Research Article
A Combination of the Total Variation Filter and a Fourth-Order Filter for Image Registration
Table 2
Summary of RMSE, mean, and MI. The images are rescaled to [
].
| Image pairs | Method | RMSE () | Mean () | IM |
| Test 1: sliding rectangular | TV | 380.0 | 72 | 1.1615 | | 274.1 | 36 | 1.1610 | Fourth-order | 343.2 | 26 | 1.1358 | Proposed | 248 | 24 | 1.1620 |
| Test 2: circle to ellipse | TV | 708 | 111 | 0.7040 | | 607 | 105 | 0.7701 | Fourth-order | 794 | 148 | 0.6815 | Proposed | 440 | 83 | 0.8164 |
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