An OpenALPR agent running on a next-generation Intel i5 CPU for desktop computers can process approximately 20 frames per second of video at a resolution of 720p.

In other words, an agent can handle three cameras for low speed vehicles, two cameras for medium speed vehicles and one camera for high speed vehicles.

The memory and disk requirements are relatively constant. Once OpenALPR is initialized, the process uses approximately 500 MB per analysis thread (CPU core), and the memory usage will not increase. The agent records JPEG images on a disc as the plates are recognized.


The agent software compatible with Windows can be obtained by clicking on the following link:

OpenALPR Windows Installer


We must run the software with administrator permissions, for this you have to right click on the installer and click on Run as administrator.

We close the other applications to run the agent correctly, then click Next.

We read and accept the license terms, then click on I Agree.

We choose the location where the installation files will be saved. If we want to change it, click on Browse and choose a route. Then we click on Next.

We clic on install.

To finish the installation, we make sure that the Configure OpenALPR Agent option is clicked and we click Finish.

Configure Agent

To connect the agent with our server, select the option On-Premises Web Server, then click on Next.

We place the following information:

  • Web Server: IP address of our OpenALPR server
  • E-mail Address: Email of the account super admin of our server.
  • Password: Password of the account.

Then click on Register

Immediately the following message should appear:

Then we clic next.

In the option Camera type we select IP Camera (Manual) and in Stream URL we place the url of the rtsp of our IP / DVR / NVR camera.

To know the RTSP addresses, visualize the following article:

RTSP of bands in SYSCOM

Then we clic on Test.

If everything is correct, an image of the camera will appear, then we click Save Camera.

We give a name, then we clic on OK.

Then we set the number of cores that this camera will use, the storage size of the images, the type of plate (here you have to select North America since the size of the plate is from).

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