ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,023, issued on March 31, was assigned to Imagination Technologies Ltd. (Kings Langley, Great Britain).
"Intersection testing for ray tracing" was invented by Daniel Barnard (Berkhamsted, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for performing intersection testing of rays in a ray tracing system. The ray tracing system uses a hierarchical acceleration structure comprising a plurality of nodes, each identifying one or more elements for intersection testing. The system defines and updates progress information that identifies, for a ray, leaf nodes of the hierarchical acceleration structure which identify element...