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Using the robust principal component analysis algorithm to remove RF spike artifacts from MR images

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Figure

FIG. 1. Images (a–c) and k-spacedata (d–f) for a single frame of adatalow-rankT1mappingdataset.Corrupted(a,d)isdecomposedinto(b,e)andsparse(c,f)components to isolate RF spikes(visible in f) and remove stripe arti-fact (visible in a)
FIG. 2. a: Myocardial T1 recovery
FIG. 3. Images (a–c) and k-spacedata (d–f) for a single frame of theis decomposed into low-rank (and sparse (cine dataset
Figure 7 depicts images from five selected slices, showing
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