Interpreting System MTF and NPS Measured on Clinical Digital Mammography Systems
A set of phantoms and a software program have been developed to calculate MTF and NPS conveniently for digital mammographic systems. Phantom images have been collected from 19 digital mammography units from four major commercial manufacturers. MTF and NPS are analysed to relate their shape to design and operational factors of each system.
KeywordsModulation Transfer Function Digital Mammography Noise Power Spectrum Line Spread Function Digital Mammography System
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