Table 1. Manufacturer-specific acquisition details.
| Acquisition parameter | Philips-specific OVS | Siemens-specific OVS | Philips-specific ZOOM | Siemens-specific 2DRF |
|---|---|---|---|---|
| TR (ms)* | ~7000 | ~7000 | ~7000 | ~7000 |
| TE (ms) | 72 | 89 | 50 | 81 |
| Matrix size | 100x100 | 100x100 | 64x48 | 64x38 |
| Bandwidth (Hz) | 893.1 | 1085 | 893.1 | 1100 |
| SENSE (Philips) or GRAPPA (Siemens) acceleration factor | 1.5 | 2.0 | 1.5 | 2.0 |
| Partial Fourier? | No | 6/8 | No | 7/8 |
| Number of diffusion-weighted directions | 32 | 30 | 32 | 30 |
| Number of b = 0 acquisitions | 4 | 4 | 4 | 4 |
*Times approximate due to cardiac gating