为了能在基于PC平台的虚拟现实中实现更具真实感的人体运动仿真，该文提出一种改进的约束求解方法，将人体建模为基于约束关节树的骨骼结构。
In order to make human motion simulation more realistic in Virtual Reality on PC platform, this paper introduces an improved method of modeling human body as a tree with constraint joints.
除了具有重要的科学研究意义，真实感人脸建模还具有广泛的实际应用。
In addition to important scientific significance, realistic face modeling also has a wide range of practical applications.
真实感树木实时绘制研究一直以来都是计算机图形学的一个热点领域，因为树木复杂的细节结构使其无论是在建模、存储还是绘制上都存在相当大的困难。
Research on real time rendering of realistic tree is a focus field of computer graphic all the time, because complicate detail structure of tree makes it very difficult to model, store, rendering.
针对影视动画领域，利用LS_5000型三维激光扫描仪，提出了一套真实感三维人脸快速建模算法。
Using LS_5000 3d laser scanner, an efficient realistic 3d face modeling algorithm was proposed to create virtual actor for film and TV animation.
真实感三维人脸建模和人脸动画是计算机图形学、计算机视觉领域最根本、最困难的问题之一，也是近年来国际上最活跃的研究热点。
Realistic 3d face modeling and animation is the research focus in computer graphics and computer vision, and has many challenging open problems.
三维地形可视化仿真技术是虚拟现实的重要手段之一，主要研究真实感三维地形建模和三维地形可视化的实时绘制。
Visual 3D terrain simulation technology is an important means of virtual reality, which deals with realistic 3D terrain modeling and 3D terrain visualization real-time drawing mainly.
其最大的特点就是克服了传统的基于几何建模和绘制的不足，可以实现真实感很强的场景漫游效果。
Furthermore, it's most remarkable that IBMR can overcome the deficiency of traditional Geometry Based Modeling and Rendering technique, so IBMR can realize photorealistic modeling and navigating.
在现代的一些虚拟现实系统中，如模拟人体模型、游戏以及电影特技中需要对头发的真实感进行建模。虚拟现实的关键技术之一是对显示对象进行建模。
In some virtual reality systems, such as simulated human body model, computer games and stunts in movies, there is a need of hair modeling.
本文以教育部春晖计划——“基于网格的喀斯特地区数字博物馆的基础研究”为背景，结合遥感数字影像处理，研究三维真实感地形的建模和可视化方法。
As we know the build of third dimension scene needs a lots of real remote sensing images, theirs combination is one efficient way to high third dimension.
本文以教育部春晖计划——“基于网格的喀斯特地区数字博物馆的基础研究”为背景，结合遥感数字影像处理，研究三维真实感地形的建模和可视化方法。
As we know the build of third dimension scene needs a lots of real remote sensing images, theirs combination is one efficient way to high third dimension.
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