Distortion-Corrected Diffusion MRI Using Rotated-View EPI and Joint Field-Map/Image Estimation with Gaussian Primitives
使用旋转视图EPI和高斯原型的联合场图/图像估计的畸变校正扩散MRI
机构 * Chair for AI in Healthcare and Medicine, Technical University of Munich (TUM) and TUM University Hospital, and the School of Computation, Information and Technology, TUM(慕尼黑工业大学(TUM)医疗与医学人工智能教席、TUM大学医院、计算信息与技术学院) ; Neuroimaging Technology Research Center, Department of Radiology and Biomedical Imaging, University of California, San Francisco(加州大学旧金山分校放射与生物医学影像系神经影像技术研究中心) ; Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences(中国科学院精密测量科学与技术创新研究院) ; Department of Radiology, Stanford University(斯坦福大学放射学系) ; Munich Center for Machine Learning (MCML)(慕尼黑机器学习中心(MCML)) ; Department of Computing, Imperial College London(伦敦帝国理工学院计算系)
AI总结 提出一种物理信息框架,直接从k空间联合估计B0场和无畸变图像,避免中间并行成像重建,通过高斯原型的连续参数化表示图像和场,支持旋转视图EPI,在高b值和高加速下显著改善畸变校正质量。