表 3. Image similarity comparison results.
图像相似性对比结果
| 图像类型 | RMSE | SSIM | MI |
| 全局图像 | 0.025 415 | 0.918 959 | 0.764 806 |
| 局部图像 | 0.045 127 | 0.811 169 | 0.686 444 |
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