Bi-Frequency Symmetry Difference (BFSD) EIT in stroke diagnosis
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McDermott, Barry, O'Halloran, Martin, & Porter, Emily. (2019). Bi-Frequency Symmetry Difference (BFSD) EIT in stroke diagnosis. Paper presented at the 20th International Conference on Biomedical Applications of Electrical Impedance Tomography London, UK, 01-03 July.
BFSD-EIT can detect deviations in the inherent normal symmetry of the head due to, for example, the presence of a bleed or clot in stroke. We assess the potential of BFSD-EIT to robustly detect lesions under a series of modelling errors and calculate tolerable error levels before lesion detection is confounded.