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EFFICIENT MAPPING OF RECONSTRUCTION ALGORITHMS FOR MAGNETIC RESONANCE IMAGING ONTO A RECONFIGURABLE RECONSTRUCTION SYSTEM
EFFICIENT MAPPING OF RECONSTRUCTION ALGORITHMS FOR MAGNETIC RESONANCE IMAGING ONTO A RECONFIGURABLE RECONSTRUCTION SYSTEM
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机译：磁共振成像的重构算法到可重构重构系统的有效映射
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摘要
A magnetic resonance (MR) system (10) includes radiofrequency (RF) transmitters (34) which send RF pulses into an examination region (14) to excite a spin system to be imaged. Coil elements (20, 24, 28) pick up an MR signal, which is demodulated and converted into digital data by RF receivers (36). A plurality of independent parallel processing channels (421, 422, …, 42n) is operatively connected to the RF receivers to reconstruct images from the digital data. The parallel processing channels (421, 422, …, 42n) include one or more pipeline stages (541, 542, …, 54m). Processing channels and pipeline stages include a plurality of processing or reconstruction units (52). Processing tasks are dynamically allocated to these processing or reconstruction units on a per scan basis using a single general strategy for mapping processing tasks to hardware resources. The connections (56) between the processing or reconstruction units (52) are reconfigured using a switching means (60). In this manner, different numbers of coil elements (20, 24, 28) can be connected with matching numbers of processing channels (421, 422, …, 42n) to exploit available processing resources optimally.
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