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Sensor modelling and validation for linear array aerial and satellite imagery / Sultan Aksakal Kocaman (2009)
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Titre : Sensor modelling and validation for linear array aerial and satellite imagery Type de document : Thèse/HDR Auteurs : Sultan Aksakal Kocaman, Auteur ; Armin W. Gruen, Directeur de thèse ; Christian Heipke, Directeur de thèse Editeur : Zurich : Institut für Geodäsie und Photogrammetrie IGP - ETH Année de publication : 2009 Collection : IGP Mitteilungen, ISSN 0252-9335 num. 106 Importance : 166 p. Format : 21 x 30 cm ISBN/ISSN/EAN : 978-3-906467-88-7 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] ADS40
[Termes IGN] capteur aérien
[Termes IGN] capteur en peigne
[Termes IGN] capteur linéaire
[Termes IGN] capteur optique
[Termes IGN] capteur spatial
[Termes IGN] compensation par faisceaux
[Termes IGN] détecteur à transfert de charge
[Termes IGN] étalonnage de capteur (imagerie)
[Termes IGN] image ALOS-PRISM
[Termes IGN] modèle géométrique de prise de vue
[Termes IGN] modélisation géométrique de prise de vue
[Termes IGN] orientation du capteur
[Termes IGN] Panchromatic Remote Sensing Instrument for Stereo Mapping
[Termes IGN] pouvoir de résolution géométriqueIndex. décimale : 35.13 Prises de vues par capteurs spatiaux Résumé : (Auteur) The Linear Array CCD technology is widely used in the new generation aerial photogrammetric sensors and also in the high-resolution satellite optical sensors. In comparison to the Matrix (frame/area) Array sensors, the Linear Array CCD sensors have smaller number of detectors to cover the same swath width. In addition, the flexibility is higher in the physical sensor design. The conventional film cameras used in aerial photogrammetry are manufactured in frame format. The first remote sensing sensors for Earth observation employed film cameras as well. The recent sensor technologies of the optical remote sensing satellites are replaced with the Linear Array CCDs. In case of the aerial photogrammetric sensors, medium and small format aerial cameras are produced only in the frame format. The development in large format cameras is twofold. The Linear Array CCD and Matrix Array CCD sensors have been present in the industry since the year 2000.
Due to the geometric differences between the Linear Array cameras and the frame cameras, the conventional photogrammetric procedures for the geometric processing of the Linear Array CCD images should be redefined or newly developed. The trajectory modeling is one of the main concepts, which entered into the field of photogrammetry with the aerial and satellite pushbroom sensors. The modified collinearity equations are extended with mathematical functions to model the image trajectory in the bundle adjustment. This study encompasses the triangulation of Linear Array CCD images with the use of different trajectory models. The self-calibration models are partially adapted from the frame sensors in accordance with the physical structures of the Linear Array CCD sensors.
In general, the triangulation and self-calibration of the aerial and the satellite Linear Array CCD images show similarities in terms of trajectory modeling and the physical definitions of the additional parameters. The main difference is in the number unknown parameters defined in the bundle adjustment, which is calculated as a function of the number of lenses, the trajectory model configuration, and the number of Linear Array CCDs used in the sensor. Therefore, similar sensor modeling and calibration approaches are applied in this study, with necessary adjustments for each system.
In order to obtain high accuracy point positioning, high quality image trajectory measurement is crucial. The given trajectory can be modeled in the adjustment by using constant and linear correction parameters, as well as higher order polynomials. This study investigates the three different trajectory models with three different mathematical approaches. Two of the models are investigated at different levels of sophistication by altering the model parameters.
Two different aerial Linear Array CCD sensors, the STARIMAGER of former Starlabo Corporation, Japan, and the ADS40 sensor of the Leica Geosystems, Heerbrugg, are used for the practical investigations. The PRISM (Panchromatic Remote-sensing Instrument for Stereo Mapping) onboard of Japanese ALOS satellite launched by JAXA (Japan Aerospace Exploration Agency) in 2006 is the satellite Linear Array CCD sensor used for the application parts of this study. The two aerial Linear Array CCD sensors work with the TLS (Three-Line-Scanner) principle. Three or more Linear Array CCDs are located in the focal plane of a single lens with different viewing angles providing stereo capability. The PRISM sensor differs in the optical design with three camera heads, each associated with a different viewing angle.
