Registration and Summation of Respiratory-Gated or Breath-Hold PET Images Based on Deformation Estimation of Lung from CT Image

Table 1

CT and PET image data used in the experiment. For all patient data, image size of CT was 512 × 512 pixels and the voxel size of PET image was 4 × 4 × 4 mm³.

Patient ID number	CT		PET
	Slices	Voxel size (mm^3)	Feature points	Image size (pixels)	Slices
1	38	1.17 × 1.17 × 5	6	150 × 150	48
2	91	0.68 × 0.68 × 2	8	87 × 87	46
3	88	0.68 × 0.68 × 2	10	87 × 87	44
4	91	0.68 × 0.68 × 2	12	87 × 87	46
5	91	0.68 × 0.68 × 2	5	87 × 87	46
6	36	1.17 × 1.17 × 5	7	150 × 150	45
7	93	0.68 × 0.68 × 2	23	87 × 87	46