ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,412,250, issued on Sept. 9, was assigned to NVIDIA Corp. (Santa Clara, Calif.).
"Rendering along a space-filling curve" was invented by Alexander Georg Keller (Berlin), Carsten Alexander Waechter (Berlin) and Nikolaus Binder (Berlin).
According to the abstract* released by the U.S. Patent & Trademark Office: "In photorealistic image synthesis by light transport simulation, the colors of each pixel are an integral of a high-dimensional function. However, the functions to integrate contain discontinuities that cannot be predicted efficiently. In practice, the pixel colors are estimated by using Monte Carlo and quasi-Monte Carlo methods to sample light transport paths that connect ligh...