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Figure 4 | BMC Medical Imaging

Figure 4

From: Automated measurement of heterogeneity in CT images of healthy and diseased rat lungs using variogram analysis of an octree decomposition

Figure 4

Octree decomposition results from two rats. The top row is a control rat and the bottom row is a single-lobe-dose rat (the same as those shown in Figure 2). Columns A, B, C, and D show the resulting 2 × 2 × 2, 4 × 4 × 4, 8 × 8 × 8, and 16 × 16 × 16 boxes, respectively.

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