Due to the design differences between the sensors, two sets of additional 'parameters for self-calibration are applied in this study. The aerial TLS sensors share the same set of additional parameters due to similar interior geometries of the sensors. The self-calibration of the PRISM sensor uses a different set due to multiple lenses and also multiple CCD chips used to form each image line.
The sensor orientation and calibration methods presented in this study are validated using a number of application datasets. The image datasets of the three sensors are acquired over specially established testfields. Triangulation results prove the importance of high quality trajectory measurements for accurate sensor orientation. When the given image trajectory has a low quality, a sophisticated trajectory model should be used together with a high number of ground control points.
This study also shows that, despite their weaker sensor geometry, the Linear Array CCD sensors have reached the accuracy potential of the conventional frame imagery for point determination. In addition, similar to the conventional film sensors, self-calibration has proven as a powerful tool for modeling the systematic errors of the Linear Array CCD imagery, albeit the method should be applied with a great care.Note de contenu : 1 Introduction
1.1 Research Objectives
1.2 Review of Digital Optical Sensors
1.2.1 Point-based Sensors
1.2.2 Linear Array CCD Sensors
1.2.3 Frame Array CCD Sensors
1.3 Review of Sensor Calibration Approaches for Linear Array CCD Sensors
1.4 Review of Sensor Orientation Methods for Linear Array CCD Sensors
1.4.1 Direct vs. Indirect Georeferencing
1.4.2 Rigorous vs. Generic Models for Georeferencing
1.5 Quality Analysis and Validation for the Geometric Processing Methods
1.6 Outline
2 Characterizations of the Linear Array CCD Sensor Geometries
2.1 Optical System Specification
2.2 Line Geometry
2.3 Resolution Specification
2.3.1 Spatial Resolution
2.3.2 Radiometric Resolution
2.3.3 Spectral Resolution
2.3.4 Temporal Resolutions of Satellite Sensors
2.4 Operation Principles
2.4.1 Sensor and Platform Synchronization
2.4.2 Stereo Acquisition
2.4.3 Platform Stabilization
3 Calibration Parameters for the Linear Array CCD Sensors .
3.1 Optical System Related Parameters
3.1.1 Principal Point Displacement
3.1.2 Camera Constant
3.1.3 Lens Distortions
3.2 CCD Line Related Parameters
3.2.1 Scale effect
3.2.2 Rotation
3.2.3 Displacement from the Principal Point
3.2.4 Bending
4 Methodology for Sensor Orientation and Calibration
4.1 Preparation for Rigorous Sensor Orientation
4.1.1 Image Trajectory Extraction
4.1.2 Interior Orientation Extraction
4.1.3 Coordinate System Transformations
4.2 Rigorous Sensor Orientation
4.2.1 Modified Bundle Adjustment with Trajectory Modeling
4.2.2 Self-calibration Method
4.2.3 Weighting Scheme of the Bundle Adjustment
4.2.4 Accuracy Assessment of the Bundle Adjustment
4.2.5 Processing time
5 Applications
5.1 Starlmager Sensor
5.1.1 Applications over the Yoriichio Testfield, Japan
5.1.2 Findings and Discussion
5.2 ADS40 Sensor
5.2.1 Applications to Testfields
5.2.2 Findings and Discussion
5.3 The ALOS/PRISM Sensor
5.3.1 Introduction
5.3.2 Applications to Testfields
5.3.3 Findings and Discussion
6 Conclusions and Outlook
6.1 Summary
6.2 Conclusions
6.3 Recommendations for Future WorkNuméro de notice : 15509 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Thèse étrangère En ligne : http://dx.doi.org/10.3929/ethz-a-005780510 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=62742 Réservation
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Code-barres Cote Support Localisation Section Disponibilité 15509-01 35.13 Livre Centre de documentation En réserve M-103 Disponible DMC geometry analysis and virtual image characterisation / R. Alamus in Photogrammetric record, vol 23 n° 124 (December 2008 - February 2009)
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Titre : DMC geometry analysis and virtual image characterisation Type de document : Article/Communication Auteurs : R. Alamus, Auteur ; W. Kornus, Auteur Année de publication : 2008 Conférence : ISPRS 2007, High-Resolution Earth Imaging for Geospatial Information workshop 29/05/2007 01/06/2007 Hanovre Allemagne Article en page(s) : pp 353 - 371 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] aérotriangulation automatisée
[Termes IGN] auto-étalonnage
[Termes IGN] chambre à grand format
[Termes IGN] compensation par faisceaux
[Termes IGN] DMC
[Termes IGN] erreur systématique
[Termes IGN] espace image
[Termes IGN] géométrie de l'image
[Termes IGN] géoréférencement
[Termes IGN] modélisation géométrique de prise de vue
[Termes IGN] points homologues
[Termes IGN] précision géométrique (imagerie)
[Termes IGN] rapport base hauteur
