37 Shortening the scan duration Figure 3. a) An example of the BPND images for a representative AD patient are displayed for the original scan (0-60/80-130 min) duration and shortened scan duration (0-30/80-100 min using POP-IP_2T4k_VB interpolation) along with the corresponding MR. b) Comparison of BPND obtained from the shortened scan duration (0-30/80-100 min using POP-IP_2T4k_VB interpolation) against BPND obtained with the original scan duration (0-60/80-130 min). c) Bland-Altman plot of the original test-retest differences for RPM DVR (BPND+1) values. d) Bland-Altman plot of the test-retest differences for RPM DVR (BPND +1) values using shortened scan duration (0-30/80-100 min) and POP-IP_2T4k_VB method for reference region interpolation. 2
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