A proof-of-principle apparatus for scattering suppression in digital mammography
- CIOCCI, M. A.
- MAESTRO, P.
- MARROCCHESI, P. S.
- MALAKHOV, N.
- MEUCCI, M.
- MILLUCCI, V.
- PAOLETTI, R.
- TURINI, N.
- SCRIBANO, A.
DOIAbstract
A low-noise CCD coupled to a structured CsI(Tl) scintillator via a fiber optic plate was operated as X-ray detector for digital mammography. The imaging capabilities of the device were measured in terms both of spatial resolution (MTF) and of noise properties (DQE, NPS). The detector was characterized using a standard mammographic tube with and without the coupling to a pair of anti-scatter projective grids. Breast phantom images were collected and compared to a MonteCarlo simulation of the apparatus. Contrast enhancement was achieved by using the anti-scatter grids
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