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Normalized CT number calibration curve of stationary, moving and motion-corrected phantom CT images. CT data was acquired with 5th set of CT parameters from Table 1 (120kV, 350mA, 280ms rotation, small spot size, and standard reconstruction kernel, with ASiR-V = 50%). The velocity of vessel was set to be constant (15mm/s). Using Snapshot Freeze (SSF), the observed vessel voxel values in moving vessels essentially returns to the value measured in stationary vessels.
