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Table 1 Imaging parameters. Imaging parameters for the training/testing of the network, as well as prospective data

From: Rapid whole-heart CMR with single volume super-resolution

 

High-resolution WH-bSSFP

Low-resolution WH-bSSFP

Orientation

Sagittal

Sagittal

Matrix (kx-ky)

~ 256 × 144

~ 256 × 72

Acceleration in ky

×2 (GRAPPA)

×2 (GRAPPA)

GRAPPA reference lines

24

24

Partial-Fourier in ky

6/8

6/8

FOV x-y (mm)

~ 400 × 238

~ 400 × 238

Slices

~ 96

~ 48

Slice thickness (mm)

~ 1.6

~ 3.2

Partial-Fourier in kz

6/8

6/8

FOV z (mm)

~ 154

~ 154

Flip angle (deg)

90o

90o

TE/TR (ms)

~ 1.6/~ 3.6

~ 1.6/~ 3.6

Bandwidth (Hz/Pixel)

~ 592

~ 592

Lines per segment

~ 30

~ 30

Cardiac triggering

Yes

Yes

Respiratory navigator

Yes (window 3 mm)

Yes (window 3 mm)

Spatial resolution (mm)

~ 1.6 × 1.6 × 1.6

~ 1.6 × 3.2 × 3.2

Temporal resolution (ms)

~ 108

~ 108

Total acquisition time (mins)

~ 8.1 (range: 3.3–14.8)

~ 2.9 (range: 1.1–5.0)