Primary Investigation of Deep Learning Models for Japanese “Group Classification” of Whole-Slide Images of Gastric Endoscopic Biopsy

Table 2

Information of datasets.

	Group 1	Group 2	Group 3	Group 4	Group 5
Number of WSIs	166	84	45	68	58
Dataset 1 ()	45001	10274	17999	20845	41521
Dataset 2 ()	21430	4307	7584	8967	17834
Dataset 3 ()	10875	2291	4204	4931	9944
Dataset 4 ()	7243	1387	2652	3044	6318
Dataset 5 (mixed size)	39548	7985	14440	16942	34096

Tiles with various sizes (, , and ) were mixed to construct Dataset 5.