Supported by the National Natural Science Funds for Distinguished Young Scholars (No. 69925204); for Creative Research Groups (No. 60021201); National 863 High-Tech Program (2001AA135040)
A new compact level-of-detail representation, called hierarchical surface fragments, for geometric objects with highly complex shape is presented. The representation comprises a set of irregular unstructured sampled s...
Supported by the National Natural Science Foundation for Excellent Young Scholar of China (Grant No. 69925204); the National Natural Science Foundation of China (Grant No. 60073026) ;Zhejiang Provincial Natural Science Foundation (Grant No. 600015)
Based on the study of some intrinsic properties of the weights of rational Bezier curve, it has been found that the shape of a curve can be changed by adjusting the weights without moving its control points. An approa...
the National Natural Science Foundation of China for Distinguished Young Scholars (No.69925204) and NSF grant (No.69823003).
LOD (Level of Detail) models are widely used recently to accelerate the rendering of 3D scenes. An algorithm that creates multiple levels of detail for 3D scene by merging near-coplanar faces is presented in this pape...
Project supported by the National Science Fund for Distinguished Young Scholars (Grant No.69925204) and the National Natural Science Foundation of China (Grant No.69673027).
An effective noise removal algorithm which does not cause the shrinkage of surface is presented. By introducing the constraints of keeping all triangle barycenters invariant at each smoothing step, the algorithm turns...