There are several threads that cover this, or at least comment in other threads. I get four pages of hits searching plate recognizer. I find it hard to believe that you got none.
This tread talks a little about the pros and cons.
Thought I would throw together a post on my experiences so far with LPR in an effort to help others that are considering running down that rabbit hole. There are some practical considerations you should know about LPR. I am approaching this from the position of using Blue Iris and Plate...