Setting Up License Plate Recognition
1. In the server Setup tab, click
.
The License Plate Recognition dialog box is displayed.
2. Select a lane from the License Plate Lane list.
The number of lanes listed is determined by the number of License Plate Recognition (LPR) channels that
are available on the server.
3. Complete the following fields:
l
Name:
enter a name for the lane.
l
Camera:
select the camera that will perform LPR. One camera can be used for multiple lanes.
l
License Plate Configuration:
select the regional license plate format that needs to be recognized
by the camera.
l
Pre-Event Record Time:
enter the amount of time that video is recorded before the license plate
is recognized.
l
Post-Event Record Time:
enter the amount of time that video is recorded after the license plate is
recognized.
l
Minimum Confidence:
move the slider to set the minimum confidence required for a detected
license plate to be recognized. The default value is 80%.
l
Enable this lane:
select this check box to enable LPR on this lane.
4. Move and adjust the green overlay until it spans the width of the traffic lane in the camera's field of view.
LPR is only performed in the green area.
NOTE:
If the overlay is red, the license plate detection area is too large and cannot be used.
5. Click
OK
.
Configuring the Watch List
The License Plate Recognition (LPR) Watch List identifies license plates that are of special interest. When a
license plate on the Watch List is detected, an event is generated to notify you of the license plate and can be
used to trigger an action in the Rules engine.
You can manually add each license plate that needs to be recognized, or import a list of license plates into the
Client.
Adding Licenses to the Watch List
1. In the server Setup tab, click
.
The License Plate Recognition dialog box is displayed.
2. Select the
Watch List
tab.
3. Click
. The Add License Plate dialog box is displayed.
Setting Up License Plate Recognition
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