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. Author manuscript; available in PMC: 2016 May 1.
Published in final edited form as: IEEE Trans Med Imaging. 2014 Nov 25;34(5):1063–1076. doi: 10.1109/TMI.2014.2374615

Fig. 1.

Fig. 1

Chest CT scans and corresponding airway tree segmentations in patients with different lung disease. (a)-(e) Coronal image slices of CT scans showing one of the lungs. All CT scans are visualized using the same gray-value window −1000 to −300 HU. (f)-(j) Corresponding airway tree reference standard segmentations. (a) and (f) Healthy individual. (b) and (g) Patient with chronic obstructive pulmonary disease. (c) and (h) Patient with asbestosis. (d) and (i) Patient with sarcoidosis. (e) and (j) Patient with severe asthma.