基于虚拟线圈和GRAPPA增强网络的PMRI方法

高照耀, 张展, 胡亮亮, 许光宇, 周胜, 胡雨欣, 林子捷, 周超

PMRI Image Reconstruction Method Based on Virtual Coils and GRAPPA-enhanced Network

GAO Zhaoyao, ZHANG Zhan, HU Liangliang, XU Guangyu, ZHOU Sheng, HU Yuxin, LIN Zijie, ZHOU Chao

表2 消融实验对比结果

Table 2 Ablation experiment comparison results

ACS R 残差结构 虚拟共轭 线圈生成 迭代训练方法 NRMSE SSIM PSNR 10 2 × × × 0.0032 0.9847 42.8324 √ × × 0.0031 0.9850 42.8832 √ √ × 0.0024 0.9855 43.9197 √ √ √ 0.0020 0.9797 44.7016 10 5 × × × 0.1985 0.7845 24.9643 √ × × 0.1857 0.7850 25.0925 √ √ × 0.1684 0.7834 25.5169 √ √ √ 0.0136 0.9512 36.4516 16 4 × × × 0.1456 0.9185 26.1477 √ × × 0.0962 0.9460 27.9456 √ √ × 0.0202 0.9693 34.7181 √ √ √ 0.0084 0.9489 38.5150 24 8 × × × 0.2910 0.7816 23.1409 √ × × 0.2798 0.7844 23.3122 √ √ × 0.2347 0.7927 24.0741 √ √ √ 0.0349 0.9246 32.3490 30 10 × × × 0.4402 0.6674 21.3433 √ × × 0.2402 0.7993 23.9745 √ √ × 0.2131 0.7791 24.4926 √ √ √ 0.1285 0.9233 26.6901