US Patent Issued to Carl Zeiss Industrielle Messtechnik on Feb. 17 for "Optical measurement of workpiece surface using sharpness maps" (German Inventor)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,221, issued on Feb. 17, was assigned to Carl Zeiss Industrielle Messtechnik GmbH (Oberkochen, Germany).

"Optical measurement of workpiece surface using sharpness maps" was invented by Michael Baum (Ulm, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes capturing images of a surface of a workpiece using an optical sensor. Each image respectively images a region of the surface. Each image is assigned a defined 6-DOF pose of the optical sensor relative to the workpiece and a defined focal plane position of the optical sensor. The captured images form an image stack. The method includes determining a sharpness value for each pictu...