Display conditions and lesion detectability: effect of background light

Mahmood Razavi M.D.; Theodore R. Hall M.D.; Denise R. Aberle; Alek S. Hayrapetian; Mansur Loloyan; Sandra Lee Eldredge

doi:10.1117/12.19004

1 August 1990 Display conditions and lesion detectability: effect of background light

Mahmood Razavi M.D., Theodore R. Hall M.D., Denise R. Aberle, Alek S. Hayrapetian, Mansur Loloyan, Sandra Lee Eldredge

Proceedings Volume 1234, Medical Imaging IV: PACS Systems Design and Evaluation; (1990) https://doi.org/10.1117/12.19004
Event: Medical Imaging '90, 1990, Newport Beach, CA, United States

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.

Citation Download Citation

Mahmood Razavi M.D., Theodore R. Hall M.D., Denise R. Aberle, Alek S. Hayrapetian, Mansur Loloyan, and Sandra Lee Eldredge "Display conditions and lesion detectability: effect of background light", Proc. SPIE 1234, Medical Imaging IV: PACS Systems Design and Evaluation, (1 August 1990); https://doi.org/10.1117/12.19004

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