国家自然科学基金(s60673031)

作品数：4被引量：19H指数：2
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相关期刊：《Progress in Natural Science:Materials International》更多>>
相关主题：BÉZIERSEGMENTSMULTIPLEAPPROXIMATEMERGING更多>>
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Approximate merging of multiple Bézier segments被引量：10
《Progress in Natural Science:Materials International》2008年第6期757-762,共6页Min Cheng Guojin Wang 
the National Basic Research Program of China Grant No. 2004CB719400）;National Natural Science Foundation of China（Grant Nos.60673031 and 60333010）;the Scientific Research Program of the Education Office of Zhejiang Province（Grant No.20070309）.
This paper deals with the approximate merging problem of multiple adjacent Bézier curves with different degrees by a single Bézier curve, which is a frequently seen problem in modeling. The unified matrix representa...
关键词：Computer-aided geometric design Bézier curve Approximate merging Matrix representation 
A new method for designing a developable surface utilizing the surface pencil through a given curve被引量：8
《Progress in Natural Science:Materials International》2008年第1期105-110,共6页Hongyan Zhao Guojin Wang 
This work was supported by the National Basic Research Program of China(Grant No.2004CB719400);National Natural Science Foundation of China(Grant Nos.60673031,60333010,and 60021201).
This paper proposes a new method for designing a developable surface by constructing a surface pencil passing through a given curve, which is quite in accord with the practice in industry design and manufacture. By ut...
关键词：CAD/CAM Developable surface GEODESIC Frenet frame 
Hodograph computation and bound estimation for rational B-spline curves
《Progress in Natural Science:Materials International》2007年第8期988-992,共5页Xu Huixia Wang Guojin 
Supported by the National Program on Key Basic Research Projects (Grant No.2004CB719400);National Natural Science Foundation of China (Grant Nos.60673031,60333010)
It is necessary to compute the derivative and estimate the bound of rational B-spline curves in design system, which has not been studied to date. To improve the function of computer aided design （CAD） system, and t...
关键词：computer aided design （CAD） rational B-spline discrete B-spline hodograph bound of derivative distance between two points. 
Shape blending of artistic brushstroke represented by disk B-spline curves被引量：1
《Progress in Natural Science:Materials International》2007年第12期1501-1507,共7页Cheng Min Wang Guojin 
Supported by the National Programon Key Basic Research Projects (Grant No .2004CB719400);National Natural Science Foundation ofChina (Grant Nos .60673031 and 60333010)
This paper presents an algorithm for automatically generating in-between frames of two artistic brushstrokes. The basic idea of the algorithm is to represent the two key frames of artistic brushstrokes in disk B-splin...
关键词：computer aided calligraphy shape blending brushstroke disk B-spline curve skeleton. 
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