1) Phone illumination mode
Phone光照模型
1.
The direct bilinear interpolation to diffuse reflection L·N and specular reflection N·H in the Phone illumination mode not only guarantees the coloring effects,but also makes the efficiency of Phone shading handle grow by 1/3.
基于现在普遍应用的Phone光照模型而对曲面体表面离散成小多边形后进行明暗处理的方法进行了简单的陈述和比较,提出了改进的Phone明暗处理方法,采用Visual C++实现程序,对Phone光照模型中的漫反射项中的L·N和镜面反射项中的N·H直接进行双线性插值,既保证了着色效果,又使Phone明暗处理的效率提高了近1/3。
2) light model
光照模型
1.
As an important part of CAD for woven fabric,the simulation technique of woven appearance has received due attention and research,and some mature techniques have come into being,which can be classified into three categories: color matching model-based method,yarn designing-based method,and geometrical model and light model-based method.
作为织物CAD的重要组成部分,织物外观仿真技术得到了足够的重视和研究,形成了一些相对比较成熟的模拟方法,这些仿真方法可归为3类:配色模纹法、基于纱线设计的织物外观模拟法、基于织物几何结构和光照模型的织物外观模拟法。
2.
In order to improve the quality of the 3D medical image reconstructed via Shear-Warp,an improved pre-integrated volume rendering(IPVR) algorithm based on Shear-Warp is proposed,in which the volume rendering equation and the light model are adopted to determine the final re-sampling value and to construct an intermediate image.
该算法采用预合成体绘制技术,在重采样过程中,结合体绘制方程和光照模型,确定最终的重采样值并合成中间图像,从而消除标准Shear-Warp算法中因欠采样而产生的混淆现象。
3.
The colors and the opacity of voxels in transfer function should be assigned in order to display hide interfaces (the interface of inner different mediums) in objects by direct volume rendering based on the general volume light model.
在普通的体光照模型下,使用直接体绘制显示对象内部的隐含分界面(内部不同介质之间的分界面),需要改变传递函数,确定体素的颜色值和不透明度。
3) Illumination Model
光照模型
1.
Computer Simulation of Fabric Contexture and Illumination Model;
织物组织结构与其光照模型的计算机模拟
2.
Study of image-based illumination model and its implementation;
基于图像的光照模型的研究与实现
3.
3D reconstruction technology of SMT solder joint by shape from shading based on improved illumination model
基于改进光照模型由SFS方法重构SMT焊点三维形状技术
4) shading model
光照模型
1.
According to three dimension rotating geometric model and Phong BuiTuong s shading model , and based on the previous equi intensity principle, this paper describes a new specular reflection model and an improved real time algorithm generating a set of projective equi intensity curves on quadric surface.
在旋转的空间几何模型和Ｐｈｏｎｇ光照模型分析基础上，基于以往的二次曲面等灰度理论，提出了一种新的镜面反射模型和投影等灰度线生成算法。
5) Lighting model
光照模型
1.
To construct lighting model of the real world is one of the critical technologies in augment reality.
增强现实系统真实环境整体光照模型的建立 ,是增强现实技术研究的重要部分。
2.
Secondly,use lighting model to calculate the gray value of the projection plane.
与以往的思路有所不同,论文通过把三维表面投影到平面上,利用光照模型计算投影平面的灰度值,实现投影图像与实拍照片间的匹配,在匹配中调整投影参数使得两平面图像达到最佳相似,进而实现三维到二维的自适应配准。
3.
This paper presents a kind of advanced lighting model based on Phong lighting and radiosity model to improve the traditional ray-tracing lighting model which lacks of the radiant-energy interactions (diffuse inter-reflection) between all faces in a scene.
光线跟踪算法所基于的Phong光照模型对于面片之间的辐射与色素渗透效应(即漫反射相互反射, diffuse inter-reflection)表现不足,本文在辐射度与Phong光照模型的理论基础上提出了一种高级光照模型,并对该模型建立了相应的简化模型,并给出了加速算法予以实现。
6) illumination model
光照明模型
1.
Illumination factor template based on a classic illumination model and random noise function were adopted to.
用多段拼接的低次贝塞尔曲线构造花式纱线的形态轮廓,在形态轮廓区域内及其附近添加基于光照明模型的光照明因子模板和随机噪声函数表现纱线的材质,纱线的配色在色调、亮度、饱和度(huel、uminance、saturation,HLS)颜色模型中进行,可以单色平铺和多色渐变。
2.
The magnetic field is visualized by Phong illumination model through designed material hue and normal vector in every flux tubes images pixel.
本文在正弦函数调制的灰度位势图的基础上,利用磁通量管和凹凸映射的概念,提出了一种用于显示磁场的光照明模型。
补充资料：pH
分子式：
CAS号：
性质：又称PH值。PH是以氢离子浓度表示的水的酸、碱性的量度，氢离子浓度是每升溶液中氢离子的质量（以克表示），用氢指数PH来表示，故PH便是氢离子浓度指数。PH在数值上等于氢离子浓度的负对数，即氢离子浓度倒数的对数。纯水的PH值=7；酸性水的PH值<7；碱性水的PH值>7。
CAS号：
性质：又称PH值。PH是以氢离子浓度表示的水的酸、碱性的量度，氢离子浓度是每升溶液中氢离子的质量（以克表示），用氢指数PH来表示，故PH便是氢离子浓度指数。PH在数值上等于氢离子浓度的负对数，即氢离子浓度倒数的对数。纯水的PH值=7；酸性水的PH值<7；碱性水的PH值>7。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条