Wolfgang Haberkorn, Uwe Steinhoff, Martin Burghoff, Olaf Kosch, Andreas Morguet, Hans Koch
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Pseudo current density maps of electrophysiological heart, nerve or brain function and their physical basis.
Background: In recent years the visualization of biomagnetic measurement data by so-called pseudo current density maps or Hosaka-Cohen (HC) transformations became popular.
Methods: The physical basis of these intuitive maps is clarified by means of analytically solvable problems.
Results: Examples in magnetocardiography, magnetoencephalography and magnetoneurography demonstrate the usefulness of this method.
Conclusion: Hardware realizations of the HC-transformation and some similar transformations are discussed which could advantageously support cross-platform comparability of biomagnetic measurements.
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