the image processor 106 that includes reconstructing acquired mr image data referring to fig2 in one embodiment a transmit receive coil array assembly 300 for use in the embodiment of the invention comprises a plurality of radio frequency rf coils 210 configured for transmitting in parallel during transmission mode and a plurality of rf amplifiers 220 coupled to the corresponding rf coils adapted to generate a controlled current in each of the rf coils and wherein the controlled current being used for defining and steering a region of interest 230 of the subject 200 within the system in fig2 the placement of the coils is substantially linear referring to fig3 an alternative embodiment is shown in which rf coils 210 are arranged in an equally distributed pattern about the subject 200 such as a circle hereinafter the embodiments of the invention will be further described in details in conjunction with the drawings fig4 is a flow chart showing the operations of the apparatus in accordance with one embodiment of the invention as shown in fig4 the apparatus of the embodiment of the invention is used to generate the localized heating based on the magnetic resonance imaging mri after the operation is started in step 402 a spatially localized or shaped electromagnetic field is transmitted to the subject 200 and magnetic resonance mr signals are generated through a plurality of coils specifically the pulse generator module 121 produces the rf pulse waveforms and applies the rf pulse waveforms to the rf amplifier system 151 comprised of multiple amplifiers which control the current in each component coil of the coil system 152 which comprises.