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. Author manuscript; available in PMC: 2018 Jul 1.
Published in final edited form as: J Magn Reson Imaging. 2017 Feb 2;46(1):102–114. doi: 10.1002/jmri.25595

Figure 2.

Figure 2

Dual-venc phase contrast reconstruction using the low-venc scan (top row in (A)) as basis image and correcting the aliased voxels by comparing with the high-venc scan (second row in (A)) using a difference map (bottom row in (A)) and thresholds (B) to determine number of wrap arounds in the low-venc data. The resulting combined dual-venc data set without remaining aliasing artifact is shown in (C). The arrow in the image of the high-venc acquisition (A, second row) indicates the direction of rotation.