Table 2. Results of grid search for the combinations of beta1 and L1_weight in the model validation datasets.

DSC of model trained on 20 epochs	Beta1 = 0.1	Beta1 = 0.5	Beta1 = 0.9
L1_weight = 10	0.008	0.614	0.513
L1_weight = 100	0.651	0.625	0.62
L1_weight = 1000	0.704	0.707	0.702

DSC: dice similarity coefficient.