Abstract #1343

Is Perfect Filtering Enough Leading to Perfect Phase Correction?

Feihong Liu^1,2, Junwei Yang^2,3, Zhiming Cui^2,4, Xiaowei He^1,5, Jun Feng^1,5, and Dinggang Shen^2,6,7

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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