本文介绍一种基于遥感图像散乱数据点的三角曲面片插值构造方法。
This paper will present a method to make the triangular interpolating surface based on scattered data points of remote image.
利用SBGB型基函数的对偶泛函，推导出SBGB三角曲面片到退化矩形曲面片的顶点转化公式。
This thesis also presents an explicit formula that converts a triangular SBGB patch of degree n to a degenerate rectangular SBGB patch of degree nxn by reparametrization and the SBGB dual bases.
在三角形域上构造对边界曲线和跨界导数插值的三角曲面是计算机辅助几何设计和计算机图形学等领域中的基本问题。
Constructing triangle surface which interpolates the boundary curve and cross-boundary slopes on a triangle is the basic problem in computer aided geometric design, computer graphics and so on.
建立了散乱点云数据之间的拓扑信息，对点云数据进行三角剖分重构网格曲面模型。
After establishing the topology relationship of scattered points, the mesh surface model of point data is reconstructed by triangulation.
为了提高网格简化后的三角形质量，提出了一种新的基于顶点局部多项式曲面拟合的三角网格简化算法。
To enhance the triangle quality of the simplified mesh, a novel triangular mesh simplification algorithm based on local polynomial fitting surface of vertices was proposed.
将扫描体与复杂曲面法矢的求交问题，转化为三角网格与有向线段之间的求交计算。
The intersection of sweep volume with complicated surface normal is transformed into computation of intersection between triangular mesh and directed line segment.
传统的基于轮廓线三维重建方法中，直接采用由序列轮廓线生成的平面三角片拟合曲面，重建的效果和表达的信息均有限。
In traditional method, flat triangles produced by listed contour data are used directly to fit the surface in which the reconstructed effect and the expressive information are limited.
解决了这三个问题就可以得到基于轮廓数据的三角网格模型，它是原始轮廓对应的曲面的分片逼近表示。
The result after solution of the correspondence, branching and tiling problems is a triangular mesh that is a piecewise planar approximation of a surface consistent with the contours.
针对空间网格曲面，提出空间三角网格曲面的边界提取方法。
As for space mesh surface, the method of getting the contour from space mesh surface is achieved.
研究了三角网格模型上顶点曲率的估算方法，并用参数曲面的网格模型验证了曲率估算的精度。
The main contents are as follows:A vertex curvature estimation method for triangle mesh is researched and the accuracy of curvature estimation is verified by parameter surfaces.
提出一种新的由点云数据生成三角网格曲面的区域增长算法。
A new region-growing algorithm is presented for triangular mesh surface reconstruction from point-cloud data.
传统的方法直接采用由序列轮廓线生成的三角片来拟合曲面，重建的效果和表达的信息均有限。
Flat triangles produced by listed contour data are used directly to fit the surface in traditional method, in which the reconstructed effect and the conveyed information are finite.
提出了一种新的隐式曲面高质量三角化方法。
We present a new high quality tessellation method for implicit surfaces in this paper.
基于散乱数据点集构造三角插值曲面的方法，在CAD/CAM、科学计算可视化、图像处理等领域有着广泛的应用。
The triangular interpolating surface construction based on scattered data points has extensive applications in CAD/CAM, scientific visualization, image processing.
在定位的基础上拟合脊柱中心线并建立测点集，应用MC算法输出三角网格模型，重建出脊柱中心曲面。
On the basis of the spine and fitting the centerline of spine, MC algorithm is used to output triangular mesh model to reconstruct the spine center surface.
其次，通过对几种比较典型纹理合成算法的研究，提出了一种三角网格曲面纹理合成技术。
Secondly, through the research of several typical texture synthesis algorithms, a triangular mesh surface texture synthesis method is proposed.
实现这一方法的关键就是对人体曲面上的散乱数据点进行有效的三角剖分。
The key of applying this new method was the effective triangular subdivision of mass data point of human body model.
提出了一种基于参数曲面三角化的复杂曲面刀具轨迹生成方法。
Based on the triangulation of parametric surface, a new method of tool path generation for complicated multi surfaces is presented.
本文主要研究基于三角形和四边形的混合细分曲面的尖锐、半尖锐特征的生成方法。
Generation of sharp and semi-sharp features such as crease, cone and corner over the quad and triangle hybrid mesh is investigated.
通过对单个平面三角片的单独细分，最后我们得到一张插值原三角网格顶点和顶点法向的光滑曲面。
We subdivide very single planar triangle independently, and finally get a smooth surface interpolating the vertices of the original triangle mesh and their normals.
提出了一种新的曲面三角网格模型参数化算法——加权最小二乘离散参数化方法(WLSDP)。
A new algorithm called the weighted least square discrete parameterization (WLSDP) is presented for the parameterization of triangular meshes over a convex planar region.
然后，提出了以推进波前法与映射法相结合处理裁剪曲面的三角剖分方法，并给出了具体的实现算法。
Then, the paper put forward method used to Triangular segmentation of trimmed surface by combining the Advancing Front Technique with Mapping Technique, and afforded its special algorithm .
研究并提出了一种三角网格曲面模型孔洞光滑填充算法。
An algorithm is researched for smoothly filling holes on mesh surface.
基于质点-弹簧模型的曲面准对称化展开算法展开三角化曲面；
Surfaces are flattened with quasi-symmetrically distributed triangle strips based on a mass-spring model.
隐式曲面多边形化的目标，是生成一个健壮的、随曲率指导的规则三角片网格。
The aim of implicit surface polygonization is to generate robust and curvature-related regular mesh.
该方法通过在遥感图像上选取局部极值点来构成平面散乱数据点集，并在此基础上进行三角剖分、优化和三角插值曲面构造。
It gets the plane scattered data points through selecting the local extremum points on the remote image, and then triangulates, constructs the triangular interpolating surface on it.
实现了一个从带噪声的密集三角形拟合出带尖锐特征的细分曲面拟合系统。
A fitting system is developed to fit subdivision surface with sharp feature from noising and dense triangular meshes of arbitrary topology.
本文在深入研究激光三角测量原理的基础上，提出了一种三维曲面的激光双三角测量法，并给出了设计要点。
On the basis of a thoroughgoing study of the principle of laser triangle measuring method, a laser two-triangle measuring system for 3-D curved surface is described.
提出了一种基于曲面局平特性的，以散乱点集及其密度指标作为输入，以三角形分片线性曲面作为输出的拓扑重建算法。
An algorithm for topology reconstruction is promoted that takes as input an unorganized set of points with known density and carries out as output simplicial surfaces.
提出了一种基于曲面局平特性的，以散乱点集及其密度指标作为输入，以三角形分片线性曲面作为输出的拓扑重建算法。
An algorithm for topology reconstruction is promoted that takes as input an unorganized set of points with known density and carries out as output simplicial surfaces.
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