US Patent Issued to DAYE SPECIAL STEEL Co. on March 25 for "Machine vision-based automatic identification and rating method and system for low-magnification acid etching defect" (Chinese Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,260,547, issued on March 25, was assigned to DAYE SPECIAL STEEL Co. LTD. (Hubei, China).

"Machine vision-based automatic identification and rating method and system for low-magnification acid etching defect" was invented by Zhicheng Zhang (Huangshi, China), Jin Ke (Huangshi, China), Wei Fang (Huangshi, China), Shaoyang Zhang (Huangshi, China) and Changyuan Zhang (Huangshi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A machine vision-based automatic identification and rating method and system for a low-magnification acid etching defect. The method is used for automatically identifying and rating a defect of a low-magnification aid etching sampl...