19 citations · 26 across the 2 of their papers we have counts for
3 papers
Shape recovery from sparse tomographic X-ray data
Heikki Haario, Aki Kallonen, Marko Laine +3
A two-dimensional tomographic problem is studied. The target is assumed to be a homogeneous object bounded by a smooth curve. A Non Uniform Rational Basis Splines (NURBS) curve is…
Tomographic X-ray data of a walnut
Keijo Hämäläinen, Lauri Harhanen, Aki Kallonen +3
This is the documentation of the tomographic X-ray data of a walnut made available at http://www.fips.fi/dataset.php . The data can be freely used for scientific purposes with appr…
Multi-resolution parameter choice method for total variation regularized tomography
Kati Niinimäki, Matti Lassas, Keijo Hämäläinen +4
A computational method is introduced for choosing the regularization parameter for total variation (TV) regularization. The approach is based on computing reconstructions at a few…