Publications
"Discrete tomography in an in vivo small animal bone study",
Journal of Bone and Mineral Metabolism, vol. 36, issue 1, pp. 40–53, 2018.
"Discrete tomographic reconstruction from deliberately motion blurred X-ray projections",
6th Conference on Industrial Computed Tomography, Wels, Austria, pp. 1-6, 2016.
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"Easy implementation of advanced tomography algorithms using the ASTRA toolbox with Spot operators",
Numerical Algorithms, vol. 71, no. 3, pp. 673-697, 2016.
"Fast and Flexible X-ray Tomography Using the ASTRA Toolbox",
Optics Express, vol. 24, no. 22, pp. 25129-25147, 2016.
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"An accurate projection model for diffraction image formation and inversion using a polychromatic cone beam",
Journal of Applied Crystallography, vol. 48, pp. 334-343, 2015.
"The ASTRA Toolbox: a platform for advanced algorithm development in electron tomography",
Ultramicroscopy, vol. 157, pp. 35–47, 2015.
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"Filtered backprojection using algebraic filters; Application to biomedical micro-CT data",
International Symposium on Biomedical Imaging (ISBI), pp. 1596-1599, 2015.
"A multi-level preconditioned Krylov method for the efficient solution of algebraic tomographic reconstruction problems",
Journal of Computational and Applied Mathematics, vol. 238, issue 1, pp. 1-16, 2015.
"Super-resolution for computed tomography based on discrete tomography",
IEEE Transactions on Image Processing, vol. 23, issue 3, pp. 1181 - 1193, 2014.
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"DART: a new approach for super-resolution reconstruction of license plates",
Journal of Electronic Imaging, vol. 22, issue 4, 2013.
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"Memory access optimization for iterative tomography on many-core architectures",
The 12th International Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, pp. 364-367, 2013.
fully3d_wvaarle.pdf (2.8 MB)

"Super-Resolution of License Plate Images using Algebraic Reconstruction Technique",
Journal of Image and Graphics, vol. 1, issue 2, USA, Engineering and Technology Publishing (ETP), pp. 94 - 98, 2013.
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"Automatic parameter estimation for the Discrete Algebraic Reconstruction Technique (DART)",
IEEE Transactions on Image Processing, vol. 21, issue 11, pp. 4608-4621, 2012.
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"Tomographic segmentation and discrete tomography for quantitative analysis of transmission tomography data",
Department of Physics, Antwerp, Belgium, University of Antwerp, pp. 190, 2012.
Download PhD thesis (39.16 MB)

"Efficient parameter estimation for discrete tomography using adaptive modeling",
11th International Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 07/2011.
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"Optimal threshold selection for segmentation of dense homogeneous objects in tomographic reconstructions",
IEEE Transactions on Medical Imaging, vol. 30, no. 4, pp. 980-989, 2011.
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"A Semi-Automatic Algorithm for Grey Level Estimation in Tomography",
Pattern Recognition Letters, vol. 32, no. 9, pp. 1395-1405, July, 2011.
"A 3-dimensional discrete tomography approach for superresolution micro-CT images: application to foams",
The first international conference on image formation in X-ray computed tomography, pp. 45-48, June, 2010.
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"A discrete tomography approach for superresolution micro-CT images",
IEEE International Symposium on Biomedical Imaging, Rotterdam, pp. 816-819, April, 2010.
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"Grey Level Estimation for Discrete Tomography",
Discrete Geometry for Computer Imaging, vol. 5810: Springer, pp. 517-529, September, 2009.
"Computed tomography on all scales using the ASTRA toolbox",
Liege Image Days 2008: Medical Imaging, 2008.
wvaarle_poster.pdf (610.59 KB)

"Threshold Selection for Segmentation of Dense Objects in Tomograms",
International Symposium on Visual Computing, vol. 5358, Berlin Heidelberg, Springer-Verlag, pp. 700-709, December, 2008.