AI-Based W-Band Suspicious Object Detection System for Moving Persons: Two-Stage Walkthrough Configuration and Recognition Optimization

Table 3

Recall and precision for the 2nd screening.

Objects	Recall	Precision
Knives	72.2%	76.5%
Guns	77.3%	81.0%
Smartphones	50.0%	66.7%
Nonprocessed objects	85.7%	100.0%