Table 1.

Predictive performance of the CNN for predicting Ktrans in BM small animal models.

Metric	Animal 1	Animal 2	Animal 3	Animal 4	Animal 5	Ensemble
RMSE	5.70 × 10−4	5.39 × 10−4	7.73 × 10−4	6.50 × 10−4	6.82 × 10−4
nRMSE	0.754	0.938	1.21	0.639	0.508	RMSE	6.54 × 10−4
MAE	3.83 × 10−4	3.79 × 10−4	5.20 × 10−4	5.03 × 10−4	4.89 × 10−4
nMAE	0.507	0.659	0.814	0.495	0.364	nRMSE	0.638
Metric	Animal 6	Animal 7	Animal 8	Animal 9	Animal 10
RMSE	6.44 × 10−4	5.46 × 10−4	6.88 × 10−4	1.74 × 10−3	6.65 × 10−4	MAE	4.50 × 10−4
nRMSE	0.485	0.457	0.880	2.46	0.595
MAE	4.52 × 10−4	3.95 × 10−4	4.42 × 10−4	1.48 × 10−3	5.07 × 10−4	nMAE	0.439
nMAE	0.340	0.331	0.566	2.09	0.453