Journal of Big Data

Table 4 Quantitative analyses according to different configurations

From: DFA-Net: Dual multi-scale feature aggregation network for vessel segmentation in X-ray digital subtraction angiography

Configuration				Metric
Original	Improved	Risk loss	Dice loss	IoU	Dice	accuracy	specificity	precision
✓		✓	✓	0.7883	0.8816	0.9842	0.9918	0.8849
	✓	✓	✓	0.7821	0.8778	0.9837	0.9916	0.8824
✓	✓		✓	0.7715	0.8710	0.9830	0.9923	0.8902
✓	✓			0.7502	0.8573	0.9790	0.9821	0.7903
✓	✓	✓		0.7723	0.8715	0.9824	0.9893	0.8565
✓	✓		✓	0.7843	0.8791	0.9838	0.9917	0.8834
✓	✓	✓		0.7668	0.8680	0.9812	0.9855	0.8206
✓	✓	✓	✓	0.8011	0.8896	0.9852	0.9924	0.8941

The best two results are marked in italic and bold \(\root 3 \of {}\) denotes that cross-entropy loss substitutes for risk cross-entropy loss, and \(\root 4 \of {}\) denotes that focal loss substitutes for Dice loss in the proposed model

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