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  • 2020-2023  (3)
  • 2010-2014  (89)
  • 2005-2009  (92)
  • 2000-2004  (87)
Material
Years
Year
Language
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    The visual computer 16 (2000), S. 241-253 
    ISSN: 1432-2315
    Keywords: Key words: Morphing – Metamorphosis – Surface parametrization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: We describe a novel method for continuously transforming two triangulated models of arbitrary topology into each other. Equal global topology for both objects is assumed. However, extensions for genus changes during metamorphosis are provided. The proposed method addresses the major challenge in 3D metamorphosis, namely, specifying the morphing process intuitively with minimal user interaction and sufficient detail. Corresponding regions and point features are interactively identified. These regions are parametrized automatically and consistently, providing a basis for smooth interpolation. Suitable 3D interaction techniques offer a simple and intuitive control over the whole morphing process.
    Type of Medium: Electronic Resource
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  • 2
    Title: Visualization and mathematics III /
    Contributer: Hege, Hans-Christian , Polthier, Konrad
    Edition: 1
    Publisher: Berlin ¬[u.a.]¬ :Springer,
    Year of publication: 2003
    Pages: XII, 457 S.
    Series Statement: Mathematics and visualization
    ISBN: 3-540-01295-8
    Type of Medium: Book
    Language: English
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  • 3
    Title: VideoMath-Festival at ICM '98 /
    Contributer: Hege, Hans-Christian , Polthier, Konrad
    Edition: 1. Ed.
    Publisher: Berlin :Springer,
    Year of publication: 2005
    Series Statement: Springer VideoMath
    ISBN: 3-540-22112-3
    Type of Medium: Book
    Language: English
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  • 4
    Title: MathFilm Festival 2008 : a collection of mathematical videos
    Contributer: Polthier, Konrad , Aigner, Martin , Apostol, Tom M. , Emmer, Michele , Hege, Hans-Christian , Weinberg, Ulrich
    Edition: 1. Ed.
    Publisher: Berlin :Springer,
    Year of publication: 2008
    Series Statement: Springer VideoMath
    ISBN: 978-3-540-68902-7
    Type of Medium: Book
    Language: English
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  • 5
    Title: MathInsight 2002
    Contributer: Hege, Hans-Christian , Polthier, K. , Rumpf, M.
    Publisher: Berlin u.a. :Springer,
    Year of publication: 2001
    Pages: 15 S.
    Type of Medium: Book
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  • 6
    Book
    Book
    Berlin :Konrad-Zuse-Zentrum für Informationstechnik,
    Title: Visualizing Metastable Molecular Sets /; ZIB-Report 06-33
    Author: Schmidt-Ehrenberg, Johannes
    Contributer: Hege, Hans-Christian
    Publisher: Berlin :Konrad-Zuse-Zentrum für Informationstechnik,
    Year of publication: 2006
    Series Statement: ZIB-Report ZIB-Report 06-33
    ISSN: 1438-0064
    Type of Medium: Book
    Language: English
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  • 7
    Publication Date: 2020-03-09
    Description: Analysis of phenomena that simultaneously occur on quite different spatial and temporal scales require adaptive, hierarchical schemes to reduce computational and storage demands. For data represented as grid functions, the key are adaptive, hierarchical, time-dependent grids that resolve spatio-temporal details without too much redundancy. Here, so-called AMR grids gain increasing popularity. For visualization and feature identification/tracking, the underlying continuous function has to be faithfully reconstructed by spatial and temporal interpolation. Well designed interpolation methods yield better results and help to reduce the amount of data to be stored. We address the problem of temporal interpolation of AMR grid data, e.g.\ for creation of smooth animations or feature tracking. Intermediate grid hierarchies are generated by merging the cells on all refinement levels that are present in the key frames considered. Utilizing a clustering algorithm a structure of nested grids is induced on the resulting collection of cells. The grid functions are mapped to the intermediate hierarchy, thus allowing application of appropriate interpolation techniques.
    Keywords: ddc:000
    Language: English
    Type: reportzib , doc-type:preprint
    Format: application/postscript
    Format: application/pdf
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  • 8
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    Publication Date: 2020-03-09
    Description: An improved general-purpose technique for the visualization of symmetric positive definite tensor fields of rank two is described. It is based on a splatting technique that is built from tiny transparent glyph primitives which are capable to incorporate the full directional information content of a tensor. The result is an information-rich image that allows to read off the preferred directions in a tensor field at each point of a three-dimensional volume or two-dimensional surface. It is useful for analyzing slices or volumes of a three-dimensional tensor field and can be overlayed with standard volume rendering or color mapping. The application of the rendering technique is demonstrated on general relativistic data and the diffusion tensor field of a human brain.
    Keywords: ddc:000
    Language: English
    Type: reportzib , doc-type:preprint
    Format: application/postscript
    Format: application/pdf
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  • 9
    Publication Date: 2020-03-09
    Description: Regional hyperthermia, a clinical cancer therapy, is the main topic of the Sonderforschungsbereich Hyperthermia: Scientific Methods and Clinical Applications'' at Berlin. In recent years, technological improvements towards a better concentration of heat to the desired target region have been achieved. These include a rather sophisticated integrated software environment for therapy planning and a new hyperthermia applicator. In a next step, a detailed closed loop monitoring of the actual treatment is to be developed. For this purpose the hyperthermia applicator is combined with an MRI system, which will allow to check the positioning of the patients and to measure individual blood perfusion as well as the 3D temperature distribution. The measurements will then be employed for an on-line control of the whole treatment. In this intended setting, new fast feedback control algorithms will come into play.
    Keywords: ddc:000
    Language: English
    Type: reportzib , doc-type:preprint
    Format: application/postscript
    Format: application/pdf
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  • 10
    Publication Date: 2020-04-30
    Language: English
    Type: conferenceobject , doc-type:conferenceObject
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