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Documents authored by Hahmann, Stefanie

Document
DOI: 10.4230/DagRep.4.5.68
Geometric Modeling (Dagstuhl Seminar 14221)

Authors: Falai Chen, Tor Dokken, Thomas A. Grandine, and Stefanie Hahmann

Published in: Dagstuhl Reports, Volume 4, Issue 5 (2014)

Abstract
This report documents the program and the outcomes of Dagstuhl Seminar 14221 "Geometric Modeling". This is the 9th Dagstuhl seminar on "Geometric Modeling", and the seminar was attended by 44 leading researchers coming from 3 continents and 20 countries. A total of 45 presentations were grouped together into 12 lecture sessions and 3 perspective working group sessions. There was also ample time for stimulating and fruitful person to person and group discussions in the harmonic Dagstuhl atmosphere.
Cite as

Falai Chen, Tor Dokken, Thomas A. Grandine, and Stefanie Hahmann. Geometric Modeling (Dagstuhl Seminar 14221). In Dagstuhl Reports, Volume 4, Issue 5, pp. 68-94, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2014)

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@Article{chen_et_al:DagRep.4.5.68,
  author =	{Chen, Falai and Dokken, Tor and Grandine, Thomas A. and Hahmann, Stefanie},
  title =	{{Geometric Modeling (Dagstuhl Seminar 14221)}},
  pages =	{68--94},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2014},
  volume =	{4},
  number =	{5},
  editor =	{Chen, Falai and Dokken, Tor and Grandine, Thomas A. and Hahmann, Stefanie},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.4.5.68},
  URN =		{urn:nbn:de:0030-drops-46815},
  doi =		{10.4230/DagRep.4.5.68},
  annote =	{Keywords: Geometric modeling, material modeling, locally refinable splines, isogeometric analysis, mesh processing, algebraic methods}
}
Document
DOI: 10.4230/DagRep.1.5.84
Geometric Modeling (Dagstuhl Seminar 11211)

Authors: Thomas A. Grandine, Stefanie Hahmann, Jörg Peters, and Wenping Wang

Published in: Dagstuhl Reports, Volume 1, Issue 5 (2011)

Abstract
This report documents the program and the results of Dagstuhl Seminar 11211 ``Geometric Modeling'', taking place May 22-27 2011. The focus of the seminar was to discuss modern and emerging topics in Geometric Modeling by researchers and industrial scientists from all over the world.
Cite as

Thomas A. Grandine, Stefanie Hahmann, Jörg Peters, and Wenping Wang. Geometric Modeling (Dagstuhl Seminar 11211). In Dagstuhl Reports, Volume 1, Issue 5, pp. 84-107, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2011)

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@Article{grandine_et_al:DagRep.1.5.84,
  author =	{Grandine, Thomas A. and Hahmann, Stefanie and Peters, J\"{o}rg and Wang, Wenping},
  title =	{{Geometric Modeling (Dagstuhl Seminar 11211)}},
  pages =	{84--107},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2011},
  volume =	{1},
  number =	{5},
  editor =	{Grandine, Thomas A. and Hahmann, Stefanie and Peters, J\"{o}rg and Wang, Wenping},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.1.5.84},
  URN =		{urn:nbn:de:0030-drops-32132},
  doi =		{10.4230/DagRep.1.5.84},
  annote =	{Keywords: Geometric modeling, design, curve and surface modeling, splines, CAD, B-splines, reconstruction, subdivision methods, multiresolution, parameterization}
}
Document
DOI: 10.4230/OASIcs.VLUDS.2010.90
Methods for Feature Detection in Point Clouds

Authors: Christopher Weber, Stefanie Hahmann, and Hans Hagen

Published in: OASIcs, Volume 19, Visualization of Large and Unstructured Data Sets - Applications in Geospatial Planning, Modeling and Engineering (IRTG 1131 Workshop) (2011)

