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Fig. 4 | 3D Printing in Medicine

Fig. 4

From: The residual STL volume as a metric to evaluate accuracy and reproducibility of anatomic models for 3D printing: application in the validation of 3D-printable models of maxillofacial bone from reduced radiation dose CT images

Fig. 4

Image SNR for each reconstruction/radiation dose configuration in the first (a) and second (b) patient included in this study. SNR is calculated as the mean divided by the SD of HUs in ROIs placed in each of four facial muscles, averaged over all muscles

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