The motion in chemical exchange saturation transfer (CEST) image was overlooked in many published studies. Fortunately, several works have been reported to do motion correction for CEST processing. However, the performance of these methods has not been evaluated. The main purpose of this study is to compare the performance of these methods on motion correction for CEST imaging. We used NMSE, MCC, and UI to evaluate the performance of these methods. Our simulation and preliminary in-vivo data showed that the method of Reg2mean works the best.
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