Acknowledgements
================

Authors, publications and funding
---------------------------------

Authors
'''''''

* **Kristian Bredies**, University of Graz, kristian.bredies@uni-graz.at
* **Richard Huber**, University of Graz, richard.huber@uni-graz.at

Publications
''''''''''''

If you find the toolbox useful, please cite the following associated publications.

* Kristian Bredies and Richard Huber. (2021). *Convergence analysis of pixel-driven Radon and fanbeam transforms.* SIAM Journal on Numerical Analysis 59(3), 1399–1432. https://doi.org/10.1137/20M1326635.

* Kristian Bredies and Richard Huber. (2021). *Gratopy 0.1* [Software]. Zenodo. https://doi.org/10.5281/zenodo.5221442

Funding
'''''''

The development of this software was supported by the following projects:

* **Regularization Graphs for Variational Imaging**, funded by the Austrian Science Fund (FWF), grant P-29192,

* **International Research Training Group IGDK 1754 Optimization and Numerical Analysis for Partial Differential Equations with Nonsmooth Structures**, funded by the German Research Council (DFG) and the Austrian Science Fund (FWF), grant W-1244.

Used data sets and code
-----------------------

The walnut data set included in this toolbox is licensed under `CC BY 4.0 <https://creativecommons.org/licenses/by/4.0/>`_ and available on Zenodo_:

* Keijo Hämäläinen, Lauri Harhanen, Aki Kallonen, Antti Kujanpää, Esa Niemi and Samuli Siltanen. (2015). *Tomographic X-ray data of a walnut* (Version 1.0.0) [Data set]. Zenodo. http://doi.org/10.5281/zenodo.1254206

The phantom creation code is based on Phantominator_, copyright by its contributors and licensed under `GPLv3 <https://github.com/mckib2/phantominator/blob/master/LICENSE>`_. See https://github.com/mckib2/phantominator.

.. _phantominator: https://github.com/mckib2/phantominator
.. _zenodo: https://zenodo.org

License
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`GNU GENERAL PUBLIC LICENSE Version 3  <https://github.com/kbredies/gratopy/blob/master/LICENSE>`_