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Proceedings Paper

Display conditions and lesion detectability: effect of background light
Author(s): Mahmood Razavi; Theodore R. Hall; Denise R. Aberle; Alek S. Hayrapetian; Mansur Loloyan; Sandra Lee Eldredge
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Paper Abstract

We assessed the effect of high background light on observer performance for the detection of a variety of chest radiographic abnormalities. Five observers reviewed 66 digital hard copy chest images formatted to 1 1 x 14 inch size under two display conditions: 1) on a specially prepared 1 1 x 14 inch illuminated panel with no peripheral light and 2) on a standard viewing panel designed for 14 x 17 inch radiographs. The images contained one - or more of the following conditions: pneumothorax, interstitial disease, nodules, alveolar process, or no abnormality. The results of receiver operator characteristic analysis show that extraneous light does reduce observer performance and the detectability of nodules, interstitial disease.

Paper Details

Date Published: 1 August 1990
PDF: 7 pages
Proc. SPIE 1234, Medical Imaging IV: PACS Systems Design and Evaluation, (1 August 1990); doi: 10.1117/12.19004
Show Author Affiliations
Mahmood Razavi, Univ. of California/Los Angeles (United States)
Theodore R. Hall, Univ. of California/Los Angeles (United States)
Denise R. Aberle, Univ. of California/Los Angeles (United States)
Alek S. Hayrapetian, Univ. of California/Los Angeles (United States)
Mansur Loloyan, Univ. of California/Los Angeles (United States)
Sandra Lee Eldredge, Univ. of California/Los Angeles (United States)


Published in SPIE Proceedings Vol. 1234:
Medical Imaging IV: PACS Systems Design and Evaluation
Samuel J. Dwyer; R. Gilbert Jost, Editor(s)

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