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光照     
相关语句
  light
    Light Model of Fabrics and Its Computer Simulation
    织物光照模型及其计算机模拟
短句来源
    A DYNAMIC MULTILEVEL LIGHT METHOD IN LARGE SCALE VIRTUAL ENVIRONMENT
    LOL:一种大规模虚拟环境中动态多层次光照表示和处理方法
短句来源
    Face Detection in Varying Light Condition
    可变光照下的人脸检测
短句来源
    The microscopic image is affected greatly by the intensity of light re source.
    显微图像受光源光照强度的影响很大,研究了不受光照强度影响的显微细胞图像的增强技术。
短句来源
    The experimental results show that the correct detection ratio of the method can be up to 84%. The influence of background, light illumination, angle and altitude on detection is very small and the method has good robustness.
    实验结果表明,该方法的正确检出率达到84%,受背景、光照、角度、姿态的影响很小,具有较好的鲁棒性。
短句来源
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  illumination
    Research on Key Algorithms for Face Recognition under Complex Illumination
    复杂光照条件下人脸识别关键算法研究
短句来源
    The Distribution Function and Its Estimation of the Illumination Model
    光照模型的分布函数及其评估
短句来源
    ILLUMINATION FOR IMAGE RECOGNITION SYSTEM OF CROP KERNELS
    作物籽粒图象识别的光照条件研究
短句来源
    A BRIGHTNESS RECURSION ALGORITHM IN THE ILLUMINATION MODEL
    光照模型中的亮度递推算法
短句来源
    This method is effective to image's rotation and scale,even if the slight change of illumination. The experiment results indicate that this method improves the retrieval effect.
    实验结果表明,这种方法具有一定的鲁棒性,检索结果不受图像大小、旋转和轻微的光照变化的影响,相对于传统的颜色直方图法,这种方法能明显改善检索效果.
短句来源
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  lighting
    Simulation of target optic character in natural lighting
    自然光照下目标的光学特征仿真
短句来源
    Implementation of the High Level Lighting Model and Ray-tracing Based on Rediosity and Phong Model
    基于辐射度与Phong模型的高级光照模型及光线跟踪实现
短句来源
    Face Recognition Based on Subspace of Variant Lighting Direction
    基于不同光照方向的子空间人脸识别方法
短句来源
    Study on the Lighting Model of the Real World in Augmented Reality
    增强现实系统光照模型建立研究
短句来源
    Cook-Torrance Lighting Computation Using Deferred Lighting Techniques
    基于延时光照的Cook-Torrance光照模型计算技术
短句来源
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  “光照”译为未确定词的双语例句
    A Simplified Algorithm of Shading Model
    一种光照模型的简化算法
短句来源
    By sampling the aligned images, the camera's response curve, that is, the function between the grey value of a pixel and the exposure time, is fitted by the least squares method, and a high dynamic range image is constructed.
    从配准后的序列图像中采样,根据最小二乘原理拟合出相机的光照响应曲线,并获得图像中像素值与曝光量之间的映射关系,进而将不同曝光的场景照片图像融合成一幅高动态范围图像.
短句来源
    In this paper, we utilize the results of the vision neurophysiology and the psychology of cognization ,aiming at the specific pattern location in the natural environment, put forward a bionic object exploring strategy--BOES.
    本文针对自然光照和复杂背景条件下的特定目标模式识别,提出了一种仿生目标搜索策略—— BOES(Bionic Object Exploring Strategy)策略。
    A Rapid Calculation Research of Unit Reflection Ray Vector in Phong Shading Model
    Phong光照模型中单位反射光线矢量的快速计算研究
短句来源
    Two New Approaches for Illuminant Direction Estimation
    两种新的光照方向估计方法
短句来源
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  light
In light of Brenti's work on certain R-polynomials, this formula raises interesting questions about the possibility of relating Ext groups between Weyl modules to Kazhdan-Lusztig combinatorics.
      
Light microscopy revealed compressed villi, oedema, mononuclear cell filtration, and vacuolization on the cytoplasm of epithelial cells in the jejunum of hyperlipidemic rats.
      
A seaweed-chamber experiment was performed, indicating that gaseous I2 is one of the important precursors that lead to new particle formation in the presence of solar light in the ambient air at the coastal tidal area.
      
