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A Monte Carlo program for the calculation of contrast, noise and absorbed dose in diagnostic radiology
Linköpings universitet, Institutionen för medicin och hälsa, Medicinsk radiofysik. Linköpings universitet, Centrum för medicinsk bildvetenskap och visualisering, CMIV. Östergötlands Läns Landsting, Kirurgi- och onkologicentrum, Radiofysikavdelningen. Linköpings universitet, Hälsouniversitetet.ORCID-id: 0000-0003-3352-8330
The Royal Marsden Hospital.
Linköpings universitet, Institutionen för medicin och hälsa, Medicinsk radiofysik. Linköpings universitet, Hälsouniversitetet.
Linköpings universitet, Institutionen för medicin och hälsa, Medicinsk radiofysik. Linköpings universitet, Hälsouniversitetet.ORCID-id: 0000-0003-0209-498X
1994 (engelsk)Inngår i: Computer Methods and Programs in Biomedicine, ISSN 0169-2607, E-ISSN 1872-7565, Vol. 42, nr 3, s. 167-180Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A Monte Carlo computer program has been developed for the simulation of X-ray photon transport in diagnostic X-ray examinations. The simulation takes account of the incident photon energy spectrum and includes a phantom (representing the patient), an anti-scatter grid and an image receptor. The primary objective for developing the program was to study and optimise the design of anti-scatter grids. The program estimates image quality in terms of contrast and signal-to-noise ratio, and radiation risk in terms of mean absorbed dose in the patient. It therefore serves as a tool for the optimisation of the radiographic procedure. A description is given of the program and the variance-reduction techniques used. The computational method was validated by comparison with measurements and other Monte Carlo simulations.

sted, utgiver, år, opplag, sider
1994. Vol. 42, nr 3, s. 167-180
Emneord [en]
Monte Carlo; Photon transport; Anti-scatter grid; Absorbed dose; Image quality; Optimisation
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Identifikatorer
URN: urn:nbn:se:liu:diva-20942DOI: 10.1016/0169-2607(94)90127-9OAI: oai:DiVA.org:liu-20942DiVA, id: diva2:236853
Tilgjengelig fra: 2009-09-25 Laget: 2009-09-25 Sist oppdatert: 2017-12-13

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