keywords leak detection; computed tomography; image segmentation; lungs; image analysis; robustness; technological innovation; biomedical imaging; medical diagnostic imaging; testing; airway segmentation; fast marching; leakage detection; leakage recovery; x-ray ct; leakage detection; acceptance criteria; airway trees; chest ct; ct image; high sensitivity; image data; manual segmentation; recovery algorithms; algorithms; fiber optic sensors; medical imaging; recovery; computerized tomography