反射光的物体

In the field of computer vision, the ability to distinguish specular reflection from diffuse reflection is very important .

在计算机视觉领域，对物体表面反射光中镜面反射和漫反射成分分离的研究具有非常重要的意义。

Numerical simulation of propagation of diffuse reflection light of extended object.

扩展物体漫反射光传输及成像的数值模拟研究。

So who was first to assemble a television system and demonstrate it to be capable of transmitting real-time three-dimensional objects, in movement, with a full range of grey scale tones, by reflected light?

那么，谁是第一个组装电视系统，并表现出它能够传输实时三维物体，运动，全方位的灰阶色调，通过反射光？

In the other word,we can acquire correlative information of surface by analyzing the polarized light.

而物体的反射光的偏振状态反映着物体的表面信息，通过解析反射光偏振状态的变化可以得到物体的表面信息。

We can obtain the specular reflection component by separating the reflection components, and more determine the surface normal of the object and recover surface shape of the moving objects.

通过对反射光中两成分的分离得到镜面反射成分，可进一步判断光源的方向、颜色，并取得物体表面法线方向，为自动物体建模提供依据。

The object color that we see is the top that the light source light upon object and conversion becomes the s...

我们看到的物体颜色是光源照射到它的上面时，转化成反射光进入我们眼睛的视觉色彩。

The algorithm is applied in the segmentation of Magnetic Resonance Imaging of human brain for the 3D reconstruction on dependent of different human tissue structures, in which the problem on wraps between different tissues and fuzzy edges between the different regions in medical volume data may better be settled, which can not be well done by the typical"hard"segmentation using binary logical representation.(3) An accelerated algorithm of volume rendering with X-ray perspective and Phong shading effect based on textures mapping and blending is presented for realizing 3D reconstruction of medical volume data by 2D texture mapping and blending, in which the accelerated algorithm of window transformation is utilized to computing voxels' gray scales and opacities to produce X-ray perspective images, and Phone illumination model is used to import world light sources and an unit spherical surface under the same shading environment as the actual volume rendering is employed to simulate the real reflectional light of per-voxel so that 3D reconstruction possesses illumination effect in the world. Furthermore, 3D matrix transformations of degree rotation and other operations of 3D object are studied, and a fast equivalent method of corresponding shading correction is brought forward to improve its interaction speed in volume rendering process.

该方法利用体数据的窗口变换加速算法将医学体数据转换为计算机显示值，可以得到具有X光透视效果三维图像；该方法提出的Phong明暗处理加速算法利用Phong光照模型引入外部光源，使用一单位球面体来仿真体数据的法线矢量集所产生的反射光强，以快速得到每一个体素的反射光强度，使物体的三维重建达到现实世界中人眼直接观察的逼真效果；此外，还研究了三维重建物体的三维旋转等矩阵变换，提出了一种Phong明暗修正的快速算法来保证了体绘制中三维几何变换的多视角观察的交互速度。

The result of the experiment indicates the effective and robusticity of the separation method, obtains the specular reflection of object successfully from the separation of reflection, and proves the reliability of the BRDF mathematic model.

实验结果表明本文给出的反射光成分分离方法具有实用性和鲁棒性，能成功的进行物体表面反射光的分离得到镜面反射光，验证了简化的BRDF数学模型的可靠性。

PRT considers all incident lighting from the upper hemisphere on each point of the surface resulting in smooth shadow. In this method, by considering the way light source is blocked by other objects and how it reflect on object surfaces, one can create self-shadowing and self-interreflection effects.

PRT因为考虑物体每一个表面点单独受到四面八方光线的影响，因此所呈现的明暗效果非常平滑，同时此光照技术也能够考虑每一个表面点光源被物件其他部分遮住的情形以及受到其他物件反射光线之影响，因此能够表现从来无法以及时运算呈现的自身阴影与反射光。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。