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Quantification of gaseous structures with volumetric reconstruction from visual hulls
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Industrial Development, IT and Land Management, Computer science. (Datavetenskap)ORCID iD: 0000-0003-0085-5829
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Industrial Development, IT and Land Management, Computer science. (Datavetenskap)
2011 (English)In: Proceedings of SIGRAD 2011. Evaluations of Graphics and Visualization, November 17–18, 2011, KTH, Stockholm, Sweden, 2011, p. 77-82Conference paper, Published paper (Refereed)
Abstract [en]

3D reconstruction from visual hulls is a well established technique for camera based reconstruction of 3D objects in computer graphics. We propose in this paper to employ visual hull techniques to quantify the volume of diffusely defined gaseous structures. In our evaluation, visual quality of the 3D reconstructions is secondary. Instead, using synthetic ground truth data, we determine the number of independent silhouette images needed to achieve a stable volume estimate. We also estimate the influence of different segmentation results of the silhouette images on final volume estimates. Our results show that comparably few camera views yield to convergent volume estimates. For the type of 3D data studied, visual hull reconstructions overestimate actual volumes with about 50%. This proportion seems to be consistent for different data sets tested and may serve for re-calibration of volume estimation of gaseous structures.

Place, publisher, year, edition, pages
2011. p. 77-82
National Category
Computer Engineering
Identifiers
URN: urn:nbn:se:hig:diva-12948OAI: oai:DiVA.org:hig-12948DiVA, id: diva2:553211
Conference
SIGRAD 2011, November 17–18, 2011, KTH, Stockholm, Sweden
Available from: 2012-09-18 Created: 2012-09-18 Last updated: 2018-03-13Bibliographically approved

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Seipel, StefanJenke, Peter

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Citation style
  • apa
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  • ieee
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  • sv-SE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
  • de-DE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf