ALEXANDRIA, Va., June 16 -- United States Patent no. 12,657,906, issued on June 16, was assigned to TSINGHUA UNIVERSITY (Beijing).
"Surface water monitoring method and apparatus, computer device, and storage medium" was invented by Di Long (Beijing) and Luo-Qi Li (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "What disclosed are a surface water monitoring method and apparatus, a computer device, and a storage medium. The method includes: obtaining optical satellite images and synthetic aperture radar satellite images of an area to be monitored in a preset time period; determining a first target region in each optical satellite image, determining a water body type of a pixel in a second target region ...