ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,511,751, issued on Dec. 30, was assigned to Kenvue Brands LLC (Summit, N.J.).

"Oral cavity examination method, oral cavity examination device and computer-readable storage medium" was invented by Fengxing Liu (Shanghai), Erping Yan (Shanghai) and Qingbin Wu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided in the present disclosure is an oral cavity examination method, including: acquiring an oral cavity image; performing median filtering and region segmentation operations on the image to obtain a first intermediate image; converting the first intermediate image from an RGB color space to an HSV color space to obtain a second intermediat...