在计算机图形学中，三维几何模型通常用多边形网格进行描述。
In computer graphics, 3d objects are often represented by polygonal meshes.
采用了增加颜色、纹理、消隐、材质和光照技术来加强三维几何模型的真实感。
The models reality has been increased by applying color, texture, hidden-surface removal, material and lighting.
结论：利用三维激光扫描技术可以快捷、准确地建立三维几何模型和有限元模型，以满足临床工作的需要。
Results: The emulational model was accurate. It could meet the need of dynamic analysis in stomatognathic system. Conclusion: Laser scanning technic can ge…
本论文分析了三维几何模型数字水印的基本原理和方法，研究了空域中的三维网格水印算法和三维点集模型的水印算法。
Research on digital watermarking algorithms for the 3d mesh model in the spatial domain and 3d shape model defined as a point set is made.
基于断层图象的几何重建是三维数据场可视化技术的主要研究内容，重建物体的三维几何模型也是分析、仿真、决策的前提。
Geometry reconstruction from slice-images is a main topic of visualization of 3d volume data. Reconstruction of model is the premise of analysis, emulation and decision-making.
根据安全阀的实际结构和参数，利用三维建模软件Proe，结合计算数学模型的可行性，建立了安全阀流道的三维几何模型。
The 3-d geometrical model of relief valve was built by using PROE software, according to its actual structure and parameters as well as feasibility of computational mathematical model.
三维几何模型已成为一种重要的多媒体数据形式，因此解决三维几何模型的超分辨率问题，从完善理论和推广应用的角度都具有重要的意义。
Since 3d models have become an important data form of multimedia, 3d super-resolution problem is of great significance for both theory and practical application.
从三维编织工艺和实际的编织过程出发，针对方形编织结构提出了一种单元几何模型。
For square braiding structures, a representative geometric model of unit cell is presented through studying the actual braiding process.
为了获取三维数值化概念机模型的浸润面积和横截面积等几何特性，本文提出了一种基于离散化面元的估算方法。
To estimate the geometric characteristics, especially wet areas and section areas, of three dimensional numerical conceptual aircraft models, a method based on surface elements is proposed.
本文提出了三维地理信息系统中几何特征的误差模型。
This paper presents the error models developed for handling geometric features in three dimensional Geographical Information Systems.
其次，在几何建模方面，利用CT切片对喉部的声带等主要组织进行三维重构，形成真实的三维模型。
Secondly, for geometrical modeling, a three-dimensional model of main tissue such as vocal of throat is set up using 3d reconstruct from ct segments.
本文建立了有限几何尺寸板条激光介质的三维温度分布模型。
In this paper, a three-dimensional model for temperature profile in finite laser slabs is presented.
有关三维编织复合材料的理论分析研究归纳为：基于细观结构几何模型的物理性能研究和力学性能研究两部分。
The research on 3D braided composites can be classified with the research of physical performances based on mesoscopic geometrical model and mechanical properties.
根据几何构造模型能够准确表达植物根系形态结构的特点，提出了一种植物根系三维建模方法。
According to the characteristics of geometrical modeling which can describe exactly the structural features of plant root systems, a method about modeling of plant root systems is proposed.
特征技术是三维几何建模领域中继实体模型技术后的又一个重要里程碑。
Features 3d geometric modeling technology is the area of solid model relay technology is another important milestone.
对由自动分割和手工勾画出的组织，用MT算法构建其三维表面几何模型。
The 3d surface geometry model is constructed by using MT algorithm from the tissues extracted by automatic or manual segmentation.
再据加工刀具几何参数建立其三维模型。
The 3d model of machined cutter was founded by geometry parameter.
以盘形凸轮为例，提出一种用计算机编程实现平面零件实物三维几何数据获取以及模型反求的方法。
This paper took discal cam as an example to bring forward a method of using computer program to get 3D geometric data of planar part and make its model in reverse.
过程中使用的循序渐进的几何推理给实际求解三维几何约束模型提供了一种高效方案。
Gradually using geometrical reasoning in whole process provides a kind of valid plan to solve 3-d geometric constraint models practically.
采用纹理映射方法把输入图像垂直映射到三维人脸几何模型上。
Using texture mapping method vertically maps the input image to 3D geometric human face model.
从空间几何角度出发，利用空间向量的关系研究坐标转换，提出一种新的三维基准转换模型。
Through studying the relationship between space vectors of different coordinate systems, a new model of three-dimensional datum transformation is proposed.
目标定位是通过双目视觉模型分析，利用空间几何关系，最后提出了目标点的三维坐标计算表达式。
Object location is defined as coming up with three-dimensional coordinate expression through binocular vision model analysis using geometrical relationship.
基于三轴数控机床的空间误差模型，使用三维步距规识别数控机床空间几何误差。
Based on error model, the three dimension-stop gauge was used to identify the space errors of CNC machine tools.
本文建立了有限几何尺寸棒状激光介质瞬态热分布的三维模型。
A three-dimensional model for transient thermal profile in a finite laser rod is presented.
本文通过一系列的处理重建三维服装的几何模型。
In this paper, the geometrical surface of 3d garment is reconstructed through a series of treatments.
与传统的几何建模技术不同，基于图像的建模技术采用的策略是由光学系统对原始场景模型进行扫描，然后自动恢复出场景的三维模型。
Different from the traditional geometric modeling technology, the image based modeling technology get raw data from the original scene with cameras or other kind of optical instruments.
建立了三维变动几何约束网络的运动学模型的一般表示式，从而构成了公差大小优化的等式约束。
The general expressions of kinematic model of 3-dimensional VGCN are presented, which is the equation constraint in optimization of tolerance values.
建立了三维变动几何约束网络的运动学模型的一般表示式，从而构成了公差大小优化的等式约束。
The general expressions of kinematic model of 3-dimensional VGCN are presented, which is the equation constraint in optimization of tolerance values.
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