Direct Cellularity Estimation on Breast Cancer Histopathology Images Using Transfer Learning

Table 1

Parameter settings of the GBDT for cancerous patches.

Parameter	Huber	RankNet
Maximum tree depth	4	3
L1 regularization	0.001	0.001
L2 regularization	0	0
Feature fraction	0.6	0.6
Bagging fraction	0.7	0.8
Learning rate	0.01	0.01
Number of trees	1500	1000