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D-SYMBOLIZATION USING ADAPTIVE TEMPLATES

For communication tasks adapted types of information are needed. In navigation, for example, landmarks play an essential role. In order to be able to recognize these landmarks immediately also from larger distances, unimportant details have to be simplified and relevant and characteristic features have to be visible. Thus, these characteristics should be highlighted or enhanced, which is a generalization function. We concentrate on building landmarks. In order to simplify and emphasize 3D buildings, the idea in this research is to use a generic set of templates for typical 3D-buildings and replace the original 3D shape with the most similar of those templates. In this paper, we briefly describe the whole workflow, but concentrate on the adaptation. For this adaptation process we propose optimization techniques. Depending on the target function to optimize, different approaches can be chosen, which will be described in the paper. The results using Least Squares Adjustment are presented.