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. Author manuscript; available in PMC: 2013 Jun 3.
Published in final edited form as: Proc IEEE Int Symp Biomed Imaging. 2012:1467–1470. doi: 10.1109/ISBI.2012.6235848

Fig. 2.

Fig. 2

(a) Particle filtering result for the case shown in Fig. 1. (b) Bronchial wall extraction using a elliptical model. (c) WA vs Pi for the subject shown in Fig. 1. (d) Histograms for WA% (solid) and P% (dash).