Investigation on the acute biochemical effects of light rare earths on rat serum by NMR-based metabonomic approaches
      
1H-NMR spectroscopy and pattern recognition (PR) method were used to assess the acute biochemical effects of light rare earths.
      
更多          
  illumination
But when it was irradiated under UV illumination or solar irradiation for some time, the catalyst could be reused without loss of catalytic activity.
      
For three tested samples, under UV illumination CCT01 has the highest activity for MB photocatalytic degradation, while in the case of RB, CCT02 is the most active photocatalyst.
      
Under visible light illumination, CCT005 has the highest activity for both MB and RB photocatalytic degradation.
      
After treatment of the mycelium with 5-azacytidine, the protoperithecia formation was accompanied by inversely proportional changes in the formation of conidia, both in the dark and after illumination.
      
A New Type of Adaptation of the Cyanobacterium Spirulina platensis to Illumination Conditions
      
更多          
  lighting
The running results show that the proposed algorithm can consistently yield high-quality mosaics, even in the cases of poor or differential lighting conditions, existences of minor rotations, and other complicated displacements between images.
      
The lighting problem for this class is solved, thus generalizing earlier results for zonohedrons (H.Martini) and zonoids (V.
      
The pattern of luminance waves in thin-film electroluminescent structures was modeled and the duration of transient lighting processes in these systems was determined.
      
A candle was lighting… (In memory of Mikhail Semenovich Mesezhnikov)
      
It has been tested using many photos of various ethnic groups under various lighting conditions, such as different light source, high light and shadow.
      
更多          
  opengl light
Since this is the case for OpenGL light sources too, we do not consider this as a serious drawback for mid-range graphics hardware.
      


Realistic Image Synthesis is one of the most significant research fields in computer graphics. This paper surveys most of the major issues concerning Realistic Image Synthesis, including illumination models, rendering algorithms, texture mapping, shadow generation and environment modelling with emphasis on the application of global illumination models and their associated rendering techniques, in particular, the ray tracing algorithms and ra-diosity approaches.

以真实感图形为代表的光栅图形技术日益成为计算机图形学发展的主流。本文围绕光照模型、画面绘制、纹理映射、影子生成以及场景造型等诸方面对真实感图形技术作了较为全面的综述,并着重讨论了整体光照模型和实现及其各种光线跟踪技术和光能辐射度方法。

This paper presents a new image synthesis system with two new algorithm one is the improved scan-line algorithm and the other the algorithm based on scan-line and ray-tracing. The algorithms enhance realism and speed by using object priority, zn-buffer, coherences, bounding volume, hierarchical environment, extended Phong model, shadowing, trans-parencing and texturing. They also integrate hidden surface removal with illumination models, shadow, transparency and texture effects.

本文给出了一个三维真实图形合成系统,其中提供两个新算法——改进的扫描线算法和基于扫描线法和光线追踪法的算法.在这两个算法中,利用物体优先级、zn-buffer、相关性、bounding volume、环境分层分区、阴影技术、透明技术、纹理技术等来提高真实性并加快速度,且集消隐、光照模型、阴影、透明、纹理等为一体一起处理,使它们优于传统的算法.

This paper introduces the graphics processing technology of generation and shadow display of graphics for objects of axial symmetry by giving samples. The main contents indude: the generation of needful contour of object surface; the approximation of object surface with triangle facet ( surf ace elements ) ; the calculation of the grey level of the bounding surface elements in the light of the mode of illumination; the position of view point and the strength and orien tation of the light source(the eliminatition...

This paper introduces the graphics processing technology of generation and shadow display of graphics for objects of axial symmetry by giving samples. The main contents indude: the generation of needful contour of object surface; the approximation of object surface with triangle facet ( surf ace elements ) ; the calculation of the grey level of the bounding surface elements in the light of the mode of illumination; the position of view point and the strength and orien tation of the light source(the eliminatition of hidden surface is completed while calculating the internal grey level of the bounding surface elements. This technology results in the realization of rapid display of graphics shadow.

本文通过实例介绍轴对称物体图形的生成和阴影表示的图形处理技术。主要内容有:生成所需物体表面的轮廓图形;用三角形小块面(面素)去逼近物体表面;根据光照模型,视点位置和光源强度及方位,计算各面素的灰度值,在计算面素内部灰度的同时进行隐藏面的消除,从而可快速地实现图形的阴影表示。

 
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