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. 2018 May 30;13:1783–1792. doi: 10.2147/COPD.S152463

Figure 1.

Figure 1

Overview of the FRI concept. Patients are first scanned. Then, the CT images are segmented, and the rendering of the airways is calculated. Then, a 3-dimensional model of the lung is developed. Finally, flow is simulated in this model using CFD techniques.18

Abbreviations: CFD, computational fluid dynamics; CT, computed tomography; FRI, functional respiratory imaging.