Article | Proceedings of SIGRAD 2011. Evaluations of Graphics and Visualization — Efficiency; Usefulness; Accessibility; Usability; November 17-18; 2011; KTH; Stockholm; Sweden | Quantification of gaseous structures with volumetric reconstruction from visual hulls

Title:
Quantification of gaseous structures with volumetric reconstruction from visual hulls
Author:
S. Seipel: Faculty of Engineering and Sustainable Technology, University of Gävle, Sweden & Centre of Image Analysis, Uppsala University, Sweden P. Jenke: Faculty of Engineering and Sustainable Technology, University of Gävle, Sweden
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Full text (pdf)
Year:
2011
Conference:
Proceedings of SIGRAD 2011. Evaluations of Graphics and Visualization — Efficiency; Usefulness; Accessibility; Usability; November 17-18; 2011; KTH; Stockholm; Sweden
Issue:
065
Article no.:
011
Pages:
77-82
No. of pages:
6
Publication type:
Abstract and Fulltext
Published:
2011-11-21
ISBN:
978-91-7393-008-6
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press; Linköpings universitet


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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.

Proceedings of SIGRAD 2011. Evaluations of Graphics and Visualization — Efficiency; Usefulness; Accessibility; Usability; November 17-18; 2011; KTH; Stockholm; Sweden

Author:
S. Seipel, P. Jenke
Title:
Quantification of gaseous structures with volumetric reconstruction from visual hulls
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Proceedings of SIGRAD 2011. Evaluations of Graphics and Visualization — Efficiency; Usefulness; Accessibility; Usability; November 17-18; 2011; KTH; Stockholm; Sweden

Author:
S. Seipel, P. Jenke
Title:
Quantification of gaseous structures with volumetric reconstruction from visual hulls
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