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Investigating measures for transfer function generation for visualization of MET biomedical data
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Centre for Image Analysis. Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computerized Image Analysis and Human-Computer Interaction.
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Centre for Image Analysis. Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computerized Image Analysis and Human-Computer Interaction.
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Centre for Image Analysis. Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computerized Image Analysis and Human-Computer Interaction.
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Centre for Image Analysis. Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computerized Image Analysis and Human-Computer Interaction.
2011 (English)In: WSCG '2011: Communication Papers Proceedings / [ed] Baranoski, Gladimir; Skala, Vaclav, Plzen, Czech Republic: Union Agency , 2011, 113-120 p.Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, the question of automatically setting transfer functions for volume images is further explored. Morespecifically, the focus is automatic visualization of Molecular Electron Tomography (MET) volume images usingone-dimensional transfer functions. We investigate how well a few general measures based on density, gradient,curvature and connected component information are suited for generating these transfer functions. To assessthis, an expert has set suitable transfer function levels manually and we have studied how these levels relate todifferent characteristics of the selected measures for 29 data sets. We have found that the measures can be used toautomatically generate a transfer function used to visualize MET data, to give the user an approximate view of thecomponents in the image.

Place, publisher, year, edition, pages
Plzen, Czech Republic: Union Agency , 2011. 113-120 p.
Keyword [en]
Volume visualization, direct volume rendering, transfer functions, automatic visualization, molecular electron tomography
National Category
Computer Vision and Robotics (Autonomous Systems)
Research subject
Computerized Image Analysis
Identifiers
URN: urn:nbn:se:uu:diva-147167ISBN: 978-80-86943-82-4 (print)OAI: oai:DiVA.org:uu-147167DiVA: diva2:452396
Conference
19th International Conference on Computer Graphics, Visualization and Computer Vision 2011, January 31 – February 3, Plzen, Czech Republic
Projects
ProViz
Available from: 2011-10-31 Created: 2011-02-24 Last updated: 2011-11-09Bibliographically approved

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Svensson, LennartNyström, IngelaSintorn, Ida-Maria

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