Research Article
Novel Registration and Fusion Algorithm for Multimodal Railway Images with Different Field of Views
Table 2
Quantitative evaluation of source image and fusion results at daytime.
| evaluation indicators | Source image | Fusion results | IR | Registered visible | gray weighted average | Contourlet Transform | Wavelet transform | Total variation | proposed |
| average gray | 88.37 | 17.28 | 67.09 | 67.37 | 67.07 | 76.66 | 91.60 |
| standard deviation | 47.73 | 43.20 | 37.07 | 40.13 | 37.85 | 46.46 | 51.63 |
| average gradient | 2.60 | 2.55 | 2.41 | 4.90 | 3.37 | 2.64 | 4.89 |
| Information entropy | 6.70 | 1.87 | 6.46 | 6.87 | 6.61 | 6.95 | 7.07 |
| edge intensity | 27.74 | 22.15 | 24.21 | 47.04 | 30.33 | 27.18 | 46.98 |
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