Looking for LPR software for Blue Iris

steve9380

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Can anyone tell me what software will work in Blue Iris for license plate reader.

Thank you.
 

steve9380

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been trying Openalpr for days and cannot get it to read. So far it has only picked up 2 license plates. I am using a good dahua Z12.
 

fenderman

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been trying Openalpr for days and cannot get it to read. So far it has only picked up 2 license plates. I am using a good dahua Z12.
start a thread posting images and details...there are openlpr users who can help you
 

fenderman

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Hello,

ANPR software XXXXXXXXXXXXXXXXXX
Recognize license plates from many countries in real time without triggers;
Work with different sources: IP cameras, WEB cameras, analog cameras connected through video cards, video files (AVI, MP4) and photos;
Control devices (barriers, lights, etc.);
Send emails and display alarms in user screen on events;
Communicate with GSM device;
Send data with POST or GET commands to your web server;
Has it‘s own web client server;
Much more...
Are you going to spam without disclosing that you work for them or how much the product costs?
 
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DLONG2

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Wow, what a find, this openalpr.com! It's finding and reading the plates on my highly-zoomed Dahua HFW5231EZ5 camera just fine. Free for 2 days of storage. It's not clear whether a new user on a 'Professional trial for 14 days' gets all the features which the free service provides, though, but I am impressed.
 

LucyM

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DsineR

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Using Plate Recognizer, is there anyway to mask out an area so it's not detected? PR is picking up parked neighbors cars across the street, maxing out my 2500/month limit very fast. OpenALPR has this feature, but it's a massive resource hog.
 

LucyM

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Blue Iris has a bunch of motion detection features you can use to basically "highlight" the area that you want to pick up the photo for LPR. You can also try Zone A to Zone B in your motion detection also. I'm sure there are other BI motion detection experts out there -- of which I'm not one!
 

DsineR

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Correct on BI motion detection features, but that does not have an impact on what Plate Recognizer (or OpenALRP) uses to detect a license plate. If there is a readable plate in the picture, both services will attempt to read the plate - regardless on BI's motion settings. The 'Detection Mask' feature in Open ALRP allows you to block out an area of the image from plate detection, looking for a way to do that in PR.
 

erkme73

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Correct on BI motion detection features, but that does not have an impact on what Plate Recognizer (or OpenALRP) uses to detect a license plate. If there is a readable plate in the picture, both services will attempt to read the plate - regardless on BI's motion settings. The 'Detection Mask' feature in Open ALRP allows you to block out an area of the image from plate detection, looking for a way to do that in PR.
Did you ever get this resolved? I just stumbled upon your thread and wonder if the camera itself doesn't have some kind of privacy mask you can enable...
 

DsineR

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No resolution, but have not went back to Plate Recognizer in a while. Should check in with PR to see if there are any new features.
 

erkme73

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I was just playing around with it over the last few days, and in my application, it is completely useless. I have VERY low vehicle traffic - maybe twice per day (usually UPS and USPS). When I review captures on BI, I can clearly see tags coming and going. However, with the way BI and PR work together, it apparently fires with every trigger (rain drop, shadow, bug, etc). I had over 150 submissions just this morning. Ironically, it did NOT send the very legit image of the mail carrier's vehicle.

What's worse is, I have an overlay at the bottom of my cameras showing date/time/FPS/kBps/temp, etc. Even though I'm recording direct-to-disc - which precludes those overlays being present on playback, apparently the snapshot/alert image that is sent to PR includes the overlay. So, every time it does trigger, it sees the overlay time/date text and tries to do OCR on it. Thus I have a dashboard full of 60-70% confidence scores that a car with the tag 01-18-2020 just drove by. It's a joke.

I'm open to tweak it and give it another try, but I don't see any how-tos or help sections that address any configurations.

1579379424561.png

And, for comparison, this is the image of the same van as it pulled away from the mailbox:

1579379766361.png

Of course, BI didn't send even a single frame with the full vehicle in the view to PR. 150 frames sent. SMH.
 
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