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Quality analysis comparison of 3D products from satellites and aerial images : MICMAC Application in Hilly Zones ( Liège)

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Dukuzemariya, Tharcille ULiège
Promotor(s) : Cornet, Yves ULiège
Date of defense : 7-Sep-2017/8-Sep-2017 • Permalink : http://hdl.handle.net/2268.2/3124
Details
Title : Quality analysis comparison of 3D products from satellites and aerial images : MICMAC Application in Hilly Zones ( Liège)
Translated title : [fr] Création de MNS et orthoréctification d' images satellitaires et aériennes de très haute résolution:Application de MICMAC dans la zone urbaine et vallonnée de Liège, Belgique
Author : Dukuzemariya, Tharcille ULiège
Date of defense  : 7-Sep-2017/8-Sep-2017
Advisor(s) : Cornet, Yves ULiège
Committee's member(s) : Hallot, Pierre ULiège
Vanmaercke, Matthias ULiège
Language : English
Number of pages : 113 + annexes
Keywords : [fr] Photogrammetrie
[fr] Traitement d'image
[fr] MNS
[fr] Orthorectification
[fr] Imagery aeroportée et satellitaire
[fr] Validation
[en] Photogrammetry
[en] Image processing
[en] DSM
[en] Orthorectification
[en] Aerial and satellite imagery
[en] Validation
Discipline(s) : Physical, chemical, mathematical & earth Sciences > Earth sciences & physical geography
Engineering, computing & technology > Computer science
Research unit : Unité de Géomatique
Target public : Researchers
Professionals of domain
Student
Institution(s) : Université de Liège, Liège, Belgique
Degree: Master en sciences géographiques, orientation géomatique et géométrologie, à finalité spécialisée
Faculty: Master thesis of the Faculté des Sciences

Abstract

[en] 3D models are extracted from at least 2 stereo views of area of interest and they constitute an indispensable data in many surveying tasks and applications. Since the beginning of photogrammetry, aerial imagery was mostly used in precise topographic mapping applications mainly due to its (very-)high ground resolution. With the affordable (very-)high resolution and stereoscopic satellite imagery that provides larger spatial coverage, it is also possible to collect very large-scale 3D data from satellite products.
This research aimed to assess geometric quality of DSMs and orthomosaïc products from high spatial resolution aerial and Pleaides satellite stereo-photogrammetry. We aim to demonstrate that, using MICMAC software, photogrammetric products from aerial images taken by UltraCam Falcon camera of Vexcel Imaging and Pleiades images are equivalent in both geometric and radiometric quality and that their structural realism and consistency in urban and hilly areas is similar. The selected study area is thus the urban and peri-urban Western zone of Liège.
Verification of this hypothesis is based on photogrammetric products from 48 aerial images acquired in a period from 12th to 15th April 2015 and one stereo-pair of Pleiades images taken on 13th March 2015. Using GCPs surveyed in the study area, geometric quality of Vexcel DSM and orthoimages were found more accurate than Pleiades products.


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Author

  • Dukuzemariya, Tharcille ULiège Université de Liège > Master sc. géogr., orient. géomat. & géomét., à fin.

Promotor(s)

Committee's member(s)

  • Hallot, Pierre ULiège Université de Liège - ULg > Département de géographie > Architecture Site Lambert Lombard
    ORBi View his publications on ORBi
  • Vanmaercke, Matthias ULiège Université de Liège - ULg > Département de géographie > Géographie physique et du quaternaire
    ORBi View his publications on ORBi
  • Total number of views 74
  • Total number of downloads 500










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