Skip to main content
. Author manuscript; available in PMC: 2012 Oct 1.
Published in final edited form as: Acad Radiol. 2011 Jul 12;18(10):1277–1284. doi: 10.1016/j.acra.2011.04.019

Figure 2.

Figure 2

a. Histograms of HU values occurrence at Total Lung Capacity (TLC) from one selected slice of a healthy subject reconstructed with a smooth filter (B30f) and thick slice thickness (left panel) and with a sharp filter (B50f) and thin slice thickness (right panel).

b. Histograms of HU values occurrence at Total Lung Capacity (TLC) from one selected slice of a patient with emphysema reconstructed with a smooth filter (B30f) and thick slice thickness (left panel) and with a sharp filter (B50f) and thin slice thickness (right panel). In the emphysema patient histogram of the image reconstructed with the sharp filter, a spike at HU=−1024 is present.