ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,670, issued on March 18, was assigned to Infineon Technologies AG (Neubiberg, Germany).

"Radar-based activity classification" was invented by Souvik Hazra (Munich) and Avik Santra (Munich).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an embodiment, a method includes: receiving raw data from a millimeter-wave radar sensor; generating a first radar-Doppler image based on the raw data; generating a first radar point cloud based on the first radar-Doppler image; using a graph encoder to generate a first graph representation vector indicative of one or more relationships between two or more parts of the target based on the first radar point cloud; g...