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Browsing by Author Vosselman, G.

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  • LA

  • Automatic verification of buildings using oblique airborne images

    • Authors: Vosselman, G.; Nyaruhuma, A.P.;  Advisor: -;  Participants: - (2013)

  • Thesis presents the state of art building verification and update and the current use of oblique images; describes the method developed for automatic verification of 2D vector data (building outlines); discusses experiments and results from the verification of building outlines; presents the method developed for verification of 3D vector data (3D building models); presents 3D building verification experiments; conclusion and recommendations.
  • LA

  • Classification and change detection in multi - epoch airborne laser scanning point clouds

    • Authors: Vosselman, G.; Xu, S.;  Advisor: -;  Participants: - (2015)

  • Thesis introduces data organization and pre-processing procedures, including pyramid generation and data filtering; includes a literature review of algorithms suitable for the classification of lidar data; explains why they are included and how the choice of entity is made and combined with the method; includes an evaluation and analysis of the classification, including accuracy, confusion matrices, impact of features, and the impact of multiple entities; reviews the state-of-the-art of change detection with lidar, and covers the change detection methodology used in my research; involves examples of all types of change in buildings and a list of errors and the reasons for their occurr...
  • LA

  • Guided close range photogrammetry for 3D modelling of cultural heritage sites

    • Authors: Vosselman, G.; Alsadik, B.S.;  Advisor: -;  Participants: - (2014)

  • Thesis presents a literature review on the state–of–the–art in the Image based modelling and camera network design and optimization; describes the camera network design, the minimal network and the optimization of the networks; describes the guiding system design for capturing the images in the field as well as the computation of the image connectivity graph; presents the occlusion problem in 3D modelling and the procedures for detecting the resulted gaps in the point clouds; present experimental tests that show the impact of using the proposed methodology in the application of cultural heritage documentation; describes the conclusions and recommendations for future research.