ANPR Camera Selection and Site Design Guide
Plate size, shutter, angle, lighting and vehicle speed considerations for license plate recognition.
Direct answer
Choose an ANPR camera by the required plate image at the capture point. Confirm horizontal and vertical angle, vehicle speed, shutter and illumination with day and night samples before fixing the camera position.
Start with the plate image
A wide overview can have high resolution but too few pixels on the plate. Lens and mounting distance should be designed around the recognition region.
Validate difficult conditions
Run samples for headlights, rain, shadow, motorcycles and different vehicle paths.
- Plate angle and pixel size
- Motion blur and shutter
- Night IR reflection
- Camera vibration
Frequently asked questions
Is a higher megapixel camera always better?
No. Lens choice, plate pixel density, shutter and light often matter more than the headline resolution.
Can one camera cover several directions?
Sometimes, but each path must produce a suitable plate view. Multiple cameras may be more reliable for wide or conflicting paths.