US Patent Issued to NVIDIA on March 18 for "Techniques for rendering signed distance functions" (Swedish, British Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,556, issued on March 18, was assigned to NVIDIA Corp. (Santa Clara, Calif.).

"Techniques for rendering signed distance functions" was invented by Herman Hansson Soederlund (Karlskrona, Sweden), Alex Evans (London) and Tomas Akenine-Moller (Lund, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "One embodiment of a method for rendering one or more graphics images includes tracing one or more rays through a graphics scene; computing one or more surface normals associated with intersections of the one or more rays with one or more surfaces, where computing each surface normal includes: computing a plurality of intermediate surface normals associat...