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. 2019 Feb 20;39(2):192–200. [Article in Chinese] doi: 10.12122/j.issn.1673-4254.2019.02.11

2.

图 8中感兴趣区域CNR比较

CNR comparisons of the regions of interest (ROIs) in Fig. 8

CNR ACR phantom
ROI1 ROI2 ROI3
Ramp Filter 0.0035 0.0031 0.0030
Modulated filter 0.0152 0.0156 0.0159