US Patent Issued to WUHAN UNIVERSITY on Nov. 4 for "RPC-based on-orbit geometric calibration method for spaceborne segmented linear-array camera" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,462,556, issued on Nov. 4, was assigned to WUHAN UNIVERSITY (Wuhan, China).

"RPC-based on-orbit geometric calibration method for spaceborne segmented linear-array camera" was invented by Yingdong Pi (Wuhan, China), Mi Wang (Wuhan, China) and Bo Yang (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A robust on-orbit geometric calibration (GC) method based on the rational polynomial coefficient (RPC) model for spaceborne segmented linear-array camera is proposed. Through a series of processing steps, including obtaining reliable ground control point (GCP) observations based a priori gross error elimination, constructing the adjustment model for...