Table 4.

The performance measures for lung segmentation in the MIDRC test set using the U-Net deep learning approach.

	Mean of Jaccard	Mean of Dice Coefficient	Mean of Hausdorff Distance	Mean of Average Euclidean Distance
Mean	0.82	0.90	37.7 mm	5.4 mm
Standard deviation	0.07	0.04	24.6 mm	2.7 mm