Table 3.
Comparison of the convergence range of the rigid registration between CCRE and other MI-based schemes for a fixed noise standard deviation of 7.
| GroundTruth | CCRE | Traditional MI | Normalized MI | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 7° | 7° | 7° | 6.970° | 6.912° | 7.014° | 6.973° | 7.003° | 7.057° | 6.955° | 7.186° | 6.954° |
| 5 | 5 | 5 | 4.952 | 5.001 | 5.073 | 5.003 | 4.942 | 5.069 | 5.015 | 4.931 | 5.097 |
| 13° | 13° | 12° | 12.961° | 13.033° | 12.055° | FAILED | 13.025° | 12.980° | 11.990° | ||
| 13 | 13 | 13 | 13.013 | 12.921 | 13.034 | 12.843 | 13.094 | 12.916 | |||
| 15° | 15° | 14° | 15.031° | 15.008° | 14.012° | FAILED | |||||
| 16 | 16 | 16 | 16.015 | 15.911 | 16.027 | ||||||
| 32° | 32° | 25° | 32.072° | 32.054° | 25.022° | ||||||
| 32 | 32 | 32 | 32.047 | 31.852 | 31.767 | ||||||
| 33° | 33° | 33° | FAILED | ||||||||
| 33 | 33 | 33 | |||||||||