基于神经网络拟合的腹部化学交换饱和转移成像
王志超1,张记磊2,赵羽3,华婷4,汤光宇4,李建奇1,*(
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CEST Imaging of the Abdomen with Neural Network Fitting
Zhi-chao WANG1,Ji-lei ZHANG2,Yu ZHAO3,Ting HUA4,Guang-yu TANG4,Jian-qi LI1,*()
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图4. 基于神经网络预测方法得到的CEST不同成像对比度.(a)矫正后Z谱（红色实线）及进行神经网络预测得到的背景参考Z谱（蓝紫色虚线），绿色与黄色箭头分别指向APT信号与NOE信号提取点；(b) APT图；(c) NOE图；(d) MTRasym图；(e) APT反差商图；(f) NOE反差商图
Fig.4. The CEST results of a healthy volunteer obtained by the method based on neural network. (a) The corrected Z-spectrum (red solid curve) and background reference Z-spectrum (bluish violet dashed line), where the green arrow and yellow arrow indicate the positions APT and NOE, respectively; (b) APT map; (c) NOE map; (d) MTRasym map; (e) APTREX map; (f) NOEREX map
