Progress in Constructing an Open Map Generalization Data Set for Deep Learning (Short Paper)

Authors Cheng Fu , Zhiyong Zhou , Jan Winkler , Nicolas Beglinger, Robert Weibel

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Author Details

Cheng Fu
  • Department of Geography, University of Zürich, Switzerland
Zhiyong Zhou
  • Department of Geography, University of Zürich, Switzerland
Jan Winkler
  • Department of Environmental Systems Science, Swiss Federal Institute of Technology, Zürich, Switzerland
Nicolas Beglinger
  • swisstopo, Swiss Federal Office of Topography, Wabern, Switzerland
Robert Weibel
  • Department of Geography, University of Zürich, Switzerland


We would like to thank Roman Geisthoevel at swisstopo for his kind support and helpful discussion.

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Cheng Fu, Zhiyong Zhou, Jan Winkler, Nicolas Beglinger, and Robert Weibel. Progress in Constructing an Open Map Generalization Data Set for Deep Learning (Short Paper). In 12th International Conference on Geographic Information Science (GIScience 2023). Leibniz International Proceedings in Informatics (LIPIcs), Volume 277, pp. 30:1-30:6, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2023)


Recent pioneering works have shown the potential of a new deep-learning-backed paradigm for automated map generalization. However, this approach also puts a high demand on the availability of balanced and rich training sets. We present our design and progress of constructing an open training data set that can support relevant studies, collaborating with the Swiss Federal Office of Topography. The proposed data set will contain transitions of building and road generalization in Swiss maps at 1:25k, 1:50k, and 1:100k. By analyzing the generalization operators involved in these transitions, we also propose several challenges that can benefit from our proposed data set. Besides, we hope to also stimulate the production of further open data sets for deep-learning-backed map generalization.

Subject Classification

ACM Subject Classification
  • Information systems → Geographic information systems
  • Information systems → Data mining
  • Information systems → Document structure
  • open data
  • deep learning
  • map generalization


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