ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,462,427, issued on Nov. 4, was assigned to GOOGLE LLC (Mountain View, Calif.).
"Accurate camera-display calibration for telepresence videoconferencing" was invented by John D. Perreault (Mountain View, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques of calibrating telepresence videoconferencing displays and cameras include providing 6 DoF camera locations and orientation vectors in display reference frame based on a plurality of images that indicate specified mirror-plane points of a mirror and specified reflected display plane points. In some implementations, the specified mirror-plane points are located at fiducial markers printed on t...