@conference {SwobodaSSVM13, title = {Partial Optimality via Iterative Pruning for the Potts Model}, booktitle = {Scale Space and Variational Methods (SSVM 2013)}, year = {2013}, author = {Swoboda, Paul and Savchynskyy, Bogdan and J{\"o}rg H. Kappes and Christoph Schn{\"o}rr} }