(a) Contrast noise ratio between two ROIs positioned in the phantom mediastinum and lung tissues of a PA chest radiography for real radiographies (measured) and simulated radiographies, for three different kVp values. (b) Signal noise ratios for three different mAs values of the same ROI position.
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posted on 2015-11-06, 03:33 authored by Elena Gallio, Osvaldo Rampado, Elena Gianaria, Silvio Diego Bianchi, Roberto Ropolo(a) Contrast noise ratio between two ROIs positioned in the phantom mediastinum and lung tissues of a PA chest radiography for real radiographies (measured) and simulated radiographies, for three different kVp values. (b) Signal noise ratios for three different mAs values of the same ROI position.
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radiography systemsradiological image componentsprocedure parametersterm0.2 mMTotal calculation timesradiology departmentpixel sizeimage qualitypixel valuesradiation risksShort calculation timesdose optimisation studiesGPU Simulation Toolbeam energy3 secondsapplicationdetectorgraphics processing unitscatter radiationnoise rationoise valuestraining operators
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