X-Ray Phantom Development For Observer Performance Studies

C. A. Kelsey; R. D. Moseley; F. A. Mettler; T. W. Parker

doi:10.1117/12.931786

16 July 1981 X-Ray Phantom Development For Observer Performance Studies

C. A. Kelsey, R. D. Moseley, F. A. Mettler, T. W. Parker

Proceedings Volume 0273, Application of Optical Instrumentation in Medicine IX; (1981) https://doi.org/10.1117/12.931786
Event: Application of Optical Instrumentation in Medicine, 1981, San Francisco, United States

Abstract

The requirements for radiographic imaging phantoms for observer performance testing include realistic tasks which mimic at least some portion of the diagnostic examination presented in a setting which approximates clinically derived images. This study describes efforts to simulate chest and vascular diseases for evaluation of conventional and digital radiographic systems. Images of lung nodules, pulmonary infiltrates, as well as hilar and mediastinal masses are generated with a conventional chest phantom to make up chest disease test series. Vascular images are simulated by hollow tubes embedded in tissue density plastic with widening and narrowing added to mimic aneurysms and stenoses. Both sets of phantoms produce images which allow simultaneous determination of true positive and false positive rates as well as complete ROC curves.

Citation Download Citation

C. A. Kelsey, R. D. Moseley, F. A. Mettler, and T. W. Parker "X-Ray Phantom Development For Observer Performance Studies", Proc. SPIE 0273, Application of Optical Instrumentation in Medicine IX, (16 July 1981); https://doi.org/10.1117/12.931786

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