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多形状参数的指数均匀B样条曲线曲面
  • ISSN号：2095-302X
  • 期刊名称：《图学学报》
  • 时间：0
  • 分类：TP391.72[自动化与计算机技术—计算机应用技术;自动化与计算机技术—计算机科学与技术]
  • 作者机构：[1]合肥工业大学数学学院,安徽合肥230009, [2]合肥工业大学计算机学院,安徽合肥230009
  • 相关基金：国家自然科学基金资助项目（U1135003,61100126）; 教育部博士点基金资助项目（20100111120023,20110111120026）; 安徽省自然科学基金资助项目（11040606Q42）; 安徽省高等学校省级优秀青年人才基金资助项目（2011SQRL184）
作者： 张莉[1], 刘静静[1], 檀结庆[1,2]
关键词： 均匀B样条, 调配函数, 指数多项式, 形状参数, uniform B-spline, Blending function, exponential polynomial, shape parameters
中文摘要：

论文构造了一类带多个形状参数的指数均匀B样条曲线曲面,它保持了指数均匀B样条曲线曲面的主要性质（如连续性、凸包性等）。此类曲线在不改变控制顶点的情况下,通过改变其形状参数的取值,可以生成多条逼近于控制多边形的曲线,进而实现对曲线的整体或局部调控。此外,它还可以精确表示双曲线、悬链线等超越曲线。此类曲面是通过张量积的方法生成的,所以具有与曲线类似的性质。论文结尾给出了大量数值实例。

英文摘要：

A class of exponential uniform B-spline curves and surfaces with multiple shape parameters is provided.They preserve the main properties of the exponential uniform B-spline curves and surfaces,such as positive property,convexity-preserving property and so on.The curves can be adjusted by changing the values of shape parameters without moving their control points.So we can realize the entire or local adjustment of the curves.What’s more,the exponential uniform B-spline curves can represent hyperbola,catenary and other transcendental curves precisely.The corresponding surfaces can be constructed by using tensor product,so their properties are similar to that of the curves.Plenty of numerical tests are given to show the effectiveness of our method.

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期刊信息
  • 《图学学报》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国图学学会
  • 主编：李华
  • 地址：北京海淀区学院路37号
  • 邮编：100083
  • 邮箱：txxb_2011@163.com
  • 电话：010-82317091 82326420
  • 国际标准刊号：ISSN：2095-302X
  • 国内统一刊号：ISSN：10-1034/T
  • 邮发代号:
  • 获奖情况:
  • 全国中文核心期刊,全国科技论文统计用刊
  • 国内外数据库收录:
  • 中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）
  • 被引量:1124