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. Author manuscript; available in PMC: 2011 Feb 1.
Published in final edited form as: Magn Reson Med. 2010 Feb;63(2):407–418. doi: 10.1002/mrm.22219

Figure 6.

Figure 6

2D MTFs are presented for the three scenarios from Fig. 5: (a) phantom data at acceleration R=4, (b) in-vivo data at R=4 and (c) R=8. T̄MTF was defined by the average of the overall TMTF. Banding structure along the spatial frequency axis and sharp transitions along the temporal frequency axis can be observed in UNFOLD-SENSE with ZTR. The k-t SENSE results feature a greater ability at capturing the spatial low-frequency region (see brighter horizontal band, pointed to by a black arrow) and difficulty to capture some temporal frequencies (see black vertical bands). The hybrid method (Hybrid SENSE) appears to combine desirable features from both approaches, as it captures a continuous region along the temporal frequency axis and captures well the low-spatial frequency region (see black arrow).