RTK/Meetings/OnImageQualityInStaticCBCT

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Date

Friday, July 31, 2015

Venue

  • Salle Marcel Dargent, 2ème étage, centre Léon Bérard, Lyon, France. The room has a videoconference equipment.
  • Information on how to come to the Léon Bérard center is available here.
  • Hotels: there are a few options around at a walking distance of the Léon Bérard center, any option along the metro line metro D is good.

Attending

  • Simon Rit, CREATIS, Lyon, France
  • Jean Michel Létang, CREATIS, Lyon, France
  • Gloria Vilches Freixas, CREATIS, Lyon, France
  • Philipp Steininger, radART / MedPhoton, Salzburg, Austria
  • Sébastien Brousmiche, IBA, Louvain-La-Neuve, Belgium
  • Geoff Hugo, VCU, USA
  • Yu Liu, ETHZ, Switzerland
  • Mathieu Dupont, CPPM, France
  • Thibault Notargiacomo, GIPSA / Thales, France
  • Edward Romero, Safran, France

Problems addressed

  • X-ray tube (geometric blurring, focal spot movements, fluctuations, heel effect)
  • Detector lag
  • Scatter glare
  • Patient scatter
  • Beam hardening
  • Statistical noise
  • Geometric calibration
  • Truncation

Agenda

  • 9h00 - Welcome coffee, round table
  • 9h30 - Presentation of cone-beam CT systems, review of characteristics (x-ray source, flat panel, geometry)
  • 10h00 - Summary of artefact sources
  • 10h45 - Break
  • 11h00 - Detector effects (lag and glare)
  • 11h45 - Beam hardening
  • 12h30 - Lunch
  • 13h30 - Scatter
  • 14h45 - Quantum noise
  • 15h30 - Break
  • 16h00 - Geometric calibration
  • 16h45 - Discussion (summary and action points)

Existing RTK solutions

State-of-the-art algorithms that are missing

Solutions under development / Being investigated

  • Monte Carlo scatter correction (Simon Rit)