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Reconstructing Façade Details Using MLS Point Clouds and Bag-of-Words Approach

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Recent Advances in 3D Geoinformation Science (3DGeoInfo 2023)

Part of the book series: Lecture Notes in Geoinformation and Cartography ((LNGC))

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Abstract

In the reconstruction of façade elements, the identification of specific object types remains challenging and is often circumvented by rectangularity assumptions or the use of bounding boxes. We propose a new approach for the reconstruction of 3D façade details. We combine mobile laser scanning (MLS) point clouds and a pre-defined 3D model library using a Bag of words (BoW) concept, which we augment by incorporating semi-global features. We conduct experiments on the models superimposed with random noise and on the TUM-FAÇADE dataset (Wysocki et al. , 2023). Our method demonstrates promising results, improving the conventional BoW approach. It holds the potential to be utilized for more realistic facade reconstruction without rectangularity assumptions, which can be used in applications such as testing automated driving functions or estimating façade solar potential.

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Notes

  1. 1.

    https://github.com/OloOcki/awesome-citygml.

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Acknowledgements

This work was supported by the Bavarian State Ministry for Economic Affairs, Regional Development and Energy within the framework of the IuK Bayern project MoFa3D - Mobile Erfassung von Fassaden mittels 3D Punktwolken, Grant No. IUK643/001. Moreover, the work was conducted within the framework of the Leonhard Obermeyer Center at the Technical University of Munich (TUM). We gratefully acknowledge the Geoinformatics team at the TUM for the valuable insights and for providing the CityGML datasets.

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Correspondence to Thomas Froech .

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© 2024 The Author(s), under exclusive license to Springer Nature Switzerland AG

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Froech, T., Wysocki, O., Hoegner, L., Stilla, U. (2024). Reconstructing Façade Details Using MLS Point Clouds and Bag-of-Words Approach. In: Kolbe, T.H., Donaubauer, A., Beil, C. (eds) Recent Advances in 3D Geoinformation Science. 3DGeoInfo 2023. Lecture Notes in Geoinformation and Cartography. Springer, Cham. https://doi.org/10.1007/978-3-031-43699-4_21

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