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国家自然科学基金(s60970079)

作品数:1 被引量:5H指数:1
发文基金:国家自然科学基金福建省自然科学基金更多>>
相关领域:自动化与计算机技术更多>>

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Non-uniform B-spline curves with multiple shape parameters被引量:5
2011年
We introduce a kind of shape-adjustable spline curves defined over a non-uniform knot sequence.These curves not only have the many valued properties of the usual non-uniform B-spline curves,but also are shape adjustable under fixed control polygons.Our method is based on the degree elevation of B-spline curves,where maximum degrees of freedom are added to a curve parameterized in terms of a non-uniform B-spline.We also discuss the geometric effect of the adjustment of shape parameters and propose practical shape modification algorithms,which are indispensable from the user's perspective.
Juan CAOGuo-zhao WANG
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