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Quantitative Assessment of Image Noise
Note.- *Comparison between F/FBP and H/IRIS. F/FBP = full dose image with filtered back projection, F/IRIS = full dose image with iterative reconstruction in image space (Siemens Healthcare, Erlangen, Germany), H/FBP = half dose image with filtered back projection, H/IRIS = half dose image with iterative reconstruction in image space (Siemens Healthcare, Erlangen, Germany), HU = Hounsfield unit, ROI = region of interest
