Ray tracing, used during generating realistic images, is systematically introduced in this article. And some improving methods are given for shadow test and antialiasing.
本文对逼真图形生成过程中所使用的光线跟踪法作了系统的介绍，并对其中的阴影测试及抗阶梯效应的几种改进方法作了说明。
This paper proposes a blind sidewalk detecting and tracing algorithm based on the color information and lays emphasis on dealing with the change of illumination and the cast shadow.
本文提出了一种基于颜色信息的盲道区域识别与跟随算法，侧重于解决光照条件改变与有投射阴影的条件下导盲道的识别问题。
The 3d wavefront construction method ray tracing can ensure stabile and reasonable density of rays, avoid the shadow problems in those traditional methods for ray tracing.
三维波前重建法射线追踪过程中可以保证稳定合理的射线密度，克服了常规射线追踪方法存在阴影区的问题。
Various hidden-surface algorithms, shadow processing and texture mapping techniques are classified and compared in this paper. Ray tracing is systematically introduced.
本文主要介绍、归纳、比较在逼真图形生成过程中的各种消隐算法、各类阴影生成算法和纹理影射技术，并对光线跟踪法作了系统介绍。
In this paper, a soft shadow algorithm based on ray-tracing was introduced.
提出了一种基于光线跟踪的软阴影算法。
In this paper, a soft shadow algorithm based on ray-tracing was introduced.
提出了一种基于光线跟踪的软阴影算法。
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