Research Article
Novel Registration and Fusion Algorithm for Multimodal Railway Images with Different Field of Views
Table 4
Average evaluation value of different fusion methods at daytime.
| ā | Standard deviation | Mutual information | Information entropy | Cross entropy | Sharpness |
| Gray weighted average fusion | 36.686 | 1.571 | 6.454 | 1.084 | 3.099 |
| Contourlet transform fusion | 39.767 | 1.771 | 6.860 | 0.802 | 7.202 |
| Wavelet transform fusion | 37.463 | 1.644 | 6.602 | 0.860 | 5.224 |
| Total variation fusion | 44.223 | 1.687 | 6.889 | 0.590 | 3.099 |
| Proposed | 51.078 | 1.717 | 7.061 | 0.279 | 6.923 |
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