ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,387,743, issued on Aug. 12, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).
"Abnormality estimation device, abnormality estimation method, and program" was invented by Yuma Koizumi (Tokyo), Shoichiro Saito (Tokyo) and Noboru Harada (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an abnormality estimation device capable of appropriately determining normal data appearing less frequently as normal. The abnormality estimation device includes an estimation unit that estimates an anomaly degree of an acoustic signal, by using an abnormality estimation model that is optimized while using a set of normal sounds and is optimized s...