Tsinghua;
National;
Laboratory;
for;
Information;
Science;
and;
Technology;
Department;
of;
Computer;
Science;
and;
Technology,;
Tsinghua;
University,;
Beijing;
100084,;
China;
Department;
of;
Computer;
Science,;
Stanford;
University,;
Stanford,;
94305,;
U.S.A.;
基于特征; 网格简化; Hausdorff距离; 度量; 敏感; 高维空间; 二次误差; 几何距离;