Research Article

A Novel Technique for Prealignment in Multimodality Medical Image Registration

Table 2

Test results of rotational differences between image pairs by edge-map based method.

Image pair1st column and
3rd column (°)
1st column and
2nd column (°)
2nd column and
3rd column (°)
Absolute value

Brain T1/T2 MRI16.87
Figure 11(a)
120.23
Figure 11(b)
82.97
Figure 11(c)
27.26
Head CT/MR16.87
Figure 11(d)
355.08
Figure 11(e)
46.40
Figure 11(f)
308.68
Prostate MR16.87
Figure 11(g)
68.90
Figure 11(h)
22.50
Figure 11(i)
46.40