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The international workshop "Artefacts in X-Ray Tomography" held from 9 to 13 February 2015 at the Lorentz Center in Leiden, The Netherlands, aimed at initiate an in-depth discussion on the various artefacts that arise in X-ray computed tomography both using laboratory and synchrotron sources. The mismatch between the models based on theoretical X-ray physics and the real-world experiments plays a crucial role in making advanced algorithms work well on complex measurement data.

The aim of this web page is to collect projects, activities and ideas discussed during the workshop where both experimentalists and mathematicians took part in the discussion. The main goal of this collaboration is to implement existing and develop new numerical methods to improve the quality of tomography images.

The "Survivors"

 

Ahead of the workshop a data bank containing experimental data leading to artefacts was created. The data bank will stay alive with new challenging data set being uploaded from time to time.  During the workshop several working group formed to propose solution and to exchange knowledge between experimentalists and mathematicians, smaller groups were formed on the following topics:

 

  1. Region-of-Interest Tomography
  2. X-ray micro-CT (Richard Ketcham's group)
  3. Full system calibration (including detector response, mainly related to the UCL setup)
  4. Fluid flow reconstruction in CT
  5. Reconstruction from limited and noisy data
  6. Correction for motion introduced during acquisition
  7. Quality measures for tomography scans
  8. Sample Motion.pdf

 

LearningApproachesGroup.pdf

 

LearningApproachesGroup.pdf

 

 

 

  1. Data Quality

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