Table 2 Object groups and their scaling and tiling parameters for input images used during data set creation.

From: Inspection of railway catenary systems using machine learning with domain knowledge integration

Group name

Classes

Tile size

Overlap

Scale

Basic elements

All except insulator and electrical component

1216

35%

0.35

Small elements

Insulator, electrical component

1216

25%

1.0

All elements

All classes

1216

35%

0.35