Evaluation of a digital X-ray detector based on a phosphor-coated CCD for mammography
- TAIBI A
- DEL GUERRA A
- GAMBACCINI M.
- MARZIANI M
- TUFFANELLI A
DOIAbstract
The imaging performance of a phosphor-coated CCD system for mammography application is evaluated. The coated CCD is obtained by direct deposition of a Gd2O2S:Eu powder onto a detector surface. Modulation transfer function, noise power spectrum, and detective quantum efficiency are measured. Their dependence on the input beam X-ray energy is discussed. Images of a test phantom for mammography are compared with those obtained with a screen-film combination
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