Quantitative Description Or Characterization Of Three Image Receptors For Use In Extraoral Radiology

L. Chavarria Jr.; T. J. Morgan; J. A. Bencomo; D. J. Finn

doi:10.1117/12.947232

11 June 1985 Quantitative Description Or Characterization Of Three Image Receptors For Use In Extraoral Radiology

L. Chavarria Jr., T. J. Morgan, J. A. Bencomo, D. J. Finn

Proceedings Volume 0535, Application of Optical Instrumentation in Medicine XIII; (1985) https://doi.org/10.1117/12.947232
Event: 1985 Medical Imaging Conferences, 1985, California, United States

Abstract

A study was performed to characterize the response of five different film screen combina-tions for potential application in cephalometric radiographic studies. These film screen combinations included Kodak T-Mat G, T-Mat L and XL-films in combination with Lanex Regular and Lanex Medium screens plus XL-film with a Par Speed screen. The response of the film screen combinations evaluated were characterized by the use of contrast detail response functions. These functions were determined with a minimum of six observers, trained and untrained, for each of the image receptor combinations evaluated. The images for evaluation in this study were generated using a low contrast "Rose Burger" phantom with optical densities from 0.5 to more than 1.0 for all of the film screen combinations evaluated. Also included are the relative dose-density data for the film screen combination images evaluated.

Citation Download Citation

L. Chavarria Jr., T. J. Morgan, J. A. Bencomo, and D. J. Finn "Quantitative Description Or Characterization Of Three Image Receptors For Use In Extraoral Radiology", Proc. SPIE 0535, Application of Optical Instrumentation in Medicine XIII, (11 June 1985); https://doi.org/10.1117/12.947232

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