@Other{BurgethBruhnDidasWeickertWelk_2005, title={Morphology for matrix data : ordering versus PDE-based approach}, author={Burgeth, Bernhard and Bruhn, Andres and Didas, Stephan and Weickert, Joachim and Welk, Martin}, doi={http://dx.doi.org/10.22028/D291-26326}, year={2005} }