In this paper, we analysis what causes objects jagged edges in ray tracing.We discuss several kinds of antialiasing methods, on which we propose and implement an adaptive random sampling.

• 摘要分析了光线追踪中造成物体锯齿状边缘的原因，讨论了几种反走样方法，在此基础上设计了一个自适应随机反走样算法。