TY - JOUR AU - C. Kirisits AU - C. Poeschl AU - E. Resmerita AU - O. Scherzer DA - 2015/03/15/ DO - 10.1080/00036811.2014.958998 ET - 2021/06/02/ IS - 3 JF - Applicable Analysis PY - 2015 SE - 2014/08/25/ SP - 612-636 TI - Finite-dimensional approximation of convex regularization via hexagonal pixel grids VL - 94 ER -