表1
去噪方法的比较与不同的噪音水平在T1加权磁共振图像。
|
| 去噪方法 |
3% Rician噪音 |
4% Rician噪音 |
5% Rician噪音 |
| 信噪比 |
PSNR值 |
SSIM |
信噪比 |
PSNR值 |
SSIM |
信噪比 |
PSNR值 |
SSIM |
|
| 3 d-adf |
13.7207 |
25.4512 |
0.7642 |
12.9584 |
25.4144 |
0.7624 |
12.1337 |
25.3515 |
0.7604 |
| OMNLM_LAPCA |
18.5248 |
35.0833 |
0.9495 |
16.0899 |
33.2808 |
0.9234 |
14.1684 |
31.7119 |
0.8927 |
| NLM3D |
25.9919 |
37.5705 |
0.976 |
24.0109 |
35.9133 |
0.965 |
20.8779 |
34.5518 |
0.9472 |
| 提出了 |
27.0346 |
38.5828 |
0.9864 |
25.0351 |
36.924 |
0.9755 |
22.9218 |
35.5598 |
0.9555 |
|
|
