Context-sensitive Filtering of Terrain Data based on Multi Scale Analysis

Steffen Goebbels; Regina Pohle-Fröhlich

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Paper

Context-sensitive Filtering of Terrain Data based on Multi Scale Analysis

Topics: Multi-Resolution Modeling; Surface Modeling

In Proceedings of the 10th International Conference on Computer Graphics Theory and Applications - Volume 0VISIGRAPP, 106-113, 2015 , Berlin, Germany

Authors: Steffen Goebbels and Regina Pohle-Fröhlich

Affiliation: Faculty of Electrical Engineering and Computer Science and Niederrhein University of Applied Sciences, Germany

Keyword(s): Surface Triangulation, Polygon Count Reduction, Wavelet Transform.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Geometry and Modeling ; Multi-Resolution Modeling ; Surface Modeling

Abstract: This paper addresses triangle count reduction for regular terrain triangulations. Supported by additional information available from cadastre data, non-linear low pass filtering based on wavelet coefficients is applied. The aim is to generate a simplified view of a city model’s terrain so that still landmarks can be easily recognized. Height data, that are not critical for visual impressions, are compressed with lower resolution than height data belonging to landmarks. Results are presented for the German city of Krefeld.

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Paper citation in several formats:

Goebbels, S. and Pohle-Fröhlich, R. (2015). Context-sensitive Filtering of Terrain Data based on Multi Scale Analysis. In Proceedings of the 10th International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2015) - GRAPP; ISBN 978-989-758-087-1; ISSN 2184-4321, SciTePress, pages 106-113. DOI: 10.5220/0005252201060113

@conference{grapp15,
author={Steffen Goebbels. and Regina Pohle{-}Fröhlich.},
title={Context-sensitive Filtering of Terrain Data based on Multi Scale Analysis},
booktitle={Proceedings of the 10th International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2015) - GRAPP},
year={2015},
pages={106-113},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005252201060113},
isbn={978-989-758-087-1},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the 10th International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2015) - GRAPP
TI - Context-sensitive Filtering of Terrain Data based on Multi Scale Analysis
SN - 978-989-758-087-1
IS - 2184-4321
AU - Goebbels, S.
AU - Pohle-Fröhlich, R.
PY - 2015
SP - 106
EP - 113
DO - 10.5220/0005252201060113
PB - SciTePress