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Improvement in early detection of breast cancer / Esraa Osama Zaki Ellewaa ; Supervised Ali Ellakkani

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Esraa Osama Zaki Ellewaa , 2016Description: 48 P. : charts ; 25cmOther title:
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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Biophysics Summary: This work introduces a theoretical method which can restore some of the low energy x- ray photons that do not reach the detector due to the breast attenuation and that will increase the quality of the processed mammography image. This is performed by measuring the incident x- ray tube spectrum, the transmitted x- ray spectrum through the breast and the thickness of the imaged breast then extrapolating the attenuation coefficient toward the low energy region. As a result the optimum energy weighting SNR was enhanced for the two different x-ray spectra with and without Mo filter about 36% and 46% respectively
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.04.M.Sc.2016.Es.I (Browse shelf(Opens below)) Not for loan 01010110070774000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.04.M.Sc.2016.Es.I (Browse shelf(Opens below)) 70774.CD Not for loan 01020110070774000

Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Biophysics

This work introduces a theoretical method which can restore some of the low energy x- ray photons that do not reach the detector due to the breast attenuation and that will increase the quality of the processed mammography image. This is performed by measuring the incident x- ray tube spectrum, the transmitted x- ray spectrum through the breast and the thickness of the imaged breast then extrapolating the attenuation coefficient toward the low energy region. As a result the optimum energy weighting SNR was enhanced for the two different x-ray spectra with and without Mo filter about 36% and 46% respectively

Issued also as CD

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