Step 1. Sign up on Plate Recognizer.
Step 2. You will be given a Plate Recognizer API Cloud Token in app.platerecognizer.com/accounts/plan/
Please note that the Free Trial API Cloud Plan has a 1 lookup per second limit. If you send more than 1 lookup per second, the other image(s) within that second will be ignored by our Snapshot API Cloud.
Step 3. In Blue Iris, select the camera you want for ALPR. Then select Trigger Tab.
In the Trigger Tab, make sure to select Store alert images as hi-res files. Make sure that the filesize is under 3 MB.
Step 4. Check Plate Recognizer for ALPR. Then click OK.
Step 5. In the Blue Iris Main Page, click on the Settings icon in upper left corner.
Step 6. Select the AI tab.
Select Enabled under Plate Recognizer and then enter your Plate Recognizer Cloud API Token.
Click OK when done.
Blue Iris has many features and capabilities to set up motion detection for LPR. We recommend you watch this helpful video from Cajoling Technologies on Blue Iris Motion Detection.
Motion Sensor: You can set the minimim object size (# pixels) to reflect a vehicle image in your camera.
Make sure the default option (Highlight: Do not highlight the motion) is selected. This way, Blue Iris will not include a rectangle in the image it sends to Plate Recognizer.
Minimum Duration (Make Time): This should be set to 0.1 second, which means that the car will need to be there for 0.1 second before it triggers.
Setting the motion detection triggers correctly is important–otherwise, you will incur unnecessary lookups on your Plate Recognizer Snapshot account.
Object Detection: In the Motion Sensor page (screenshot above), click on Edit in Object Detection.
Here, you can indicate that the object must travel for a specified number of pixels (e.g. 100).
You can also have Blue Iris send an image to Plate Recognizer when the object crosses zones:
Zones: You can create and edit zones. Just click and drag to set areas of the image.
You can specify multiple zones. Zones may or may not overlap. In the screenshot below,
For more advanced motion sensor options that you may want to try out, refer to the Blue Iris PDF Support Doc. You can view the Support Docs by selecting Help within the Blue Iris application. From there, navigate to Cameras > The Motion Sensor section.
Option 1: View ALPR results on Plate Recognizer Dashboard.
To access the Dashboard, just sign in to your Account page: app.platerecognizer.com/accounts/plan/
Option 2: View ALPR results in Blue Iris alerts. As an example, see the 2 LPR alerts below highlighted in the red rectangle.
Able to see LPR results in ParkPow? If not, then make sure to:
If you are still stuck, then Contact Us and include a screenshot of a vehicle passing through the camera.
Let us know and we’d be happy to assist.
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