Kai Krajsek Rudolf Mester Hanno Scharr Statistically Optimal Averaging for Image Restoration and Optical Flow Estimation. 466-475 2008 DAGM-Symposium http://dx.doi.org/10.1007/978-3-540-69321-5_47 conf/dagm/2008 db/conf/dagm/dagm2008.html#KrajsekMS08