Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Hilde Kjernlie Andersen"'
Publikováno v:
European Radiology Experimental, Vol 5, Iss 1, Pp 1-10 (2021)
Abstract Background The aim of this study was to quantitatively benchmark iodine imaging across specific virtual monoenergetic energy levels, iodine maps and virtual non-contrast images with different phantom sizes and iodine concentrations, using a
Externí odkaz:
https://doaj.org/article/01ba01da01bb4ca3b40dbabf866822ee
Publikováno v:
European Journal of Radiology Open, Vol 5, Iss , Pp 35-40 (2018)
Background: Iterative reconstruction techniques for reducing radiation dose and improving image quality in CT have proved to work differently for different patient sizes, dose levels, and anatomical areas. Purpose: This study aims to compare image qu
Externí odkaz:
https://doaj.org/article/983ecdff08944cc7aaec48bc7534dd70
Ultra-low dose chest computed tomography: Effect of iterative reconstruction levels on image quality
Publikováno v:
European Journal of Radiology. 114:62-68
Purpose To optimize image quality and radiation dose of chest CT with respect to various iterative reconstruction levels, detector collimations and body sizes. Method A Kyoto Kagaku Lungman with and without extensions was scanned using fixed ultra-lo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::51de1252516a9d74fbc60d72656b5414
https://doi.org/10.1016/j.ejrad.2019.02.021
https://doi.org/10.1016/j.ejrad.2019.02.021
Publikováno v:
European Radiology Experimental
European Radiology Experimental, Vol 5, Iss 1, Pp 1-10 (2021)
European Radiology Experimental, Vol 5, Iss 1, Pp 1-10 (2021)
Background The aim of this study was to quantitatively benchmark iodine imaging across specific virtual monoenergetic energy levels, iodine maps and virtual non-contrast images with different phantom sizes and iodine concentrations, using a rapid swi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::73d7aab7edefb3e8707acc12bf66ddf6
http://europepmc.org/articles/PMC8219825
http://europepmc.org/articles/PMC8219825
Autor:
Cathrine K Johansen, Tormund S. Njolstad, Anselm Schulz, Johannes Clemens Godt, Hilde Kjernlie Andersen, Anne Catrine Trægde Martinsen, Helga Brøgger
Publikováno v:
Acta Radiologica Open
Background A novel Deep Learning Image Reconstruction (DLIR) technique for computed tomography has recently received clinical approval. Purpose To assess image quality in abdominal computed tomography reconstructed with DLIR, and compare with standar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::66d4b044cb71855805926915d68b1c8c
https://pubmed.ncbi.nlm.nih.gov/33889427
https://pubmed.ncbi.nlm.nih.gov/33889427
Autor:
Dag Waaler, Hilde Kjernlie Andersen, Marius Pedersen, Michael Osadebey, Kristian Fossaa, Anne Catrine Trægde Martinsen
Publikováno v:
BMC Medical Imaging
BMC Medical Imaging, Vol 21, Iss 1, Pp 1-19 (2021)
BMC Medical Imaging, Vol 21, Iss 1, Pp 1-19 (2021)
Background Lung region segmentation is an important stage of automated image-based approaches for the diagnosis of respiratory diseases. Manual methods executed by experts are considered the gold standard, but it is time consuming and the accuracy is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::73791dd0b1b6dea80d5686bf11ee9f27
https://hdl.handle.net/11250/2785860
https://hdl.handle.net/11250/2785860
Autor:
Bjørn Helge Østerås, Kristin Jensen, Erik Fosse, Örjan Smedby, Hilde Kjernlie Andersen, Anne Catrine Trægde Martinsen, Anders Tingberg, Anette Aarsnes
Publikováno v:
Academic Radiology. 25:509-518
Rationale and Objectives This study aimed to evaluate the correlation of quantitative measurements with visual grading regression (VGR) and receiver operating characteristics (ROC) analysis in computed tomography (CT) images reconstructed with iterat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf4dd6c3b3634e1b6446f6f4a8f77091
https://doi.org/10.1016/j.acra.2017.10.020
https://doi.org/10.1016/j.acra.2017.10.020
Autor:
Mercy Afadzi, Trond Mogens Aaløkken, Hilde Kjernlie Andersen, Kristian Fosså, Anne Catrine Trægde Martinsen
Publikováno v:
Journal of computer assisted tomography. 44(1)
Purpose This study aimed to evaluate image quality of ultra-low dose chest computed tomography using 6 iterative reconstruction (IR) algorithms. Method A lung phantom was scanned on 4 computed tomography scanners using fixed tube voltages and the low
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f2357b467ac445b2c00f653b78974d63
https://pubmed.ncbi.nlm.nih.gov/31939889
https://pubmed.ncbi.nlm.nih.gov/31939889
Autor:
Hilde Kjernlie Andersen, Kristin Jensen, Erik Fosse, Claudius H Reisse, Anders Tingberg, Anne Catrine Trægde Martinsen
Publikováno v:
Current Problems in Diagnostic Radiology. 45:291-296
Studies on iterative reconstruction techniques on computed tomographic (CT) scanners show reduced noise and changed image texture. The purpose of this study was to address the possibility of dose reduction and improved conspicuity of lesions in a liv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9afd7d594e1920c4b67c150b66de8988
https://doi.org/10.1067/j.cpradiol.2015.11.004
https://doi.org/10.1067/j.cpradiol.2015.11.004
Publikováno v:
Tidsskrift for Den norske legeforening. 136:1809-1812
The dose limit for the lens of the eye for occupationally exposed workers that is stipulated in the Norwegian Regulation on radiation protection is based on outdated threshold doses for radiation-induced cataracts. Recent studies have shown that inju
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f475263ce73fce7a0c78ecda78618c0c
https://doi.org/10.4045/tidsskr.16.0307
https://doi.org/10.4045/tidsskr.16.0307