Table 4.

The effect of data augmentation on slide-level tasks using the K-means negative sampling strategy, 256 as the tile stride, and EfficientNet-B0 architecture.

Random crop	Stain norm	Color jitter	Affi-ne trs	Dice (% over-lap)	Error in $\sqrt{d_1{d}_2}$	Cfs. mtx
				63	3.63	$\left(\begin{array}{cc}4& 4\\ 0& 12\end{array}\right)$
✓	✓			70	2.01	$\left(\begin{array}{cc}4& 4\\ 0& 12\end{array}\right)$
✓		✓		73	1.67	$\left(\begin{array}{cc}5& 3\\ 0& 12\end{array}\right)$
✓			✓	67	1.56	$\left(\begin{array}{cc}4& 4\\ 1& 11\end{array}\right)$
✓	✓	✓	✓	75	1.63	$\left(\begin{array}{cc}6& 2\\ 0& 12\end{array}\right)$