ALEXANDRIA, Va., June 19 -- United States Patent no. 12,333,785, issued on June 17, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Learning data generation device, learning data generation method, and program" was invented by Dan Mikami (Tokyo), Mariko Isogawa (Tokyo), Hiroko Yabushita (Tokyo) and Yoshinori Kusachi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A learning data generation device for generating learning data for learning a recognizer capable of estimating a contour of a sphere making spinning motion, with high accuracy, the sphere being recorded in a single camera video image, is provided. The learning data generation device includes: a spinning rate estimation unit that...