ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,867, issued on May 19, was assigned to Siemens Healthcare Diagnostics Inc. (Tarrytown, N.Y.).
"Calibration target, fourier ptychographic imaging system and method for calibrating a fourier ptychographic imaging system" was invented by Thomas Engel (Aalen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a calibration target for a Fourier ptychographic imaging system, comprising at least a first plane and a second plane, wherein the first plane and the second plane are parallel to each other and comprise a predefined distance between each other, wherein the first plane comprises a first calibration structure and the seco...