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. Author manuscript; available in PMC: 2014 May 7.
Published in final edited form as: Phys Med Biol. 2013 Apr 10;58(9):2861–2877. doi: 10.1088/0031-9155/58/9/2861

Figure 6. COPDgene BH-CT reference data.

Figure 6

Landmark point pairs were selected on exhale and inhale BH-CT images from 10 COPDgene cases. The number of pairs ranged from 447-1172 for each case. Vector field projections are shown using the color map for displacement length (0 to 50 mm) shown at right. Those vectors with >50 mm displacement are mapped to the same red-colored maximum. The range of displacements varies for each case, reflecting the extent of their COPD disease.