This repository will have my flows for number plate recognition in node red
You can make it work with local recognition engin if you dont want to use web url for recognition
Install the following node
node-red-contrib-plate-recognizer
register for free 2000 requests from web here https://app.platerecognizer.com/
Get Token and update node with your token
curl -o /tmp/car.jpg https://app.platerecognizer.com/static/demo.jpg # Get an image
curl -F "upload=@/tmp/car.jpg" -F regions=us-ca \
-H "Authorization: Your token here" \
https://api.platerecognizer.com/v1/plate-reader