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EJNMMI Physics
Fig. 2 | EJNMMI Physics

Fig. 2

From: Ejection fraction in myocardial perfusion imaging assessed with a dynamic phantom: comparison between IQ-SPECT and LEHR

Fig. 2

CT imaging was used in the phantom validation d. Segmentation between phantom wall and water was performed by fitting a double Gaussian function to the CT volume histogram a. The volume corresponding to the ESV is delineated in b and c by the thin black line including the inner membrane. The thick black line indicates the corresponding slice locations in b and c. The segmentation was verified by visually viewing the axial slices c

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