Table 4.

Dice score comparison of U-Net trained on single modality “Train”, “Train+Augmentation” and “Train + Pix2pix augmentation”. The best mean dice scores are highlighted bold

Modality		Whole	Core	en	Mean
flair	without augmentation	0.754	0.513	0.286	0.518
	with pix2pix augmentation	0.745	0.527	0.214	0.495
	with TumorGAN augmentation	0.765	0.522	0.289	0.525
t2	without augmentation	0.743	0.577	0.335	0.552
	with pix2pix augmentation	0.729	0.593	0.220	0.514
	with TumorGAN augmentation	0.750	0.572	0.321	0.548
t1	without augmentation	0.628	0.422	0.199	0.416
	with pix2pix augmentation	0.635	0.489	0.106	0.410
	with TumorGAN augmentation	0.628	0.467	0.235	0.443
t1ce	without augmentation	0.597	0.534	0.570	0.567
	with pix2pix augmentation	0.659	0.673	0.545	0.626
	with TumorGAN augmentation	0.671	0.681	0.589	0.647