碰撞检测问题是三维场景漫游的技术难点。
建立了基于三维场景的红外成像制导系统虚拟样机。
Based on 3d ir scene, a virtual ir imaging guiding system model is established.
系统模块分为三维模型维护模块和三维场景显示模块。
System module is divided into three-dimensional model processing module and three-dimensional scene shows.
如下图，是在三维场景里对危险源(燃气罐)进行信息查询。
In the follow picture, it enquires about the hazardous source in the 3d scene.
其中主要工作包括：首先，对三维场景建模技术做了一些研究。
The main content is organized as follows:Firstly, some research on 3-D scene modeling technology is made.
交互虚拟环境中，VRML作为三维场景描述语言得到广泛应用。
In interactive virtual environment, there are wide applications of VRML which is the 3d describing language.
你是对的，在WPF3D的三维场景中的适当的点和线不支持仍然存在。
You are right, there is still no support in WPF 3D for proper lines and points in 3D scenes.
为实现准确的三维场景匹配，提出了一种基于边缘线的三目立体匹配方法。
To realize accurate 3d scene matching, a trinocular stereo matching scheme based on edge segment was developed.
给出了三维场景绘制、双缓存技术的运用、坐标转换等过程及部分实现代码。
The paper provides process and parts of program including drawing 3D scene, application of double buffer technique, transformation of coordination etc.
这样，实现了既凸出显示屏外又凹进显示屏里的三维场景的逼真再现显示效果。
Thus, the life-like represented display effects of the three-dimensional scene, which are projected out from and concavely sunk in the display, are realized.
为了使三维场景直观地从纸上蹦出来，通常是单色，雕刻必须发挥他们的想象力。
To make the three-dimensional scenes pop out visually from the paper, as they are usually in monochrome, engravers must exert their imagination.
三维符号的自动建模是三维符号设计的难点，也是提高三维场景建模速度的关键。
Automatic modeling is the most difficult in 3D symbol designing, and it's import key of quckly modeling scene.
根据立体视觉在视觉导航应用中的特点，提出了由视差图重建三维场景的整套算法。
From the specialties of the stereo vision applied in vision-based navigation, we propose a whole solution to reconstruct 3d scene from the disparity map.
纹理映射技术的应用能增强三维场景绘制的真实感，并能提高三维场景的渲染速度。
The application of texture mapping technology can strengthen the reality and increase the rendering speed of the 3d scene.
全景图像技术是一种通过微透镜阵列来记录和显示全真的三维场景的三维图像技术。
Integral imaging is a technique capable of recording and displaying3 D images with comtinuous parallax in full natural colour through micro-lens array.
文中提出了一种适用于在给定视点运动路径情况下，处理三维场景的可见性预处理算法。
This paper presents a visibility preprocessing algorithm for 3D scene, which is suitable for the occasion that the moving path of viewpoint is given.
所有的学习资料，包括三维场景和一个非常详细的三维卡车模型，将被用于动力学模拟。
All learning materials will be included with the course including 3d scenes and a very detailed 3d truck model which will be used in dynamics simulation.
在这个网站上，你不仅可以看到自己制作的虚拟三维场景，还可以看到所有其他用户的作品。
At that site you can view not only your own synths, but the synths created by every other Photosynth user.
基于计算机图形学的理论，利用植被的结构参数就能模拟出具有真实结构的植被三维场景。
Based on the theory of computer graphics, we can use the parameters of vegetation structural to simulate a three-dimensional scene of real structure parameters.
根据视觉导航应用的特点，提出了由视差图重建三维场景算法的误差分析及误差补偿算法。
From the specialties of application of vision-based navigation, we propose an algorithm for error analysis and compensate of reconstructing 3d scene from the disparity map.
机器视觉的一个很重要的目标就是从二维图像中恢复出场景的三维坐标数据，重构三维场景。
One of the most important targets is to recover the scene of 3d data and to reconstruct 3d scene.
在此基础上，建立和渲染整个无人机任务飞行的三维场景，使无人机的飞行环境贴近真实世界。
Based on this, it establishes and enriches the 3d scene, which makes the flight environment of the UAV like true world.
研制出三维模型自动简化预处理模块，能有效降低人工简化编辑大数据量三维场景的作业强度。
The main works and innovations of this dissertation are as follows:a) The preprocessing module of automatic simplification for 3D models is accomplished.
其他的一些直接操作的例子如在画图类的程序中调整图像的大小，在三维场景中移动对象和视角等。
Other examples of direct manipulation are the resizing of a graphic object in a drawing application and the positioning of an object or camera view in a three-dimensional scene.
理想状况下，一个三维场景中的每个局部都应该在至少三张照片中有所体现，而且相互之间要有50%的重叠。
Ideally, portions of each slice of a 3-D scene should show up in at least three photos, with 50% overlap between them.
这两个模块的结合，实现了遥感影像、矢量地图、数字高程模型以及三维场景数据的统一管理和调度。
All of these two modules achieve unified management and scheduling about remote sensing images, vector maps, digital elevation models and three-dimensional scene data.
软件会对照片进行分析，找出哪些有重叠以及重叠的顺序，然后将那些匹配的图片转换成虚拟三维场景。
The software will analyze the pictures, figure out which ones overlap and in what order, and then turn those shots that match up into a 3-d synth.
三维场景综合显示、空间分析、海量地物模型管理、三维视点控制是三维可视化软件设计常用的技术。
Comprehensive display three-dimensional scene, spatial analysis, mass surface features model management, three-dimensional perspective control are commonly used to design visualization software.
这项技术把计算机制作的虚拟三维场景作为背景，并与电视摄像机拍摄的演员图象复合起来作图象输出。
It utilizes 3d virtual scene made by computers as background and combines it with the foreground images of actors in studio in real time.
在铁路线路三维场景中，存在着大量的对称物，如树木、亭子、栏杆等，大部分对称物都属于复杂地物。
There are a lot of symmetry objects in the railway 3d sight, such as tree, georgette, and balustrade and so on.
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