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Abstract #1343

Is Perfect Filtering Enough Leading to Perfect Phase Correction?

Feihong Liu1,2, Junwei Yang2,3, Zhiming Cui2,4, Xiaowei He1,5, Jun Feng1,5, and Dinggang Shen2,6,7
1School of Information Science and Technology, Northwest University, Xi'an, China, 2School of Biomedical Engineering, ShanghaiTech University, Shanghai, China, 3Department of Computer Science and Technology, University of Cambridge, Cambridge, United Kingdom, 4Department of Computer Science, The University of Hong Kong, Hong Kong, China, 5State-Province Joint Engineering and Research Center of Advanced Networking and Intelligent Information Services, Xi'an, China, 6Shanghai United Imaging Intelligence Co., Ltd., Shanghai, China, 7Department of Artificial Intelligence, Korea University, Seoul, Korea, Republic of

We cautiously analyze phase correction procedures, unveiling why they falsely introduce dark holes to diffusion-weighted images, and calibrate them with the goal of unbiased white matter microstructure estimation. The calibrated procedures properly rotate image contents to be negative, hence, dark hole issue is effectively avoided.

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