Research Article
Image Fusion of CT and MR with Sparse Representation in NSST Domain
Table 1
Objective evaluation metrics of the fusion results of Figures
3(a) and
3(b).
| Method | STD | M-SSIM | MI | SCD | | | | | VIFF |
| Proposed | 83.1426 | 0.7511 | 2.7804 | 1.4081 | 0.3614 | 0.6502 | 0.4119 | 0.4911 | 0.4494 | NSCT-SR-OMP | 78.2445 | 0.6689 | 2.6225 | 1.1685 | 0.3478 | 0.6320 | 0.4133 | 0.4765 | 0.4124 | SR-OMP | 67.3711 | 0.7392 | 3.1058 | 0.8483 | 0.3164 | 0.5886 | 0.4131 | 0.5091 | 0.2517 | NSST | 69.2338 | 0.6853 | 2.5469 | 1.0222 | 0.3535 | 0.6504 | 0.4364 | 0.5205 | 0.3862 | NSCT | 66.1168 | 0.5354 | 2.3739 | 0.8571 | 0.3266 | 0.5942 | 0.3935 | 0.4852 | 0.3302 | CVT | 67.1317 | 0.5582 | 2.2612 | 0.8859 | 0.3010 | 0.6186 | 0.4017 | 0.4629 | 0.3319 | DTCWT | 64.1289 | 0.5115 | 2.6224 | 0.8886 | 0.2430 | 0.3381 | 0.2401 | 0.5746 | 0.1849 | GP | 66.3231 | 0.6104 | 2.5530 | 0.9997 | 0.3505 | 0.6201 | 0.4042 | 0.4868 | 0.3440 |
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