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European Radiology Experimental
Fig. 2 | European Radiology Experimental

Fig. 2

From: Comparison of image quality of two versions of deep-learning image reconstruction algorithm on a rapid kV-switching CT: a phantom study

Fig. 2

Regions of interest (ROIs) placement on the images. a ROI to measure the iodine contrast relative to solid water in the multienergy phantom. b ROI placed on the uniform module of the ACR phantom to compute the noise power spectrum (NPS). c. ROI placed on the acrylic insert of the ACR phantom to compute the task-based transfer function

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