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EnglishWe have tested the imaging capabilities of a GaAs pixel detector using a test object developed for quality control purposes in mammography and a dedicated X-ray imaging system. The response of this detector under the same irradiation conditions has also been simulated by the EGS4 code and a comparison with an intensifying screen+film digitized image has been made. Our GaAs detector is able to perform a measurement of low-contrast details, with a minimum contrast lower than typically detected by standard mammographic film+screen system, in the same conditions of clinical routine, and this should allow for an earlier diagnosis of the breast tumor masses.
| Titolo: | Imaging performance of a GaAs pixel detector | |
| Autori interni: | ||
| Anno del prodotto: | 1999 | |
| Rivista: | ||
| Abstract: | We have tested the imaging capabilities of a GaAs pixel detector using a test object developed for quality control purposes in mammography and a dedicated X-ray imaging system. The response of this detector under the same irradiation conditions has also been simulated by the EGS4 code and a comparison with an intensifying screen+film digitized image has been made. Our GaAs detector is able to perform a measurement of low-contrast details, with a minimum contrast lower than typically detected by standard mammographic film+screen system, in the same conditions of clinical routine, and this should allow for an earlier diagnosis of the breast tumor masses. | |
| Handle: | http://hdl.handle.net/11568/829090 | |
| Appare nelle tipologie: | 4.1 Contributo in Atti di convegno |
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http://hdl.handle.net/11568/829090
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