ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,419,600, issued on Sept. 23, was assigned to KONINKLIJKE PHILIPS N.V. (Eindhoven, Netherlands).
"Subtraction imaging" was invented by Raoul Florent (Ville d'Avray, France), Claire Levrier (Rueil-Malmaison, France), Christian Haase (Hamburg, Germany) and Haithem Boussaid (Chatenay Malabry, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to subtraction imaging. In order provide further improved accuracy of masking images, a device (10) for digital subtraction imaging is provided comprising an image data input (12), a data processor (14) and an output interface (16). 3D image data (22) of a region of interest of an obje...