  Authors of the dti library are Karsten Tabelow, tabelow@wias-berlin.de
  and Joerg Polzehl, polzehl@wias-berlin.de
  C++ fibertracking: Felix Anker
  
  Copyright (c) 2005-2011 Weierstrass Institute for Applied Analysis and Stochastics, Berlin, Germany
  
 
 
