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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: Physiol Meas. 2010 Jul 21;31(8):S1–16. doi: 10.1088/0967-3334/31/8/S01

Figure 3.

Figure 3

Coarse conductivity grid: the checkerboard shows the coarse conductivity grid used for representing conductivity values to be estimated in the image reconstruction process. The grid results from the grouping of tetrahedra from the finer mesh around ‘seed points’ to form coarse ‘pixels’. This grid was generated using 14 ‘seed points’ on the angular direction, 8 points on the radial direction and 11 points on the vertical direction. The jagged appearance of each coarse pixel is due to the grouping of several tetrahedra to form the pixel itself.