Zero Variance Importance Sampling Driven Potential Tracing Algorithm for Global Illumination
نویسندگان
چکیده
منابع مشابه
Cost-Driven Multiple Importance Sampling for Monte-Carlo Rendering
The global illumination or transport problems can also be considered as a sequence of integrals, while its MonteCarlo solutions as different sampling techniques. Multiple importance sampling takes advantage of different sampling strategies and combines the results obtained with them. In this paper we propose the combination of very different global illumination algorithms in a way that their st...
متن کاملMathematical Models and Monte Carlo Algorithms for Physically Based Rendering
Algorithms for image synthesis render photo-realistic imagery, given the description of a scene. Physically based rendering specifically stresses the physical correctness of the algorithms and their results. The algorithms perform an accurate simulation of the behaviour of light, in order to faithfully render global illumination effects such as soft shadows, glossy reflections and indirect illu...
متن کاملImportance Driven Path Tracing using the Photon Map
This paper presents a new importance sampling strategy for Monte Carlo ray tracing in which a rough estimate of the irradiance based on the photon map is combined with the local re ection model to construct more e cient probability density functions that can be used in an importance sampling scheme The algorithm gives unbiased results handles arbitrary re ection models and it is particularly e ...
متن کاملImportance Driven Path
This paper presents a new importance sampling strategy for Monte Carlo ray tracing in which a rough estimate of the irradiance based on the photon map is combined with the local reeection model to construct more eecient probability density functions that can be used in an importance sampling scheme. The algorithm gives unbiased results, handles arbitrary reeection models and it is particularly ...
متن کاملA Survey of Radiosity and Ray-tracing Methods in Global Illumination
This paper surveys Radiosity and Ray-tracing methods used in global illumination. Global illumination is based on light transport mechanism in real world. The light transport mechanism can be expressed in terms of BRDF of each element, and the most common and practical way is dividing the BRDF into specular and diffuse component. Mathematically Global illumination is a problem of solving numeri...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2001