Infrared
Low cost
Limited accuracy
No behavioral insights
2D Cameras
Cost-effective
Sensitive to lighting and angles
Reduced accuracy in crowded environments
Radar
Works in all lighting conditions
Limited behavioral insights
CCTV + AI
Uses existing infrastructure
Can be powerful but difficult to standardize across stores
3D Sensors
High accuracy
Stable performance
Enables behavioral analytics
👉 This is why many international retail chains rely on 3D-based systems.
