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ECR 2013 / C-2474
An automatic system for segmentation, matching, anatomical labeling and measurement of airways from CT images
Congress: ECR 2013
Poster No.: C-2474
Type: Scientific Exhibit
Keywords: Chronic obstructive airways disease, Computer Applications-3D, CT, Respiratory system
Authors: J. Petersen1, A. Feragen1, M. Owen2, P. Lo3, M. M. W. Wille4, L. H. Thomsen5, A. Dirksen5, M. De Bruijne6; 1Copenhagen/DK, 2Waterloo, ON/CA, 3Los Angeles, CA/US, 4Hellerup/DK, 5Gentofte/DK, 6Rotterdam/NL


Assessing airway dimensions and attenuation from CT images is useful in the study of diseases affecting the airways such as Chronic Obstructive Pulmonary Disease (COPD). Measurements can be compared between patients and over time if specific airway segments can be identified and measures performed in corresponding segments. However, manually finding corresponding segments and performing such measurements is time consuming and difficult. The purpose of the developed and validated system is to enable such measurements using automatic segmentations of the airway interior and exterior wall surfaces in three dimensions, anatomical branch labeling of all segmental branches, and longitudinal matching of airway branches in repeated scans of the same subject.

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