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1.
MARS-MD: rejection based image domain material decomposition / Bateman, C.J. (MARS Bioimaging ; U. Otago, Dept. Radiol. ; Canterbury U. ; Lincoln Agritech Limited, New Zealand) ; Knight, D. (U. Otago, Dept. Radiol.) ; Brandwacht, B. (Twente U., Enschede) ; Mahon, J., MC (Canterbury U.) ; Healy, J. (U. Canterbury, Dept. Biol.) ; Panta, R. (U. Otago, Dept. Radiol. ; MARS Bioimaging) ; Aamir, R. (U. Otago, Dept. Radiol.) ; Rajendran, K. (U. Otago, Dept. Radiol.) ; Moghiseh, M. (U. Otago, Dept. Radiol.) ; Ramyar, M. (U. Otago, Dept. Radiol.) et al.
This paper outlines image domain material decomposition algorithms that have been routinely used in MARS spectral CT systems. These algorithms (known collectively as MARS-MD) are based on a pragmatic heuristic for solving the under-determined problem where there are more materials than energy bins. [...]
arXiv:1802.05366.- 2018-03-16 - Published in : JINST 13 (2018) P05020-P05020 Preprint: arXiv:1802.05366 - PDF; 10.1088.1748-0221.13.05.P05020 - PDF;
2.
Per-pixel energy calibration of photon counting detectors / Atharifard, A (Otago U.) ; Healy, J L (Canterbury U.) ; Goulter, B P (MARS Center) ; Ramyar, M (Otago U.) ; Broeke, L Vanden (Canterbury U.) ; Walsh, M F ; Onyema, C C (Canterbury U.) ; Panta, R K (Otago U.) ; Aamir, R (Otago U.) ; Smithies, D J et al.
Energy resolving performance of spectral CT systems is influenced by the accuracy of the detector's energy calibration. Global energy calibration maps a given threshold to the average energy response of all pixels of the detector. [...]
2017 - 12 p. - Published in : JINST 12 (2017) C03085 Fulltext: pdf - PDF; 10.1088_1748-0221_12_03_C03085 - PDF;
In : 18th International Workshop on Radiation Imaging Detectors, Barcelona, Spain, 03 - 07 Jul 2016, pp.C03085
3.
Oblique fluorescence in a MARS scanner with a CdTe-Medipix3RX / Broeke, L Vanden (Canterbury U.) ; Atharifard, A. (Unlisted, NZ) ; Goulter, B.P. (Unlisted, NZ) ; Healy, J.L. (Unlisted, NZ) ; Ramyar, M. (Unlisted, NZ) ; Panta, R.K. (Unlisted, NZ ; Unlisted, NZ) ; Anjomrouz, M. (Unlisted, NZ) ; Shamshad, M. (Unlisted, NZ) ; Largeau, A. (Telecom Phys., Strasbourg) ; Mueller, K. (Lubeck, Fachhochschule) et al.
The latest version of the MARS small bore scanner makes use of the Medipix3RX ASIC, bonded to a CdTe or CZT semi-conductor layer, to count x-ray photons and create a spectroscopic CT data set. The MARS imaging chain uses the energy-resolved 2D transmission images to construct quantitative 3D spectral and material images. [...]
2016 - Published in : JINST 11 (2016) C12063 IOP Open Access article: PDF;
In : 18th International Workshop on Radiation Imaging Detectors, Barcelona, Spain, 03 - 07 Jul 2016, pp.C12063
4.
Construction of Planar diagrams / Cahalan, R F ; Knight, D
COO-3533-57 ; COO-3533-57-SU-4208-57.
- 1976. - 37 p.

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