Image quality characteristics of a novel film/screen system for mammography

Jacob Beutel; Earle L. Kitts Jr.

doi:10.1117/12.237786

11 April 1996 Image quality characteristics of a novel film/screen system for mammography

Jacob Beutel, Earle L. Kitts Jr.

Proceedings Volume 2708, Medical Imaging 1996: Physics of Medical Imaging; (1996) https://doi.org/10.1117/12.237786
Event: Medical Imaging 1996, 1996, Newport Beach, CA, United States

Abstract

The characteristics of a novel, very high resolution film/screen system for mammography are compared with those of a conventional film/screen system for mammography. The image quality characteristics of these systems are measured in terms of Wiener spectra, MTF and sensitometry. These parameters then determine the signal-to-noise (SNR) transfer properties of these systems in terms of the contrast transfer function (CTF), the detective quantum efficiency (DQE) and the noise equivalent quantum efficiency (NEQ). Furthermore, the SNR transfer characteristics are modeled and rationalized by means of the light scattering properties of the intensifying screens and the scintillation spectra of the phosphor. The new system displays superior SNR properties ascribable to its x-ray absorption attributes and the light scattering properties of the phosphor coating.

Citation Download Citation

Jacob Beutel and Earle L. Kitts Jr. "Image quality characteristics of a novel film/screen system for mammography", Proc. SPIE 2708, Medical Imaging 1996: Physics of Medical Imaging, (11 April 1996); https://doi.org/10.1117/12.237786

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