SUBDIVISION

作品数：133被引量：319H指数：7
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Deformable surface modeling based on dual subdivision
《Progress in Natural Science:Materials International》2005年第1期81-88,共8页WANGHuawei SUNHanqiu QINKaihuai 
theRGCresearchgrantofHongKong (GrantNos.43 5 6/ 0 2Eand 4181/ 0 3E)andtheNationalNaturalScienceFoundationofChi na (GrantNo .60 2 73 0 13 )
Based on dual Doo-Sabin subdivision and the corresponding parameterization, a modeling technique of deformable surfaces is presented in this paper. In the proposed model, all the dynamic parameters are computed in a u...
关键词：deformable model subdivision surface DYNAMICS Doo-Sabin surface 
Error estimate for Doo-Sabin surfaces被引量：4
《Progress in Natural Science:Materials International》2002年第9期695-700,共6页WANG Huawei , GUAN Youjiang and QIN Kaihuai(1. Department of Computer Science and Technology 2. Department of Precision Instrument and Mechanics, Tsinghua University, Beijing 100084, China) 
Supported by the National Natural Science Foundation of China (Grant Nos. 59875047, 69873025)
Based on a general bound on the distance error between a uniform Doo-Sabin surface and its control polyhedron, an exponential error bound independent of the subdivision process is presented in this paper. Using the ex...
关键词：subdivision  UNIFORM Doo-Sabin surface  ERROR estimate. 
Semi-stationary subdivision operators in geometric modeling被引量：4
《Progress in Natural Science:Materials International》2002年第10期772-776,共5页ZHANG Hongxin and WANG Guojin(State Key Laboratory of CAD & CG, Institute of Computer Images and Graphics, Zhejiang University, Hangzhou 310027, China) 
Supported by the National Natural Science Foundation of China (Grant No. 60173034) ; the Major State Basic Research Development Program of China (Grant No. G1998030600)
Based on the view of operator, a novel uniform subdivision construction method is proposed for free form curve and surface design. This method can give an appropriate manner of parameter change in the subdivision iter...
关键词：SURFACE modeling  SUBDIVISION operator  SUBDIVISION surface  GEOMETRIC continuity. 
Integral computation relating to rational curves based on approximate degree reduction
《Progress in Natural Science:Materials International》2000年第11期53-60,共8页陈国栋 王国瑾 
Project supported by the National Natural Science Foundation of China (Grant No.69673029), Natural Science Foundation of Zhejiang Province (Grant No. 698025)and the Foundation of State Key Basic Research 973 Item (Grant No. G1998030600).
A new algorithm is presented for computing the volume of revolution, moment of area and centroid etc. , which are related to the integration of rational curves. In this algorithm rational curve with high degree is fir...
关键词：degree reduction RATIONAL CURVES INTEGRAL error BOUNDS subdivision. 
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