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. Author manuscript; available in PMC: 2016 Feb 5.
Published in final edited form as: Magn Reson Med. 2009 Mar;61(3):626–633. doi: 10.1002/mrm.21499

FIG. 6.

FIG. 6

High-pass filtered images of the data of Fig. 5b. As expected, the contrast between artery and vein is lost as the Hanning window size is increased, resulting in increased apparent oxygenation values in the venous blood.