ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,988, issued on Jan. 27, was assigned to PEKING UNIVERSITY (Beijing).

"Video transmission quality evaluation and optimization method and system based on user behavior" was invented by Zongming Guo (Haidian District Beijing, China), Han Hu (Haidian District Beijing, China), Xinggong Zhang (Haidian District Beijing, China) and Sheng Cheng (Haidian District Beijing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided in the present invention are a video transmission quality evaluation and optimization method and system based on user behavior. The method comprises: establishing an exit rate model according to a session duration of a user watchi...