基于变分推断的磁共振图像群组配准

周勤,王远军

Groupwise Registration for Magnetic Resonance Image Based on Variational Inference

Qin ZHOU,Yuan-jun WANG

表2 使用本文方法对包含不同强度噪声的LPBA40测试集进行配准的多指标分析

Table 2 Groupwise registration results of multiple metrics on LPBA40 testing set with different noise intensities using the proposed method

噪声方差（均值为0） Avg. Dice* GPU运行时间/s* Percentages (%) of ${(\det ({J_\phi }(p)) \leqslant 0)^*}$ EM1 EM2 0.001 0.686 (0.026) 0.50 (0.02) 48.8 (21) 1330.97 89.54 0.002 0.683 (0.030) 0.60 (0.04) 49.3 (27) 1360.67 100.29 0.003 0.646 (0.031) 0.58 (0.02) 51.7 (19) 1469.46 99.08 0.004 0.656 (0.020) 0.62 (0.03) 54.5 (28) 1480.89 113.07