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Validation of retrospective gating algorithm using two different reference volume scans A (left) and B (right). A linear fit is obtained through matching volume numbers in gated data as per the method described in Section 2.3. The slope of the fit obtained on gated data is 1.364 ms/slice for scan A and 1.120 ms/slice for scan B. The slope of reference scan is 1.275 ms/slice.
