Fitting point clouds with normal vectors by geometric algorithm
通过几何算法用法向量拟合点云
基本信息
- 批准号:20560127
- 负责人:
- 金额:$ 2.91万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2008
- 资助国家:日本
- 起止时间:2008 至 2010
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Interpolation is one of the most typical problems that arise in the application of B-spline curves and surfaces. In this research we are interested in not only interpolating a set of points, but also normal vectors given at these points by the B-spline curves and surfaces. Applications of point-normal fitting include enhancement in the free-form curve design by adding the normal control, and accurate approximation of offset curves/surfaces. Our method relies on a surprisingly simple geometric algorithm which iteratively updates the input control points in a global manner based on local point-curve/surface distance computations, imposition of orthogonality conditions of the normal vector, and offsetting procedures. Examples are provided to demonstrate the effectiveness of the proposed algorithms.
插值是b样条曲线曲面应用中最典型的问题之一。在本研究中,我们不仅对插值一组点感兴趣,而且对b样条曲线和曲面在这些点上给出的法向量感兴趣。点法向拟合的应用包括通过增加法向控制来增强自由曲线设计,以及精确逼近偏移曲线/曲面。我们的方法依赖于一个非常简单的几何算法,该算法基于局部点-曲线/曲面距离计算,法向量的正交性条件的施加以及偏移过程,以全局方式迭代更新输入控制点。通过实例验证了所提算法的有效性。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Loop Subdivision Surface Fitting by Geometric Algorithms
- DOI:
- 发表时间:2008
- 期刊:
- 影响因子:3.6
- 作者:Y. Nishiyama;Masayuki Morioka;T. Maekawa
- 通讯作者:Y. Nishiyama;Masayuki Morioka;T. Maekawa
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MAEKAWA Takashi其他文献
Development of an Excitation and Detection System of Electron Bernstein Waves in LATE
后期电子伯恩斯坦波激发与检测系统的研制
- DOI:
10.1585/pfr.17.1401024 - 发表时间:
2022 - 期刊:
- 影响因子:0.8
- 作者:
GUO Xingyu;ASHIDA Ryo;NOGUCHI Yuto;TANAKA Hitoshi;UCHIDA Masaki;MAEKAWA Takashi - 通讯作者:
MAEKAWA Takashi
MAEKAWA Takashi的其他文献
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{{ truncateString('MAEKAWA Takashi', 18)}}的其他基金
Non inductive buildup of keV plasma using X-wave in fusion tokamak
在聚变托卡马克中使用 X 波非感应形成 keV 等离子体
- 批准号:
17K06992 - 财政年份:2017
- 资助金额:
$ 2.91万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Suface curvature control by iterative geometric algorithm and its application to isogeometric analysis
迭代几何算法的表面曲率控制及其在等几何分析中的应用
- 批准号:
24360060 - 财政年份:2012
- 资助金额:
$ 2.91万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Improvement of ECH-driven plasma current startup by control of pitch angles of fast tail electrons
通过控制快尾电子的俯仰角改进 ECH 驱动的等离子体电流启动
- 批准号:
23360411 - 财政年份:2011
- 资助金额:
$ 2.91万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Study of non-inductive formation of magnetic surface by ECH for start-up of super conducting tokamaks
ECH无感形成磁表面用于超导托卡马克启动的研究
- 批准号:
20246133 - 财政年份:2008
- 资助金额:
$ 2.91万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Start-Up and Formation of Spherical Tokamak Equilibria by Electron Bernstein Wave Current Drive
电子伯恩斯坦波电流驱动球形托卡马克平衡的启动和形成
- 批准号:
14208053 - 财政年份:2002
- 资助金额:
$ 2.91万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Development of pollution-free fining agent ; mechanism of fining reaction and redox eqilibrium
无公害澄清剂的开发;
- 批准号:
13450357 - 财政年份:2001
- 资助金额:
$ 2.91万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
On-axis ECCD by Strongly Focused mm Waves
强聚焦毫米波同轴 ECCD
- 批准号:
10480101 - 财政年份:1998
- 资助金额:
$ 2.91万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Electrochemical Study on Redox Behavior of the multivalent Metal Ions in the glass Melts
玻璃熔体中多价金属离子氧化还原行为的电化学研究
- 批准号:
09450327 - 财政年份:1997
- 资助金额:
$ 2.91万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Formation of Plasma potential by means of ECH at divertor and peripheral region of plasma
通过 ECH 在偏滤器和等离子体外围区域形成等离子体电势
- 批准号:
08458108 - 财政年份:1996
- 资助金额:
$ 2.91万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Frequency Shift of Submm Waues with a Super Rotating Grating
使用超级旋转光栅实现亚毫米波的频移
- 批准号:
01880003 - 财政年份:1989
- 资助金额:
$ 2.91万 - 项目类别:
Grant-in-Aid for Developmental Scientific Research (B).