Table 2 Number of pictures of Tomicus.

From: A new method for Tomicus classification of forest pests based on improved ResNet50 algorithm

Class

Class_Name

Before data preprocessing

After data preprocessing

1

T.yunnanensis

1232

1598

2

T.minor

1225

1593

3

T.brevipilosus

1217

1589

4

T.armandii

1060

1591