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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)