US Patent Issued to NVIDIA on July 15 for "Using importance resampling to reduce the memory incoherence of light sampling" (Washington, Utah, North Carolina, California Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,361,633, issued on July 15, was assigned to NVIDIA Corp. (Santa Clara, Calif.).

"Using importance resampling to reduce the memory incoherence of light sampling" was invented by Christopher Ryan Wyman (Redmond, Wash.), Robert Anthony Alfieri (Chapel Hill, N.C.), William Parsons Newhall Jr. (Woodside, Calif.) and Peter Schuyler Shirley (Salt Lake City).

According to the abstract* released by the U.S. Patent & Trademark Office: "Devices, systems, and techniques to incorporate lighting effects into computer-generated graphics. In at least one embodiment, a virtual scene comprising a plurality of lights is rendered by randomly sampling a set of lights from among the plurality of lights pr...