Table 2 The CTR and CNR of the pork phantom experiment
| Method | CTR (dB) | CNR (dB) |
|---|---|---|
| Original DAS | − 7.5 | − 13.4 |
| Original MV | − 9.4 | − 11.5 |
| Original ESBMV | − 9.6 | − 11.2 |
| CNN + DAS | − 22.1 | − 4.9 |
| CNN + MV | − 23.3 | − 4.5 |
| CNN + ESBMV | − 25.7 | − 3.8 |
| RNN + DAS | − 17.2 | − 6.1 |
| RNN + MV | − 18.8 | − 5.6 |
| RNN + ESBMV | − 20.7 | − 4.9 |
| U-net + DAS | − 22.8 | − 4.5 |
| U-net + MV | − 24.2 | − 3.8 |
| U-net + ESBMV | − 26.3 | − 3.5 |