Computer-implemented method for providing an actuation sequence and method for acquiring measurement data by a magnetic resonance device

US11428767B2 · kind B2 · utility

Assignee

• Siemens Healthcare Limited · DE

Inventors

• Rene Gumbrecht · Herzogenaurach, DE
• Jürgen Herrler · Erlangen, DE
• Patrick Liebig · Erlangen, DE
• Armin Nagel · Böbingen an der Rems, DE

Key dates

• Filing date: Oct 12, 2020
• Grant date: Aug 30, 2022
• Expiry date: Oct 12, 2040

Classification

• Technology area (CPC G): Physics
• CPC primary: G01R33/5612
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A computer-implemented method is disclosed for providing an actuation sequence which specifies transmit signals for at least one high-frequency transmit channel of an antenna arrangement of a magnetic resonance device for acquiring measurement data of an object under investigation by the magnetic resonance device. The method includes providing different actuation sequences, wherein each sequence is the result of an optimization method and which differs with regard to the value of an optimization parameter taken into account in the course of the optimization method. The method further includes providing a plurality of field distribution maps, (e.g., at least one B0 map and/or at least one B1 map), acquired by the or a further magnetic resonance device from the object under investigation. The method further includes selecting the actuation sequence to be used from the different actuation sequences depending on the field distribution maps and providing the actuation sequence to be used.