Based on the improvement of Taubin s discrete curvature estimation method of triangular mesh by the adoption of area and angle weighted triangle vertex normal vector calculation formula and triangle centroid weights, a novel algorithm for triangular mesh regularization is presented.
采用面积夹角加权的三角网格模型顶点法矢及三角片质心权值对Taubin的三角网格模型离散曲率计算方法进行了改进,在此基础上提出了一种新的三角网格模型优化调整方法。
A new formula for the calculation of mesh vertex normal vector is presented.
本文首先提出了一种新的网格模型顶点法矢计算公式 ,该公式采用网格模型中三角片面积与顶角角度综合加权 ,可同时反映三角片面积与顶角角度对顶点法矢的影响。
A novel formula for the estimation of triangular mesh vertex normal vector is presented.
给出了一种新的面积角度加权的三角网格模型顶点法矢计算公式,在此基础上对Taubin离散曲率计算方法做了改进,采用质心距离权重代替面积权重,提出了新的离散曲率计算方法。
By the study of the B-spline interpolation method,a new ascertain method about common node vector is presented.
文中通过对B样条插值算法的研究,提出了一种新的公共节点矢量确定方法,利用该方法首先对经过预处理的CT牙齿图片提取轮廓线获得三维数据点,之后对轮廓线数据点进行B样条曲线的拟合,在每条拟合曲线上根据所确定的节点矢量值重新采样,由重新采样的三维数据点利用B样条曲面插值算法构造闭合曲面,所构造的闭合曲面是对原始轮廓数据的拟合。
The distance of model node can be calculated by Riesenfeld method and the string is the main parameter to build node vector .
采用里森费尔德方法计算型值点间的弦长值 ,以此作为主要参数构造节点矢量 ,实现了用 NU RBS工具精确建模和自由曲面设计的目标 。
The two algorithms adopted in th method are used to remove the huge amounts of redundant control points produced in the cross-section compatibility process and to get an optimal knot vector in skinning direction respectively.
该方法包括两个算法:一个算法用于去除截面线相容性处理所产生的大量的冗余控制顶点,另一个算法用于确定蒙皮方向最优的节点矢量。
Firstly,the distribution of the blending functions in whole knot vectors region is found.
研究了B样条曲线基函数在整个节点矢量区域的分布 ,然后分析了基函数在各节点矢量区域的变换规律 ,最后得到了均匀非周期B样条曲线基函数的快速求解 ,该算法比传统算法速度快 ,简单易实现。
Research on Features Extraction of Radar Target HRRP Based on Poles
基于HRRP极点矢量的特征提取方法研究
Notes on the Bra Vector and Ket Vector, Reciprocal Basis Vectors and Reciprocal Vectors, Covariant Vectors and Contravariant Vectors;
关于左矢、右矢和相伴基矢、相伴矢量以及协变矢量、逆变矢量的几点注记
The norm of a quaternion is similar to that of a vector.
四元数的平均值与矢量的有点相似。
Study on the Vectorization Technology of Dot Matrix Meteorological Facsimile Maps;
点阵式气象传真图的矢量化技术研究
Vectorization Primal-dual Interior Point Implementation of Optimal Power Flow
最优潮流的原对偶内点法矢量化实现
Point distribution-based dual snake model in vector edge update
点分布-双蛇模型用于矢量边界更新
That location is the real-mode vector for the breakpoint( INT3) interrupt.
这个位置是对于断点（NT3）端的实模式矢量。
Use the vector dot product to find the obtuse angle between two diagonals of a cube.
用矢量点积求立方体的两条对角线所夹的钝角。
MRT2-Based Localization of Anterior and Posterior Commissures on Midsagittal Plane;
基于MRT2加权像确定中矢面上AC和PC点的位置
NATURAL BASIS VECTORS ON 3-D FREE SURFACE WITH SINGULAR NODES
三维自由曲面上特殊点的自然基本矢量
Vertex Normal Vector Estimation Methods for Manifold Triangular Meshes
二维流形三角网格模型顶点法矢量估计
Data Reduction for LiDAR Point Cloud Data Considering Vector Characteristic
顾及矢量特征的机载LiDAR点云数据压缩方法
Voice Activity Detection Method Based on Selected Sub-bands Vector Distance
基于临界带特征矢量距离的端点检测算法
Research of "blind" spot in LVQ network
对学习矢量量化神经网络中“死”点问题的研究
Control Point Based Algorithm of Boundary Vectorization in a Binary Image
基于控制点的二值图像边界矢量化算法
Node localization in wireless sensor network based on vectors and particle swarm optimization
基于矢量和粒子群优化的传感器网络节点定位
Multi-View Video Coding Method Based on Global Motion Vector
基于全局运动矢量的多视点视频编码方法
When the factor to be cancelled is a base vector, we dot-multiply by another base vector to produce a kronecker delta.
当要消去的因子是一个基矢量时，用另一个基矢量来点乘，以得到克罗内克尔记号。