4D cone beam CT using deformable registration

US9047701B2 · kind B2 · utility

Assignees

• VARIAN MEDICAL SYSTEMS, INC. · US
• VARIAN MEDICAL SYSTEMS INTERNATIONAL AG · CH
• FRIEDRICH-ALEXANDER-UNIVERSITÄT ERLANGEN-NÜRNBERG · DE

Inventors

• Marcus Brehm · Erlangen, DE
• Timo Berkus · Ennetbaden, CH
• Markus Oelhafen · Rohr, CH
• Patrik Kunz · Baden, CH
• Marc Kachelriess · Nuremberg, DE
• Corey Zankowski · San Jose, US

Key dates

• Filing date: Mar 31, 2012
• Grant date: Jun 2, 2015
• Expiry date: Apr 27, 2033

Classification

• Technology area (CPC G): Physics
• CPC primary: G06T2211/412
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A method of obtaining a volumetric image includes obtaining a plurality of volumetric images, the volumetric images generated using respective sets of projection images, wherein the volumetric images and the respective sets of projection images correspond with different respective bins for a physiological cycle, and determining an additional volumetric image using one or more of the projection images from each of the sets that correspond with the different respective bins for the physiological cycle, wherein the act of determining the additional volumetric image is performed using a processor.