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- Zobel, ValentinLeipzig University, Leipzig, Germany (author)
Visualizing Symmetric Indefinite 2D Tensor Fields using the Heat Kernel Signature
- Article/chapterEnglish2015
Publisher, publication year, extent ...
- Cham :Springer,2015
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:liu-127651
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-127651URI
- https://doi.org/10.1007/978-3-319-15090-1_13DOI
Supplementary language notes
- Language:English
- Summary in:English
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Notes
- The Heat Kernel Signature (HKS) is a scalar quantity which is derived from the heat kernel of a given shape. Due to its robustness, isometry invariance, and multiscale nature, it has been successfully applied in many geometric applications. From a more general point of view, the HKS can be considered as a descriptor of the metric of a Riemannian manifold. Given a symmetric positive definite tensor field we may interpret it as the metric of some Riemannian manifold and thereby apply the HKS to visualize and analyze the given tensor data. In this paper, we propose a generalization of this approach that enables the treatment of indefinite tensor fields, like the stress tensor, by interpreting them as a generator of a positive definite tensor field. To investigate the usefulness of this approach we consider the stress tensor from the two-point-load model example and from a mechanical work piece.
Subject headings and genre
- NATURVETENSKAP Data- och informationsvetenskap Datorseende och robotik hsv//swe
- NATURAL SCIENCES Computer and Information Sciences Computer Vision and Robotics hsv//eng
- tensor field visualization
Added entries (persons, corporate bodies, meetings, titles ...)
- Reininghaus, JanInstitute of Science and Technology Austria, Klosterneuburg, Austria (author)
- Hotz, Ingrid,1967-Linköpings universitet,Medie- och Informationsteknik,Tekniska fakulteten,vetenskapliga visualisering(Swepub:liu)ingho32 (author)
- Leipzig University, Leipzig, GermanyInstitute of Science and Technology Austria, Klosterneuburg, Austria (creator_code:org_t)
Related titles
- In:Visualization and Processing of Tensors and Higher Order Descriptors for Multi-Valued DataCham : Springer, s. 257-26797833191508959783319150901
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- http://libris.kb.se/bib/18266691Find book at a Swedish library/hitta boken i ett svenskt bibliotek
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- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-127651
- https://doi.org/10.1007/978-3-319-15090-1_13
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