Table 2 Comparison of the registration results (see Figures 9 & 10) based on the proposed method (λ1 = 5, λ2 = 1e+2, λ3 = 1).
From: Magnetic microbubble-mediated ultrasound-MRI registration based on robust optical flow model
the proposed method | performance evaluation | ||||
|---|---|---|---|---|---|
| Â | Â | RMS | PSNR | COR | MI |
without MMBs | before registration | 0.1148 | 18.7706 | 0.2027 | 0.0437 |
| Â | after registration | 0.0843 | 21.4505 | 0.3100 | 0.0629 |
with MMBs | before registration | 0.0657 | 23.6063 | 0.1415 | 0.0398 |
| Â | after registration | 0.0435 | 27.1892 | 0.5303 | 0.0803 |