US Patent Issued to Orbbec on Aug. 5 for "Optical axis calibration method and apparatus of optical axis detection system, terminal, system, and medium" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,380,602, issued on Aug. 5, was assigned to Orbbec Inc. (Shenzhen, China).

"Optical axis calibration method and apparatus of optical axis detection system, terminal, system, and medium" was invented by Dejin Zheng (Shenzhen, China), Yanxu Duan (Shenzhen, China) and Wanduo Wu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for calibrating an optical axis includes: acquiring a first speckle image and a second speckle image captured respectively before and after a speckle emission device is rotated; extracting at least two first speckle points in the first speckle image and second speckle points in the second speckle image correspond...