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ViewDEX - A Java-based software for presentation and evaluation of medical images in observer performance studies

Magazine article
Authors Markus Håkansson
S. Svensson
Magnus Båth
Lars Gunnar Månsson
Published in Progress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume 6509
Pages 65091R
ISSN 1605-7422
Publication year 2007
Published at Institute of Clinical Sciences, Department of Radiation Physics
Pages 65091R
Language en
Links dx.doi.org/10.1117/12.709768
Keywords DICOM , Observer performance , Software
Subject categories Radiological physics, Radiology, Medical Image Processing

Abstract

Observer performance studies are time-consuming tasks, both for the participating observers and for the scientists collecting and analyzing the data. A possible way to optimize such studies is to perform the study in a completely digital environment. A software tool - ViewDEX (Viewer for Digital Evaluation of X-ray images) - has been developed in Java, enabling it to function on almost any computer. ViewDEX is a DICOM-compatible software tool that can be used to display medical images with simultaneous registration of the observer's response. ViewDEX is designed so that the user in a simple way can alter the types of questions and images presented to the observers, enabling ROC, MAFC and visual grading studies to be conducted in a fast and efficient way. The software can also be used for bench marking and for educational purposes. The results from each observer are saved in a log file, which can be exported for further analysis. The software is freely available for non-commercial purposes.

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