After {T24182}, we also want to optimize the backend of [[http://docs.mitk.org/nightly/classmitk_1_1ImageStatisticsCalculator.html | ImageStatisticsCalculator ]].
Also the implementation of [[http://docs.mitk.org/nightly/classmitk_1_1AbstractGlobalImageFeature.html | AbstractGlobalImageFeature]] should be taken into account.