ALEXANDRIA, Va., March 26 -- United States Patent no. 12,260,487, issued on March 25, was assigned to Imagination Technologies Ltd. (Kings Langley, Great Britain).
"Intersection testing in ray tracing systems with skipping of nodes in sub-trees of hierarchical acceleration structures" was invented by Gregory Clark (Hemel Hempstead, Great Britain) and Steven J. Clohset (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "Ray tracing systems and methods for generating a hierarchical acceleration structure for intersection testing. Nodes of the hierarchical acceleration structure are determined, each of the nodes representing a region in a scene, the nodes being linked to form the hierarchical accelera...