%0 Journal Article
%T An improved QEM simplification algorithm based on features preserved<br>一种改进的基于形状特征保持的QEM简化算法
%A 董方敏
%A 刘勇
%A 肖人彬
%J 计算机应用
%D 2008
%I 
%X When the mechanical or architectural CAD models are simplified by using the QEM-based mesh simplification algorithm, the features of the simplification models can not be preserved very well. An improved algorithm based on features preserved was proposed. Firstly, the boundary curves were detected by using a hybrid approach to surface segmentation of the models. And the edges of the models were labeled as four types. Then different simplification strategies for each type of edges were used in the simplifying process on principle of avoiding the edges and vertex on the boundary curves to be collapsed during the simplification process. The experimental results show that the improved algorithm is effective.
%K feature preserved
%K quadric error metric
%K simplification algorithm<br>二次误差
%K 简化算法
%K 特征保持
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=831E194C147C78FAAFCC50BC7ADD1732&aid=059DB078CAB3C02445A439740CA1E251&yid=67289AFF6305E306&vid=D3E34374A0D77D7F&iid=5D311CA918CA9A03&sid=2D8A2D26AFF207D2&eid=5A6F5D4235F292B9&journal_id=1001-9081&journal_name=计算机应用&referenced_num=0&reference_num=9