FAQs

Questions About Plate Recognition

Why can't Plate Recognizer read this image?

Our service offers great reading accuracy but it won’t work in certain cases. As a rule of thumb if a human has a hard time reading the license plate, our service then may not be able to read it. If a human is able to read the license plate, we will most likely be able to read it too. The main use case for our service is automation.

Can I run the number plate recognition locally? Do you have an SDK?

Yes.  Our On-Premise SDK can run on your server or device.  The SDK does not need an Internet connection.  The SDK is a Docker container with a REST API.

What hardware requirements are needed for the On-Premise SDK?

You can see the requirements our sdk page.

Can I call the API from Javascript?

The API is not meant to be used from the client side (web browser). It would force you to make your secret API token public which is probably not what you want. It is better to interface with our service on a server instead.

How can I implement the API in programming language X?

You can find the documentation and examples of code on our API documentation page.

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How is your service better than an open source OCR solution?

We have added a number of algorithms in our LPR solution to take into account various real-life situations, such as blurry images, diverse lighting conditions, low resolution, images with vehicles taken from the side, etc.

How do I use curl on Windows?

Here’s an example:

curl -o c:car.jpg https://platerecognizer.com/static/demo.jpg

curl -F "upload=@c:car.jpg" -H "Authorization: Token my-unique-token" https://api.platerecognizer.com/v1/plate-reader

Is there a file size limit for the Cloud API and SDK?

Our Cloud API has a 3 MB file size limit. There is no file size limit on the SDK.

Need Help with LPR?

Let us know and we’d be happy to assist.

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