Examining the effects of SPP in Monte Carlo Path Tracing : Using a Multithreaded Forward Path Tracer in C++ and OpenMP

University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

Author: Tim Wayburn; [2018]

Keywords: graphics; rendering; spp; path tracing; monte carlo;

Abstract: This paper involves implementing a forward path tracer in C++ using OpenMP in order to examine the effects of Samples per Pixel (SPP) on output images given in different environments. Output images of scenes with different amounts of lighting are rendered in different resolutions. These renders are timed and output images are saved to files. Looking at these results, varying the SPP-value results in drastic changes in render time and image quality. Such performance differences ultimately affect the possibilities for the developed path tracer and its applications.

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