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Quantitative results are shown for experiment 6 (i.e., CNR regularization generalization to in vivo data). Average improvement in in vivo image quality metrics (n = 15) compared to DAS are displayed for DNN beamforming with and without CNR regularization. Standard deviations are indicated in parenthesis.
| Metric | DNN | CNR-DNN |
|---|---|---|
| CNR (dB) | −0.67 (±3.31) | 0.61 (±2.95) |
| CR (dB) | 14.7 (±4.70) | 7.80 (±3.47) |
| GCNR | 0.08 (±0.15) | 0.01 (±0.16) |
| SNRs | −0.57 (±0.29) | −0.33 (±0.26) |
