Method and system for optimizing radio frequency heating of implanted medical device in MRI (Magnetic Resonance Imaging)

The invention relates to the technical field of magnetic resonance imaging, and particularly discloses a method and system for optimizing radio frequency heating of an implanted medical device in MRI, and the optimization method comprises the following steps: obtaining a transfer function h (l) of the implanted medical device in a specific radio frequency magnetic field; acquiring a tangential incident electric field Etan (l) of the human tissue along the path of the implanted medical device under each radio-frequency signal channel; acquiring B1 + magnetic field intensity of an interested imaging area of the human tissue under each radio frequency signal channel; establishing optimization conditions and targets; and solving an optimal emission vector v meeting the conditions from the established optimization conditions and targets through a convex optimization algorithm so as to set the optimized radio frequency coil. According to the optimization method and system provided by the invention, the emission vec