ALEXANDRIA, Va., July 14 -- United States Patent no. 12,682,661, issued on July 14, was assigned to NVIDIA Corp. (Santa Clara, Calif.).

"Sensor calibration using fiducial markers for in-cabin monitoring systems and applications" was invented by Yuzhuo Ren (Sunnyvale, Calif.), Hairong Jiang (Campbell, Calif.), Niranjan Avadhanam (Saratoga, Calif.) and Varsha Chandrashekhar Hedau (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In various examples, sensor parameter calibration techniques for in-cabin monitoring systems and applications are presented. An occupant monitoring system (OMS) is an example of a system that may be used within a vehicle or machine cabin to perform real-time assessments...