Setting up and configuration of the License Plate Recognition (LPR) credential functionality between Avigilon Alta Access and Alta Aware Video

Avigilon Alta Configuration

Entry Configuration

1. Edit the Entry

   1. Go to Sites > Entries and select the relevant entry.

   2. Navigate to the Additional Controls section.

   3. Add the License Plate Recognition control method.

2. Save Webhook URL

   1. After adding the LICENSE PLATE RECOGNITION item to the entry, note the Entry webhook URL. This URL will be used later on the Aware side of the configuration.

User Credential Configuration

1. Select User

   1. From Users select the user to add an LPR credential.

   2. Click on the Credentials tab.

2. Assign License Plate

   1. From the Credentials drop-down, select License Plate.

   2. Enter the alphanumeric value of the license plate.

   3. Click Save.

LPR Setup Considerations

1. Camera Placement:

   • For optimal license plate recognition (LPR) performance, refer to the guidelines on ideal camera placement. Proper positioning is crucial for capturing clear images of license plates.

2. Camera Configuration:

   • Follow the basic instructions provided here for enabling LPR on Aware cameras. Proper configuration ensures that the camera accurately recognizes and processes license plates.

3. Vehicle Visibility:

   • Adequate lighting is essential for effective LPR, especially in low-light conditions or at night. Ensure the vehicle gate area is well-lit so the camera can capture the vehicle and its license plate.

Alta Aware Video Configuration

1. Create a New Rule

   1. Navigate to Rules > Security.

   2. Click on Add a new Rule in the top right corner.

2. Name and Detection

   1. Give your new rule a name.

   2. Set the detection to Appearance.

   3. Select the Level of importance.

   4. Click Next

3. Click What

   1. Set Any Object to Vehicle.

   2. Toggle License Plate.

4. Click WHERE

   1. Select the camera that will be used. Ensure the camera displays the "LPR" icon, indicating it supports License Plate Recognition.

5. Click WHEN

   1. Set Date & Time to Always.

6. Click Actions

   1. Click the wheel icon next to Webhooks.

      1. In the bottom left corner, click the + button to add a new webhook.

      2. Name the webhook to indicate the associated Entry.

7. Webhook Settings

   1. URL: Paste the Entry webhook URL obtained from your Alta Access entry setup.

   2. Sending Method: From Cloud.

   3. Method: HTTP POST.

   4. Authentication: None.

   5. Payload Type: JSON. In the Payload field, enter the following text exactly:

      1. {"licensePlate": "$licensePlate"}

8. Finalize the Configuration

   1. Click Done to save the webhook.

   2. After saving, select the newly created webhook from the dropdown menu.

   3. Click Done again to complete the rule setup.

9. Rule now listed