Detecting Unauthorized Movement of Radioactive Material Packages in Transport with an Adam-Optimized BP Neural Network Model

Table 2

Data distribution.

Regions	Number of samples	Percentage (%)
The interior of the truck	2412	23.9
The left side of the truck	2507	24.7
The rear of the truck	2928	29.0
The right side of the truck	2266	22.4