Research Article

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

Table 7

An example of precision for two-stage screening ().

Objects1st screening2nd screeningTotal PT
Detection resultP1Classification resultP2

KnivesMetal detection75%Knives76.5%94.1%
GunsGuns81.0%95.3%
SmartphonesSmartphones66.7%91.7%
NonpossessionNo metal75%Nonpossession100.0%100.0%
Average75%81.1%95.3%