ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,394,143, issued on Aug. 19, was assigned to Intel Corp. (Santa Clara, Calif.).

"Temporal gradients of higher order effects to guide temporal accumulation" was invented by Anton Kaplanyan (Mercer Island, Wash.) and Tobias Zirr (Karlsruhe, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A graphics processor is provided that includes circuitry configured to generate auxiliary motion vectors for higher-order light-based effects such as shadows, objects reflecting in mirrors, waves in water or other liquids, glossy surfaces, or objects visible through transparent and/or refractive glass. The circuitry is configured to apply light path constraints to s...