[Termes IGN] résiduRésumé : (Auteur) Since the advent of the first large format digital aerial cameras, high expectations have been placed on their performance. The dream of obtaining aerial images virtually free of geometric errors and with greater radiometric quality is getting close. Nevertheless, systematic image residuals, unexpected height errors in aerial triangulation and the need for additional self-calibration parameters have been reported since 2005. In this paper a preliminary analysis of the theoretical accuracies in aerial triangulation using the Zeiss/Intergraph (Z/I) Digital Mapping Camera (DMC) and an analogue camera is conducted, motivated by those recent reports. This analysis considers a mathematical model where the image has conical geometry and is free of systematic errors. The influence on the propagated block accuracy of the base-to-height ratio, image pointing precision (both manual and automatic), GPS observations for projection centres and of pass/tie point density is studied. Moreover, the expected accuracy in the aerial triangulation of analogue images using current procedures (having regard to the a priori accuracy for image pointing, ground control measurement and GPS and pass/tie point density) is computed. The goal of this theoretical study is to find the requirements for aerial triangulation with DMC data which would yield the same or an even higher level of accuracy than that obtained with analogue data under the same conditions. The paper continues with a check on the conclusions of this theoretical analysis, using real data-sets and aerial triangulation set-up, which fit with the theoretical analysis. The results prove that the expected theoretical accuracy in aerial triangulation is only obtained if an appropriate self-calibration parameter set is considered in the bundle block adjustment and/or if good GPS observations are available. These requirements result from the unfavourable propagation from unmodelled systematic error in the DMC image blocks. Some authors have detected systematic residuals in the order of one-tenth of a pixel rms in DMC image space. For this reason, investigations are being carried out on systematic error characterisation, distribution in image space and stability over time and flying height, and systematic error modelling, using self-calibration parameter sets and applying correction grids. Finally, conclusions are drawn from the investigations. Copyright RS&PS + Blackwell Publishing Numéro de notice : A2008-417 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.1111/j.1477-9730.2008.00504.x En ligne : https://doi.org/10.1111/j.1477-9730.2008.00504.x Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=29488
in Photogrammetric record > vol 23 n° 124 (December 2008 - February 2009) . - pp 353 - 371[article]Photogrammetric image acquisition and image analysis of oblique imagery / Görres Grenzdorffer in Photogrammetric record, vol 23 n° 124 (December 2008 - February 2009)
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Titre : Photogrammetric image acquisition and image analysis of oblique imagery Type de document : Article/Communication Auteurs : Görres Grenzdorffer, Auteur ; M. Guretzki, Auteur ; I. Friedlander, Auteur Année de publication : 2008 Conférence : ISPRS 2007, High-Resolution Earth Imaging for Geospatial Information workshop 29/05/2007 01/06/2007 Hanovre Allemagne Article en page(s) : pp 372 - 386 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] analyse d'image numérique
[Termes IGN] caméra numérique
[Termes IGN] image aérienne
[Termes IGN] plan de vol
[Termes IGN] prise de vue aérienne
[Termes IGN] visée obliqueRésumé : (Auteur) Because of the intuitive human perception of the oblique view, photogrammetrists' attention has recently returned to oblique images. The demand for oblique imagery has been notably pushed by digital representations of the globe such as Microsoft's Virtual Earth and by the development of special GIS viewers including those by Pictometry and MultiVision. In this contribution the broad spectrum of applications of oblique images is presented. Most commonly oblique images are acquired with flexible digital airborne camera systems, which allow for easy collection of such imagery with photogrammetric quality. The digital airborne remote sensing system PFIFF developed at Rostock University will be introduced briefly. However, flight planning for oblique imagery differs from that for vertical aerial surveys. Two test flights with mono and stereo oblique images are presented. The data processing, display and measurement within oblique images from different perspectives requires new software such as MultiVision. Oblique images may also be used to texture 3D city models. Copyright RS&PS + Blackwell Publishing Numéro de notice : A2008-418 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.1111/j.1477-9730.2008.00499.x En ligne : https://doi.org/10.1111/j.1477-9730.2008.00499.x Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=29489
in Photogrammetric record > vol 23 n° 124 (December 2008 - February 2009) . - pp 372 - 386[article]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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[article]
