 6 (June 2004)PermalinkQuand la photogrammétrie sort des sentiers battus / Françoise de Blomac in SIG la lettre, n° 56 (avril 2004)PermalinkA basis for estimating digital camera parameters / D. Light in Photogrammetric Engineering & Remote Sensing, PERS, vol 70 n° 3 (March 2004)PermalinkFrom mobile mapping to telegeoinformatics: paradigm shift in geospatial data acquisition, processing, and management / Dorota A. Grejner-Brzezinska in Photogrammetric Engineering & Remote Sensing, PERS, vol 70 n° 2 (February 2004)PermalinkImage numérique couleur, de l'acquisition au traitement / Alain Trémeau (2004)PermalinkManual of photogrammetry, fifth edition / J. Chris Mcglone (2004)PermalinkADS40 Leica: une caméra numérique en pleine maturité: ISTAR : une société française au savoir-faire confirmé / N. Pisot in XYZ, n° 97 (décembre 2003 - février 2004)PermalinkLa photo aérienne de l'IGN, depuis l'avion jusqu'à la BD Ortho / Anonyme in Géomatique expert, n° 29 (01/11/2003)PermalinkGeometric assessment of the Kodak DCS Pro Back / Jon P. Mills in Photogrammetric record, vol 18 n° 103 (September - November 2003)PermalinkThe accuracy of a river bed moulding/casting system and the effectiveness of a low-cost digital camera for recording river bed fabric / Jim H. Chandler in Photogrammetric record, vol 18 n° 103 (September - November 2003)PermalinkA CCD camera-based hyperspectral imaging system for stationary and airborne applications / C. Yang in Geocarto international, vol 18 n° 2 (June - August 2003)PermalinkPhotogrammétrie architecturale et modélisation 3D du patrimoine / Pierre Grussenmeyer in XYZ, n° 95 (juin - août 2003)PermalinkUn canal proche infrarouge pour la caméra numérique de l'IGN / Jean-Philippe Souchon in Bulletin d'information scientifique et technique de l'IGN, n° 74 (mars 2003)PermalinkPermalinkDevelopment and calibration of the airborne three-line scanner (TLS) imaging system / Tianen Chen in Photogrammetric Engineering & Remote Sensing, PERS, vol 69 n° 1 (January 2003)PermalinkPermalinkPhotogrammetric week' 2003, Vol 2. Tutorium PHOWO 2003 photogrammetry and 3d visualisation, added value and visions / Dieter Fritsch (2003)PermalinkReal time volcano activity mapping using ground-based digital imagery / K. Honda in ISPRS Journal of photogrammetry and remote sensing, vol 57 n° 1-2 (November - December 2002)PermalinkLook beneath the surface with augmented reality / G. 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Guillon in Géomètre, vol 2001 n° 11 (novembre 2001)PermalinkTraining for digital aerial survey and mapping: the potential and training aspects of medium format digital camera / R. Graham in GeoEurope, vol 10 n° 11 (01/11/2001)PermalinkDigital image georeferencing from a multiple camera system by GPS-INS / M.M. Mostafa in ISPRS Journal of photogrammetry and remote sensing, vol 56 n° 1 (May - June 2001)PermalinkL'ADS40 de LH systems ou la photogrammétrie en tout numérique / P. Fricker in XYZ, n° 86 (décembre 2001 - février 2002)PermalinkClose range photogrammetry and machine vision / Keith B. Atkinson (2001)PermalinkEvaluation d'un système de positionnement d'un véhicule sur route basé sur la fusion de données / E. Helou Helo (2001)PermalinkIntroduction to modern photogrammetry / E.M. Mikhail (2001)PermalinkLes systèmes de vision / Jean-Michel Jolion (2001)PermalinkA multi-sensor system for airborne image capture and georeferencing / M.M.R. 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