Image-Based Conductivity and Permittivity Mapping with RF Receiver Arrays

Tissue electrical properties (TEP) can be calculated from RF-induced complex image intensity variation in standard MR images. Whereas conventional B1 map-based TEP mapping relies on a transmit/receive birdcage coil, the image-based method allows use of multichannel receiver arrays for higher SNR. Here we demonstrate the principle of image-based TEP mapping with a multi-channel receiver array with optimized phase weighting.

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