Developing and validating a psychometric scale for image quality assessment

Mraity, H, England, A and Hogg, P 2014, 'Developing and validating a psychometric scale for image quality assessment' , Radiography, 20 (4) , pp. 306-311.

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Abstract

Purpose Using AP pelvis as a catalyst, this paper explains how a psychometric scale for image quality assessment can be created using Bandura's theory for self-efficacy. Background Establishing an accurate diagnosis is highly dependent upon the quality of the radiographic image. Image quality, as a construct (i.e. set of attributes that makes up the image quality), continues to play an essential role in the field of diagnostic radiography. The process of assessing image quality can be facilitated by using criteria, such as the European Commission (EC) guidelines for quality criteria as published in 1996. However, with the advent of new technology (Computed Radiography and Digital Radiography), some of the EC criteria may no longer be suitable for assessing the visual quality of a digital radiographic image. Moreover, a lack of validated visual image quality scales in the literature can also lead to significant variations in image quality evaluation. Creating and validating visual image quality scales, using a robust methodology, could reduce variability and improve the validity and reliability of perceptual image quality evaluations.

Item Type: Article
Schools: Schools > School of Health Sciences
Journal or Publication Title: Radiography
Publisher: Elsevier
ISSN: 1078-8174
Related URLs:
Depositing User: Robert Shaw
Date Deposited: 26 Oct 2016 14:13
Last Modified: 26 Oct 2016 14:13
URI: http://usir.salford.ac.uk/id/eprint/40463

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