Abstract
This paper gives an overview over several techniques for detection of features, and in particular sharp features, on point-sampled geometry. In addition, a new technique using the Gauss map is shown. Given an unstructured point cloud, this method computes a Gauss map clustering on local neighborhoods in order to discard all points that are unlikely to belong to a sharp feature. A single parameter is used in this stage to control the sensitivity of the feature detection.
Cite as

Christopher Weber, Stefanie Hahmann, and Hans Hagen. Methods for Feature Detection in Point Clouds. In Visualization of Large and Unstructured Data Sets - Applications in Geospatial Planning, Modeling and Engineering (IRTG 1131 Workshop). Open Access Series in Informatics (OASIcs), Volume 19, pp. 90-99, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2011)

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@InProceedings{weber_et_al:OASIcs.VLUDS.2010.90,
  author =	{Weber, Christopher and Hahmann, Stefanie and Hagen, Hans},
  title =	{{Methods for Feature Detection in Point Clouds}},
  booktitle =	{Visualization of Large and Unstructured Data Sets - Applications in Geospatial Planning, Modeling and Engineering (IRTG 1131 Workshop)},
  pages =	{90--99},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-29-3},
  ISSN =	{2190-6807},
  year =	{2011},
  volume =	{19},
  editor =	{Middel, Ariane and Scheler, Inga and Hagen, Hans},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.VLUDS.2010.90},
  URN =		{urn:nbn:de:0030-drops-31018},
  doi =		{10.4230/OASIcs.VLUDS.2010.90},
  annote =	{Keywords: point cloud, sharp features, reconstruction, Gaussmap, clustering}
}
Document
DOI: 10.4230/DagSemProc.08221.1
08221 Abstracts Collection – Geometric Modeling

Authors: Gerald Farin, Stefanie Hahmann, Jörg Peters, and Wenping Wang

Published in: Dagstuhl Seminar Proceedings, Volume 8221, Geometric Modeling (2008)

Abstract
From May 26 to May 30 2008 the Dagstuhl Seminar 08221 ``Geometric Modeling'' was held in the International Conference and Research Center (IBFI), Schloss Dagstuhl. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar as well as abstracts of seminar results and ideas are put together in this paper. The first section describes the seminar topics and goals in general. Links to extended abstracts or full papers are provided, if available.
Cite as

Gerald Farin, Stefanie Hahmann, Jörg Peters, and Wenping Wang. 08221 Abstracts Collection – Geometric Modeling. In Geometric Modeling. Dagstuhl Seminar Proceedings, Volume 8221, pp. 1-19, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2008)

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@InProceedings{farin_et_al:DagSemProc.08221.1,
  author =	{Farin, Gerald and Hahmann, Stefanie and Peters, J\"{o}rg and Wang, Wenping},
  title =	{{08221 Abstracts Collection – Geometric Modeling}},
  booktitle =	{Geometric Modeling},
  pages =	{1--19},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2008},
  volume =	{8221},
  editor =	{Gerald Farin and Stefanie Hahmann and J\"{o}rg Peters and Wenping Wang},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.08221.1},
  URN =		{urn:nbn:de:0030-drops-15381},
  doi =		{10.4230/DagSemProc.08221.1},
  annote =	{Keywords: Geometry, engineering, volumetric modeling, computer graphics}
}
Document
DOI: 10.4230/DagSemProc.08221.2
08221 Summary – Geometric Modeling

Authors: Gerald Farin, Stefanie Hahmann, Jörg Peters, and Wenping Wang

Published in: Dagstuhl Seminar Proceedings, Volume 8221, Geometric Modeling (2008)

Abstract
Geometric Modeling is an area drawing from computer science, mathematics, engineering, and the life sciences. It is concerned with the computer representation of objects as diverse as - brain scans - mathematical functions - terrains - airplane wings and many more. The seminar succeeded in bringing together leading researchers to present and discuss radically different approaches to the challenge of modeling complex geometric phenomena on the computer. Acquisition, representation and analysis of 3-dimensional geometry call for the combination of technically complex and often interdisciplinary approaches that are grounded both in classical mathematics and computer science data structures and theory.
Cite as

