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. Author manuscript; available in PMC: 2008 May 26.
Published in final edited form as: Magn Reson Med. 2002 Mar;47(3):499–512. doi: 10.1002/mrm.10079

FIG. 4.

FIG. 4

a: A single measured velocity component (vy) for a single pixel from the pulsatile flow phantom (see Fig. 2) is displayed for three cases: the multiecho multi-breath-hold PC approach, and the standard single-echo PC approach with both one and five VPSs. For all cases, the time series were interpolated to 100 frames over the cardiac cycle. b: The accelerations (ai = -vi+2 + 8vi+1 - 8vi-1 + vi-2) calculated from the velocity values in a are displayed for all three experimental protocols.