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Chapter 1: Product Introduction
Recommended Installation Guideline For
License Plate Capture
The ANPR/LPR camera series are specially designed to capture high-quality
images of vehicle license plates. They are able to overcome varied light
conditions and capture license plates clearly without overexposure. They
are ideal for monitoring parking lots and public areas (city surveillance),
and for controlling vehicle access in vehicle identification and license plate
recognition applications.
The following recommended installation guideline would be helpful to
attain an optimized image result.
Angle
The maximum mounting angle of an ANPR/LPR camera to a vehicle is 40
degrees for both horizontal and vertical views.
Vertical angle
≤ 40°
Figure 1. Recommended Vertical and Horizontal Mounting Angles
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≤ 40°
Horizontal angle
License Plate Capture Distance and
Vehicle Speed
Each model in the ANPR/LPR camera series has a recommended license
plate capture distance and the relative vehicle speed as shown in the table
below.
License Plate
Range
Capture Distance
Short Range
6m~10m (20ft ~ 33ft)
Mid Range
10m~20m (33ft ~ 66ft)
Note:
If the actual installation distance is over 20m (66ft), please
consider to add an external IR illuminator as an auxiliary tool
to enhance IR light.
9
Vehicle Speed
50km/h (31mph) max.
100km/h (62mph) max.
NCr-661-VHA and NCr-662-VHA User Manual
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