Modeling Respiratory Signals by Deformable Image Registration on 4DCT Lung Images

Table 1

The ground truth lung segmentation from phase T20.

Pixel boundary specification	Threshold	Ground truth segmentation
	Slice 30; Phase T20; 42
	Slice 40; Phase T20; 51
	Slice 50; Phase T20; 48
	Slice 60; Phase T20; 65
	Slice 70; Phase T20; 76