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. Author manuscript; available in PMC: 2013 Aug 6.
Published in final edited form as: Physiol Meas. 2011 Jun 7;32(7):797–809. doi: 10.1088/0967-3334/32/7/S05

Figure 4.

Figure 4

The steps of the electrode detection algorithm are illustrated for the breast phantom. Spherical projection transforms the 3D colour data from the surface mesh to a 2D image (a–b). Image processing techniques are used to identify the electrodes which allows masking of the breast surface (c). Each electrode is then identified by its 4 base colours.