ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,988, issued on June 17, was assigned to TIANJIN CHENGJIAN UNIVERSITY (Tianjin, China) and XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY (Xi'An, China).

"Control system and control method of refrigeration environment in closed space based on computer vision" was invented by Bin Yang (Tianjin, China), Xiaojing Li (Tianjin, China), Huangcheng Yao (Tianjin, China), Yihang Liu (Tianjin, China) and Lingge Chen (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control system and a control method of refrigeration in a closed space based on computer vision are provided. An image of a food, temperature and humidity information in the closed s...