The Path to Path-Traced Movies
The Path to Path-Traced Movies
复制标题
路径追踪电影之路
DOI：
--
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发表时间：
2016
影响因子：
36.5
通讯作者：
Wojciech Jarosz
中科院分区：
文献类型：
--
作者：
Per H. Christensen;Wojciech Jarosz
路径追踪是通过模拟场景中光传播的物理原理来渲染逼真图像的几种技术之一。路径追踪的根源在计算机图形学之外，在为中子输运开发的蒙特卡罗模拟中。路径跟踪的一大优点是，它在概念上、数学上和算法上都很简单和优雅，但它非常通用。然而，直到最近，暴力路径跟踪技术都过于嘈杂和缓慢，无法用于电影制作渲染。因此，除了偶尔生成参考图像以验证其他更快但不太通用的渲染算法的正确性之外，它们在学术界之外几乎没有使用。在过去的十年里，这种平衡发生了巨大的变化，路径追踪技术现在得到了广泛的应用。这种转变的部分原因是计算能力和内存的稳步增长，但也得益于采样、渲染和去噪技术的重大改进。在本调查中，我们提供了路径跟踪的概述，并强调了其发展中的重要里程碑，这些里程碑使其成为当今首选的电影渲染技术。
Path tracing is one of several techniques to render photorealistic images by simulating the physics of light propagation within a scene. The roots of path tracing are outside of computer graphics, in the Monte Carlo simulations developed for neutron transport. A great strength of path tracing is that it is conceptually, mathematically, and often-times algorithmically simple and elegant, yet it is very general. Until recently, however, brute-force path tracing techniques were simply too noisy and slow to be practical for movie production rendering. They therefore received little usage outside of academia, except perhaps to generate an occasional reference image to validate the correctness of other faster but less general rendering algorithms. The last ten years have seen a dramatic shift in this balance, and path tracing techniques are now widely used. This shift was partially fueled by steadily increasing computational power and memory, but also by significant improvements in sampling, rendering, and denoising techniques. In this survey, we provide an overview of path tracing and highlight important milestones in its development that have led to it becoming the preferred movie rendering technique today.
DOI：
10.1145/2601097.2601203
发表时间：
2014-07
期刊：
ACM Transactions on Graphics (TOG)
影响因子：
--
作者：
J. Vorba;Ondrej Karlik;M. Šik;Tobias Ritschel;Jaroslav Křivánek
通讯作者：
J. Vorba;Ondrej Karlik;M. Šik;Tobias Ritschel;Jaroslav Křivánek
影响因子：
2.5
作者：
T.-W. Schmidt;F. Pellacini;D. Nowrouzezahrai;W. Jarosz;C. Dachsbacher
通讯作者：
C. Dachsbacher