Methodology for Registration of Shrinkage Tumors in Head-and-Neck CT Studies

Table 1

Statistics for Dice similarity coefficient (DSC) for the tumor using rigid registration and deformable image registration with and without the intensity-modification procedure (IMP).

Patient	DSC (rigid)	DSC (IMP)	DSC (no IMP)
1	86.7	91.6	88.0
2	78.9	95.1	82.3
3	73.5	90.9	60.7
4	86.9	96.8	86.2
5	52.5	78.2	63.4
6	71.5	89.4	53.9
7	76.8	94.0	82.5
8	79.3	95.8	75.1
9	80.4	95.2	87.5
10	76.0	93.3	80.7
Mean	76.3	92.0	76.0