Table 1.

Metric evaluation of background segmentation performance by methods shown in Fig. 10, the median value of MSE and SSIM per image are presented as standard metrics and mean and medians of Betti numbers in zero and one dimension are used to complement the analysis.

Method	MSE Medians	SSIM Medians	B0 Means	B0 SD	B1 Means	B1 SD
Otsu	0.00714	0.99927	698	1608.44	1006	2513.8
Gaussean	0.00714	0.99998	737	1843.82	853	2921.6
TRBE	0.00602	0.99996	3	24.82	6	59.29