Gerald Farin, Stefanie Hahmann, Jörg Peters, and Wenping Wang. 08221 Summary – Geometric Modeling. In Geometric Modeling. Dagstuhl Seminar Proceedings, Volume 8221, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2008)

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@InProceedings{farin_et_al:DagSemProc.08221.2,
  author =	{Farin, Gerald and Hahmann, Stefanie and Peters, J\"{o}rg and Wang, Wenping},
  title =	{{08221 Summary – Geometric Modeling}},
  booktitle =	{Geometric Modeling},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2008},
  volume =	{8221},
  editor =	{Gerald Farin and Stefanie Hahmann and J\"{o}rg Peters and Wenping Wang},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.08221.2},
  URN =		{urn:nbn:de:0030-drops-15379},
  doi =		{10.4230/DagSemProc.08221.2},
  annote =	{Keywords: Geometry, engineering, volumetric modeling, computer graphics}
}
Document
DOI: 10.4230/DagSemProc.05221.1
05221 Report of the Dagstuhl seminar on – Geometric Modelling

Authors: Stefanie Hahmann, Guido Brunnett, Gerald Farin, and Ron Goldman

Published in: Dagstuhl Seminar Proceedings, Volume 5221, Geometric Modeling (2005)

Abstract
From 29.05.05 to 03.06.05, the Dagstuhl Seminar 05221 ``Geometric Modeling'' was held in the International Conference and Research Center (IBFI), Schloss Dagstuhl. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar as well as abstracts of seminar results and ideas are put together in this paper. The first section describes the seminar topics and goals in general. Links to extended abstracts or full papers are provided, if available.
Cite as

Stefanie Hahmann, Guido Brunnett, Gerald Farin, and Ron Goldman. 05221 Report of the Dagstuhl seminar on – Geometric Modelling. In Geometric Modeling. Dagstuhl Seminar Proceedings, Volume 5221, pp. 1-21, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2005)

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@InProceedings{hahmann_et_al:DagSemProc.05221.1,
  author =	{Hahmann, Stefanie and Brunnett, Guido and Farin, Gerald and Goldman, Ron},
  title =	{{05221 Report of the Dagstuhl seminar on – Geometric Modelling}},
  booktitle =	{Geometric Modeling},
  pages =	{1--21},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2005},
  volume =	{5221},
  editor =	{Stefanie Hahmann and Guido Brunnett and Gerald Farin and Ron Goldman},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.05221.1},
  URN =		{urn:nbn:de:0030-drops-3663},
  doi =		{10.4230/DagSemProc.05221.1},
  annote =	{Keywords: Biomedical applications, geometry processing for computer graphics, multiresolution methods for complex geometry, reverse engineering of CAD/CAM model modeling with constraints, Bezier and B-spline techniques for curve and surface design, subdivision methods}
}
Document
DOI: 10.4230/DagSemRep.341
Geometric Modelling (Dagstuhl Seminar 02201)

Authors: Guido Brunnett, Gerald Farin, Ron Goldman, and Stefanie Hahmann

Published in: Dagstuhl Seminar Reports. Dagstuhl Seminar Reports, Volume 1 (2021)

Abstract
Cite as

Guido Brunnett, Gerald Farin, Ron Goldman, and Stefanie Hahmann. Geometric Modelling (Dagstuhl Seminar 02201). Dagstuhl Seminar Report 341, pp. 1-20, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2002)

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@TechReport{brunnett_et_al:DagSemRep.341,
  author =	{Brunnett, Guido and Farin, Gerald and Goldman, Ron and Hahmann, Stefanie},
  title =	{{Geometric Modelling (Dagstuhl Seminar 02201)}},
  pages =	{1--20},
  ISSN =	{1619-0203},
  year =	{2002},
  type = 	{Dagstuhl Seminar Report},
  number =	{341},
  institution =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemRep.341},
  URN =		{urn:nbn:de:0030-drops-152225},
  doi =		{10.4230/DagSemRep.341},
}
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