Feasibility Study of Radio Frequency Current Density Imaging with Only One Rotation

Radio frequency current density imaging (RF-CDI) is an imaging technique that measures current density distribution at the I.armor frequency utilizing magnetic resonance imaging (MRI). The previous implemented RF current reconstruction method is based on the single orientation condition that usually requires the applied current flowing mainly in the direction of the static magnetic field of the MR imager. However, this condition can be violated in biomedical applications. This paper proposes a new reconstruction method for RF-CDI, which does not rely on the single orientation assumption. Instead, the sample is rotated 180 degrees to collect MR data from two opposite orientations. Simulations and experiment are analyzed for the feasibility of the approach.