US Patent Issued to Chongqing Jiaotong University on Sept. 8 for "Infrared vision positioning method for concrete pumping liquid level in tube of steel tubular arch bridge" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,995, issued on Sept. 8, was assigned to Chongqing Jiaotong University (Chongqing, China).

"Infrared vision positioning method for concrete pumping liquid level in tube of steel tubular arch bridge" was invented by Chongsheng Cheng (Chongqing, China), Jie Yu (Chongqing, China), Jianting Zhou (Chongqing, China), Haonan Cai (Chongqing, China), Shaorui Wang (Chongqing, China), Bo Huang (Chongqing, China) and Ligui Yang (Chongqing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An infrared vision positioning method for concrete pumping liquid level in tube of steel tubular arch bridge is provided. In this method, the perspective geometry algorithm ...