Evaluation of Interpolation Effects on Upsampling and Accuracy of Cost Functions-Based Optimized Automatic Image Registration

Table 1

Imaging parameters associated with 3D reference and low-resolution images.

3D images	No. of slices	Matrix size	Voxel size (mm^3)
Reference 1	120	512 × 512	0.5 × 0.5 × 1.3
Simulated reference 2	120	256 × 256	1 × 1 × 1.3
Low resolution 1	60	512 × 512	0.5 × 0.5 × 2.6
Low resolution 2	60	256 × 256	1 × 1 × 2.6
Low resolution 3	120	256 × 128	1 × 2 × 1.3
Low resolution 4	120	128 × 256	2 × 2 × 1.3