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Using the Hexagonal Grid for Three-Dimensional Images: Direct Fourier Method Reconstruction and Weighted Distance Transform.
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Centre for Image Analysis. Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computerized Image Analysis.
2006 (English)In: Proceedings of 18th International Conference on Pattern Recognition (ICPR 2006), vol 2, 2006, 1169-1172 p.Conference paper, Published paper (Refereed)
Abstract [en]

An image reconstruction technique for computed tomography (CT) images, the direct Fourier method, is shown to apply to non-standard grids. In CT, the 3D image is obtained by reconstructing 2D slices separately. We propose to use the Hexagonal grid for the 2D slices, resulting in 3D images on non-standard grids. Low-level image processing is also considered for these grids – optimal weights to be used for computing the weighted distance transform are calculated.

Place, publisher, year, edition, pages
2006. 1169-1172 p.
National Category
Computational Mathematics
Identifiers
URN: urn:nbn:se:uu:diva-21841DOI: 10.1109/ICPR.2006.1160ISBN: 0-7695-2521-0 (print)OAI: oai:DiVA.org:uu-21841DiVA: diva2:49614
Available from: 2007-01-04 Created: 2007-01-04 Last updated: 2010-06-29Bibliographically approved

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Publisher's full texthttp://dx.doi.org/10.1109/ICPR.2006.1160

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Strand, Robin

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