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CALCULATION OF A B0 IMAGE USING MULTIPLE DIFFUSION WEIGHTED MR IMAGES
CALCULATION OF A B0 IMAGE USING MULTIPLE DIFFUSION WEIGHTED MR IMAGES
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机译:使用多个扩散加权MR图像计算B0图像
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摘要
The invention provides for a medical imaging system (100, 300). The execution of the machine executable instructions (110) causes a processor (102) to: receive (200) multiple diffusion weighted images (112) of a subject (318), wherein the multiple diffusion weighted images each have an assigned b-value, wherein the multiple diffusion weighted images each have an assigned diffusion weighting direction, wherein for a region of interest (309) there is at least one corresponding voxel (506) in each of the multiple diffusion weighted images; construct (202) a set of equations (114) for each of the at least one corresponding voxel, wherein the set of equations is constructed from an apparent diffusion equation for the assigned diffusion weighting direction of each of the multiple diffusion weighted images; solve (204) the set of equations for each voxel for the bo value as an optimization; and construct (206) a bo image using the bo value for each voxel.
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