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A clinical evaluation of the image quality computer program, CoCIQ
Örebro.
Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för medicin och vård, Medicinsk radiofysik.
Örebro.
Örebro.
2005 (engelsk)Inngår i: Journal of digital imaging, ISSN 0897-1889, E-ISSN 1618-727X, Vol. 18, nr 2, s. 138-144Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

To provide an objective way of measuring image quality, a computer program was designed that automatically analyzes the test images of a contrast-detail (CD) phantom. The program gives a quantified measurement of image quality by calculating an Image Quality Figure (IQF). The aim of this work was to evaluate the program and adjust it to clinical situations in order to find the detectable level where the program gives a reliable figure of the contrast resolution. The program was applied on a large variety of images with lumbar spine and urographic parameters, from very low to very high image qualities. It was shown that the computer program produces IQFs with small variations and there were a strong linear statistical relation between the computerized evaluation and the evaluation performed by human observers (R 2 = 0.98). This method offers a fast and easy way of conducting image quality evaluations. Copyright © 2005 by SCAR (Society for Computer Applications in Radiology).

sted, utgiver, år, opplag, sider
2005. Vol. 18, nr 2, s. 138-144
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-33595DOI: 10.1007/s10278-004-1036-0Lokal ID: 19628OAI: oai:DiVA.org:liu-33595DiVA, id: diva2:254418
Tilgjengelig fra: 2009-10-09 Laget: 2009-10-09 Sist oppdatert: 2017-12-13

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