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development:bemmodel [2018/10/21 15:03]
42.49.180.224 [An alternative algorithm for constructing triangulated EEG-BEM head models]
development:bemmodel [2018/10/22 13:25]
robert old revision restored
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 This page presents the outline of an algorithm (or set of algoritms) that allow the robust creation of single-subject triangulations of the skin/​skull/​brain boundaries to be used in EEG-BEM volume conduction modelling. The algorithm described here is not implemented in FieldTrip, but an improved version could be considered for implementation This page presents the outline of an algorithm (or set of algoritms) that allow the robust creation of single-subject triangulations of the skin/​skull/​brain boundaries to be used in EEG-BEM volume conduction modelling. The algorithm described here is not implemented in FieldTrip, but an improved version could be considered for implementation
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 ====== A short description of the algorithm ====== ====== A short description of the algorithm ======
  
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 It is possible to use the skull laplacian smoothness criterium and interpolation also on the brain surface. It is possible to use the skull laplacian smoothness criterium and interpolation also on the brain surface.
  
-It is possible to replace the initial triangulation of the brain surface using the intensity profiles by a triangulation of a segmentation resulting from an dilated brain and eroded skin (using XOR).+It is possible to replace the initial triangulation of the brain surface using the intensity profiles by a triangulation of a segmentation resulting from an dilated brain and eroded skin (using XOR).