CERN Accelerating science

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1.
Medipix3RX neutron camera for ambient radiation measurements in the CMS cavern / Bheesette, Srinidhi (Otago U. ; CERN) ; Lokhovitskiy, Arkady (CERN) ; Mallows, Sophie (CERN) ; Walsh, Michael F (MARS Bioimaging) ; Doesburg, Robert M N (MARS Bioimaging) ; Bell, Stephen T (MARS Bioimaging) ; Dabrowski, Anne (CERN) ; Butler, Anthony P H (Otago U. ; CERN ; MARS Bioimaging ; Canterbury U.) ; Butler, Philip H (Otago U. ; CERN ; MARS Bioimaging ; Canterbury U.) ; Adebileje, Sikiru A (Otago U.) et al.
We describe a CMS-Medipix3RX neutron camera developed by adapting and modifying detector readout electronics developed at the University of Canterbury. The readout electronics are part of the MARS x-ray scanner used for imaging applications [1]. [...]
2019 - 6 p. - Published in : 10.1109/NSSMIC.2018.8824390
In : 2018 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC 2018), Sydney, Australia, 10 - 17 Nov 2018, pp.8824390
2.
Assessment of metal implant induced artefacts using photon counting spectral CT / Amma, Maya Rajeswari (Otago U.) ; Butler, Anthony P H (MARS Bioimaging ; Canterbury U. ; Otago U.) ; Raja, Aamir Y (Otago U.) ; Bamford, Benjamin (Otago U.) ; Butler, Philip (MARS Bioimaging ; Canterbury U. ; Otago U.) ; Walker, E Peter (Otago U.) ; Matanaghi, Aysouda (Otago U.) ; Adebileje, Sikiru A (Otago U. ; Canterbury U.) ; Anderson, Nigel (Otago U.) ; Anjomrouz, Marzieh (MARS Bioimaging) et al.
The aim is to perform qualitative and quantitative assessment of metal induced artefacts of small titanium biomaterials using photon counting spectral CT. The energy binning feature of some photon counting detectors enables the measured spectrum to be segmented into low, mid and high energy bins in a single exposure. [...]
2019 - 8 p. - Published in : Proc. SPIE 11113 (2019) 111131D
In : Developments in X-Ray Tomography XII, San Diego, CA, United States, 11 - 15 Aug 2019, pp.111131D
3.
MARS pre-clinical imaging: the benefits of small pixels and good energy data / Butler, Philip H (MARS Bioimaging ; Canterbury U. ; Otago U.) ; Adebileje, Sikiru A (Otago U. ; Canterbury U.) ; Alexander, Steven D (MARS Bioimaging) ; Amma, Maya R (Otago U.) ; Amjomrouz, Marzieh (MARS Bioimaging) ; Asghariomabad, Fatemeh (Otago U.) ; Atharifard, Ali (MARS Bioimaging) ; Atlas, James (Canterbury U.) ; Bamford, Benjamin (Otago U.) ; Bell, Stephen T (MARS Bioimaging) et al.
Images from MARS spectral CT scanners show that there is much diagnostic value from using small pixels and good energy data. MARS scanners use energy-resolving photon-counting CZT Medipix3RX detectors that measure the energy of photons on a five-point scale and with a spatial resolution of 110 microns. [...]
2019 - Published in : Proc. SPIE 11113 (2019) 111130C
In : Developments in X-Ray Tomography XII, San Diego, CA, United States, 11 - 15 Aug 2019, pp.111130C
4.
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;
5.
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
6.
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

Vegeu també: autors amb noms similars
1 Broeke, L Vanden
1 Broeke, L. Vanden
3 Broeke, Lieza Vanden
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