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Table 1 Compressed SENSE factors and denoising levels for 1.5-T and 3-T MR examinations

From: Common artefacts encountered on images acquired with combined compressed sensing and SENSE

Sequence

CS SENSE factor

Denoising level

Scan time reduction

3D FLAIR

8.2

medium

30%

3D DIR

6.7

medium

30%

3D m-Dixon T1 TFE

7

medium

35%

3D T1 TFE

2.5

weak

50%

3D T1 black blood TSE

5.75

weak

25%

SWIP

5.7

weak

40%

3D TOF MRA

3

strong

40%

3D PCA

4

strong

50%

3D T2 DRIVE TSE

2.9

strong

30%

3D T1 spine view

5.2

strong

only with Compressed SENSE

3D T2 spine view

7

strong

only with

Compressed SENSE

3D PD knee

7.5

strong

only with Compressed SENSE

  1. FLAIR fluid attenuated inversion recovery, DIR double inversion recovery, m-Dixon modified Dixon, TFE turbo field echo, TSE turbo spin echo, SWIP susceptibility-weighted imaging phase, TOF MRA time-of-flight magnetic resonance angiography, PCA phase-contrast angiography, PD proton density