onr:"swepub:oai:gup.ub.gu.se/117589"
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03034naa a2200289 4500 | |
| 001 | oai:gup.ub.gu.se/117589 | |
| 003 | SwePub | |
| 008 | 240528s2010 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://gup.ub.gu.se/publication/1175892 URI |
| 024 | 7 | a https://doi.org/10.1093/rpd/ncq0582 DOI |
| 040 | a (SwePub)gu | |
| 041 | a eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Svalkvist, Angelicau Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för radiofysik,Institute of Clinical Sciences, Department of Radiation Physics4 aut0 (Swepub:gu)xsvala |
| 245 | 1 0 | a The benefit of accounting for DQE variations in simulated dose reduction of digital radiographic systems |
| 264 | c 2010-02-22 | |
| 264 | 1 | b Oxford University Press (OUP),c 2010 |
| 520 | a Adding noise to clinical radiographs to simulate dose reduction can be used to investigate the relationship between dose level and clinical image quality without exposing patients to additional radiation. The purpose of the present paper was to examine the benefits of using a method that accounts for detective quantum efficiency (DQE) variations that may occur in different dose ranges in the simulated dose reduction process. A method initially intended for simulated dose reduction in tomosynthesis was applied to extremely low-dose posterioanterior radiographs of an anthropomorphic chest phantom, selected from a group of projection images included in a tomosynthesis examination and compared with a previous method that do not account for DQE variations. A comparison of images simulated to be collected at a lower dose level (73 % of the original dose level) and images actually collected at this lower dose level revealed that the error in the integrated normalised noise power spectrum was smaller than 4 % for the method that accounts for DQE variations in the simulated dose reduction, whereas the error was larger than 20 % for the previous method. This indicates that an increased validity in dose reduction simulation of digital radiographic systems is obtained with a method accounting for DQE variations. | |
| 650 | 7 | a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Radiologi och bildbehandling0 (SwePub)302082 hsv//swe |
| 650 | 7 | a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Radiology, Nuclear Medicine and Medical Imaging0 (SwePub)302082 hsv//eng |
| 700 | 1 | a Båth, Magnus,d 1974u Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för radiofysik,Institute of Clinical Sciences, Department of Radiation Physics4 aut0 (Swepub:gu)xbatma |
| 710 | 2 | a Göteborgs universitetb Institutionen för kliniska vetenskaper, Avdelningen för radiofysik4 org |
| 773 | 0 | t Radiation protection dosimetryd : Oxford University Press (OUP)g 139:1-3, s. 57-61q 139:1-3<57-61x 1742-3406x 0144-8420 |
| 856 | 4 8 | u https://gup.ub.gu.se/publication/117589 |
| 856 | 4 8 | u https://doi.org/10.1093/rpd/ncq058 |
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