Share Email Print
cover

Proceedings Paper

Effect of monitor image quality on the soft-copy interpretation of chest CR images
Author(s): Eliot L. Siegel; Bruce I. Reiner; Frank Hooper; Steven Sevarance; Steven Brower
Format Member Price Non-Member Price
PDF $14.40 $18.00

Paper Abstract

Four radiologists independently reviewed eighty individual thoracic computed radiography images. These consisted of 41 normal radiographs and 39 abnormal radiographs. Images were reviewed using 2,048 by 1,536 pixel monitors which varied widely in image quality as documented using a SMPTE pattern. Overall sensitivity for pathology ranged from .94 to .97 for the radiologists and varied minimally (0.95 to 1.0) for the four monitor quality levels tested while specificity varied to a much greater extent for the radiologists (0.68 to 0.93) and for the various monitors (0.76 to 0.93). The control (good quality) monitor demonstrated substantially higher specificity than the other three monitors (which varied from very poor to fair) but there were no significant differences among the non-control monitors despite their wide variance with regard to image quality. There was no significant difference in sensitivity for the monitors (including the control). Additionally no significant differences were found in the level of diagnostic confidence by the radiologists for the four monitors. These findings suggest that the actual effect of monitor quality degradation on clinical accuracy and confidence is complex and correlates poorly with traditional quality assurance metrics performed for these systems. Additional investigation into the monitor characteristics which most affect clinical confidence and performance is warranted.

Paper Details

Date Published: 7 August 2001
PDF: 5 pages
Proc. SPIE 4323, Medical Imaging 2001: PACS and Integrated Medical Information Systems: Design and Evaluation, (7 August 2001); doi: 10.1117/12.435510
Show Author Affiliations
Eliot L. Siegel, VA Maryland Healthcare System and Univ. of Maryland School of Medicine (United States)
Bruce I. Reiner, VA Maryland Healthcare System and Univ. of Maryland School of Medicine (United States)
Frank Hooper, VA Maryland Healthcare System (United States)
Steven Sevarance, VA Maryland Healthcare System (United States)
Steven Brower, VA Maryland Healthcare System (United States)


Published in SPIE Proceedings Vol. 4323:
Medical Imaging 2001: PACS and Integrated Medical Information Systems: Design and Evaluation
Eliot L. Siegel; H. K. Huang, Editor(s)

© SPIE. Terms of Use
Back to Top