Hui Tang Huazhong Shu Jean-Louis Dillenseger Xu Dong Bao Limin Luo Moment-based metrics for mesh simplification. 710-718 2007 31 Computers & Graphics 5 http://dx.doi.org/10.1016/j.cag.2007.05.001 db/journals/cg/cg31.html#TangSDBL07