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Proceedings Paper

ANDS-V1 Computer Detection of Lung Nodules
Author(s): William A. Lampeter
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Paper Abstract

A computer program Automated Nodule Detection System Version-1 (ANDS-V1) that locates candidate nodules (CNs) in a chest radiograph has been developed. The CN locations are displayed to a radiologist for further inspection. This program was tested on 37 chest radiographs that contain at least one nodule. At least one nodule in 92% (34/37) of the radiographs was detected by the circle detection program (untrained ANDS). Among the CNs detected in a chest radiograph are numerous false positives. The radiologist must inspect 45 sites on the film to be certain that all detected nodules had been inspected. The number of false positive sites presented for inspection is reduced by the Nodule Expert program. Only 10 CNs must be inspected for the radiologist to be confident of having inspected all nodules detected by the program. The true positive rate is 86% (32/37) when the Nodule Expert program is used. Features for discriminating among various classes of CNs are described.

Paper Details

Date Published: 19 September 1985
PDF: 9 pages
Proc. SPIE 0555, Medical Imaging and Instrumentation '85, (19 September 1985); doi: 10.1117/12.949501
Show Author Affiliations
William A. Lampeter, University of Rochester (United States)

Published in SPIE Proceedings Vol. 0555:
Medical Imaging and Instrumentation '85
James A. Mulvaney, Editor(s)

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