在此文中，我们仅会正讨论点光源及漫射光照模型。
We will be discussing only point lights and the diffuse lighting model in this document.
对电弧光的干扰进行了深入的研究，建立了电弧干扰的光照模型；
The influence of arc noise to laser strip image is studied comprehensively, and the arc noise model is established.
第一，用巨大的连续几何块创建网络的方法，第二是我们使用的光照模型。
First, the way the mesh is created as a giant continuous piece of geometry.
在分析基于光照模型的光度立体算法的基础上，本文进一步研究了基于参照物的光度立体建模算法。
On the basis of research on the algorithms using shading models, we further focus onto the Photometric Stereo algorithms using reference objects.
绘制过程中，本文提出了一种改进的多光源局部光照模型来有效反映不同光照条件下艺术图像的不同表征力。
We propose a new multi-lighting reflectance model which can represent the variability of lighting conditions on artistic painting.
在研究基于图像的局部光照模型时，又提出了双向折射率分布函数这一概念，从而简化了局部光照模型的设计。
The basic idea is illuminating the scene with the light probe images. To simplify the design of local illumination model, the bidirectional transmit distribution function is introduced.
针对室内虚拟漫游的特点，对现有的全局光照模型的算法进行改进，并通过演示系统对改进后的效果加以验证。
According to indoor walkthrough's feature, we improve existing global illumination model's algorithm and check improved results by experimental system.
对三维图形计算机显示的基本原理进行了讨论，详细介绍了坐标系变换、投影变换和明暗处理及光照模型的基本原理。
Then, the basic principles of drawing 3d graph by computer are discussed, particularly explained the fundamental theory of coordinate transform, projection transform and light model.
给出一种基于光照模型的、针对三阶矩阵迭代的可视化算法，并利用该算法绘制了三阶矩阵单步、多步迭代序列的图形。
In the paper, the effects of the selection of the initial vector and the controlling condition of the iterating cycles in the matrix iteration method are inquired into.
对高光本色油漆的膜层结构提出简化假定，通过物理、光学分析，导出其双向光谱反射率函数，得到了一种新的光照模型；
Based on simplified assumptions on solid paints film structure, a new bidirectional reflectivity function is obtained through physics and optical analysis;
利用全局光照模型实现对三维形体的绘制，并利用大规模点模型对所提出的简化方法进行了试验，试验结果证明了方法的有效性。
Global illumination is used to render 3d models. The proposed simplification method is tested using largescale point data, and the results verify its effectiveness.
利用此系统可导入外部的虚拟建筑模型，并对其添加光照、增加材质和纹理等，使其更具有真实感。
In the system we can import external virtual building model, and add lights, materials and textures for it, to make it more realistic.
但由于构建背景模型需要考虑光照变化等很多因素，因此开发一个好的减背景算法面临很多挑战。
However, there are many challenges in developing a good background subtraction algorithm for many factors such as changes in illumination should be considered in constructing a background model.
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.
本文采用局部电流平衡模型，在无光照条件下，对不同表面材料、不同几何形体的航天器充电情况进行了计算。
In this paper, by using the local current balance model, the charging magnitudes of electrically-isolated, shaded surfaces of a spacecraft are calculated for different shapes and materials.
本文介绍了在风洞光学测压试验中应用虚拟仪器技术对模型表面温度和模型表面光照强度的测量方法。
The paper describes the measurement method for model surface temperature and model surface illumination strength in wind tunnel optical pressure measurement test by the virtual instruments.
因此，为创造一个虚拟玫瑰模型，需要预知温室气候，主要是光照和温度。
Therefore, in order to create a virtual rose model, we need to predict greenhouse climate, mainly light and temperature.
提出了一种基于像素光照计算的设计分析方法及相应的光照计算参数的纹理表示模型；
Secondly, a technique on how to analyze and solve rendering problems with pixel shading is proposed, along with the methods on how to construct texture representation of lighting parameters.
基于模型的光照图的基本思想是利用已经获得的人脸反光模型，从单张人脸照片恢复出人脸所在场景的光照图。
The basic idea of model-based light map is to explore the captured facial reflection model and recovering light map from a single picture.
以光照为主要依据建立了研究框架模型，对草坪植物a的密度效应及其杂草分布情况进行了研究。分析了A草密度与杂草分布之间的相互关系及其生态学成因。
The study was carried out on the density effect of lawn plant a and the distribution of weeds around it with the frame model mainly according to sunlight.
针对复杂背景及不同光照条件下的车牌图像，提出了一种基于RG B色度空间的车牌定位及校正的新方法，建立了基于RG B色度空间的牌照检测模型。
A new approach is presented for vehicle license plate location and rectification based on RGB chroma space in the complicated-background and different illumination images.
目前手势识别系统主要是利用肤色模型分割手部区域，检测结果易受光照、背景等条件影响。
Most gesture recognition systems use skin color model to segment hand. The segmentation results are affected by to the light, background and other conditions.
文中算法采用HSV颜色空间，通过对背景统计模型中各颜色分量的有效分析和区别使用，能够很好地适应不同的环境光照条件。
HSV color model is also used and its color components are analyzed and treated separately so that the proposed algorithm can adapt to different environmental illumination conditions.
其次对模型加入了帧间处理使其可以适应全局的快速光照变化。
Then, the frame disposal was joined to the model so that it can adapt to deal with the rapid global changes in light.
在高斯随机面元统计散射模型的基础上，提出了目标表面为随机粗糙平板面的空间目标散射太阳光产生地面光照度的散射计算模型。
Then based on the Gauss random facets statistical scattering physical model, the calculation model for Gauss random surface of spatial objects that is made from planes is derived.
对地貌模型图像在视角变化、光照不一致等情况下，进行大量实验表明，该方法具有稳定、快速、高效的特点。
Numerous experiments have been carried out in the condition of moving visual Angle and different illumination. The results showed that this method is stable, speedy and efficient.
提出了这两种缺陷的结构模型，讨论了吸收带漂白与曝光剂量的关系以及缺陷在不同激光照射下的光敏作用。
The structural models of two defects are presented, the bleaching dynamic of absorption with laser irradiation is analyzed, and the photosensitive processes with different laser sources are discussed.
实验结果表明，上述改进可以有效提高模型匹配的效率和准确性以及模型对光照的适应性。
The experimental results show above methods have impressive effectiveness on the improvements of the model matching accuracy, efficiency, and illumination adaptability.
对光照射下硅桥谐振子的谐振频率变化进行了理论分析，并建立了相应的理论模型。
A theoretical model is developed for calculating the frequency of the silicon bridge under radiation.
对光照射下硅桥谐振子的谐振频率变化进行了理论分析，并建立了相应的理论模型。
A theoretical model is developed for calculating the frequency of the silicon bridge under radiation.
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