Gastric Pathology Image Classification Using Stepwise Fine-Tuning for Deep Neural Networks

Table 1

Datasets used in experiments.

Data type	Category	Training	Validation	Test
Tissue-wise data	Background	15,000	1,000	—
	Epithelium	15,000	1,000	—
	Stroma	15,000	1,000	—
Cell-wise (nuclei) data	Cluster 1	6,905	767	—
	Cluster 2	5,811	646	—
Well-augmented data	Small	540 + 540	1620 + 1620	2,700 + 2,700
	Large	5400 + 5400