ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,541,970, issued on Feb. 3, was assigned to VERITY AG (Zurich, Switzerland).

"System and method for estimating the pose of a localizing apparatus using reflective landmarks and other features" was invented by Markus Hehn (Zurich, Switzerland) and Lino Widmer (Zurich, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for determining a state xk of a localizing apparatus at a time t. the state xk being a realization of a state random variable xk. The position and orientation of a camera, e.g., mounted on a drone as an example of a localizing apparatus, may be used for determining a state of the localizing apparatus,...