ALEXANDRIA, Va., March 24 -- United States Patent no. 12,586,302, issued on March 24, was assigned to Tencent Technology (Shenzhen) Co. Ltd. (Shenzhen, China).
"Rendering hair" was invented by Xiaoyu Pan (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a method, a longitudinal angle, an azimuthal angle, illumination information, and color information of a pixel in a hair area of a virtual image corresponding to each optical path of a virtual main light source are obtained. For each optical path of the virtual main light source, a respective longitudinal scattering amount is determined based on the longitudinal angle and the illumination information of the pixel, a respective azimuthal scatt...