Titre : Radiometric calibration and characterization of large-format digital photogrammetric sensors in a test field Type de document : Article/Communication Auteurs : Lauri Markelin, Auteur ; Eija Honkavaara, Auteur ; J. Peltoniemi, Auteur ; et al., Auteur Année de publication : 2008 Article en page(s) : pp 1487 - 1500 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] ADS40
[Termes IGN] chambre à grand format
[Termes IGN] chambre DTC
[Termes IGN] DMC
[Termes IGN] étalonnage de chambre métrique
[Termes IGN] étalonnage radiométrique
[Termes IGN] linéarité
[Termes IGN] modèle linéaire
[Termes IGN] qualité radiométrique (image)
[Termes IGN] test de performance
[Termes IGN] UltraCamRésumé : (Auteur) Test field calibration is an attractive approach to calibrating and characterizing the radiometry of airborne imaging instruments. In this study, a method for radiometric test field calibration for digital photogrammetric instruments is developed, and it is used to evaluate the radiometric performance of large-format photogrammetric sensors as the ADS40, the DMC, and the UltraCamD. In the study, linearity, dynamic range, sensitivity, and absOlute calibration were evaluated. The results demonstrated the high radiometric quality of the sensors tested. All the sensors were linear in response. The DMC used the 12-bit dynamic range entirely, while the ADS40 and the UltraCamD indicated close to the 13-bit dynamic range. The sensors performed quite differently with respect to sensitivity. With the DMC and the UltraCamD a risk of overexposure appeared, while the color channels of the ADS40 showed low sensitivity. Because the sensors were linear in response, they could be absolutely calibrated using linear models. Copyright ASPRS Numéro de notice : A2008-477 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.14358/PERS.74.12.1487 En ligne : https://doi.org/10.14358/PERS.74.12.1487 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=29546
in Photogrammetric Engineering & Remote Sensing, PERS > vol 74 n° 12 (December 2008) . - pp 1487 - 1500[article]Formulation of distortion error for the line-of-sight (LOS) vector adjustment model and its role in restitution of SPOT imagery / Hyung-Sup Jung in ISPRS Journal of photogrammetry and remote sensing, vol 63 n° 6 (November - December 2008)
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Titre : Formulation of distortion error for the line-of-sight (LOS) vector adjustment model and its role in restitution of SPOT imagery Type de document : Article/Communication Auteurs : Hyung-Sup Jung, Auteur ; J.S. Won, Auteur Année de publication : 2008 Article en page(s) : pp 610 - 620 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] analyse comparative
[Termes IGN] capteur en peigne
[Termes IGN] erreur moyenne quadratique
[Termes IGN] image SPOT 5
[Termes IGN] ligne de visée
[Termes IGN] modèle d'erreur
[Termes IGN] orbite
[Termes IGN] orbite préciseRésumé : (Auteur) A recently developed line-of-sight (LOS) vector adjustment model is an effective geopositioning method for pushbroom images. A requirement for this method is that a predicted orbit be close to a true orbit. Although the method has proven very effective for SPOT 5, which has an accurate orbital control system, it was an open question whether or not the method could be effective for a satellite system with poor orbital accuracy. In this paper, a distortion error is defined and formulated as a common criterion for testing orbital requirements of a pushbroom system from the perspective of the LOS vector adjustment model. Using the distortion error, it is shown that a satellite system, even with poor locational accuracy comparable to SPOT 3–4, meets the orbital requirements as long as the maximum topographic height in the landscape is less than 4 km against the height level of the control points. A test was performed using three SPOT images and only five ground control points (GCPs). Results indicated that the root mean squared errors (RMSEs) of horizontal residual errors calculated from 30 check points were less than 10 m. The achieved accuracy of three-dimensional object-point determination was 6 m in the X-dimension and 7 m in both Y- and Z-dimensions. The conclusion can be drawn that the orbital requirements of this method can accommodate most space-borne systems, and therefore the LOS vector adjustment model is effective for SPOT and comparable pushbroom imagery. Copyright ISPRS Numéro de notice : A2008-434 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.isprsjprs.2008.03.002 En ligne : https://doi.org/10.1016/j.isprsjprs.2008.03.002 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=29503
in ISPRS Journal of photogrammetry and remote sensing > vol 63 n° 6 (November - December 2008) . - pp 610 - 620[article]Réservation
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