Show license plate unknown

[bartbutenaers]

Hi,

Not sure whether this feature request is possible to implement, but let's try.

When a car is detected, the license plate label is only shown when a license plate is detected:

In my case there is something wrong (see other issue), which causes some plates not to be detected. However in that case no label about lpr is showed at all (see above screenshot right side). Which is very confusing, because that way it isn't clear at all whether lpr is setup correctly for that camera.

I understand that car detection and license plate detection are two separate things in Frigate, but for me this is quite confusing when their results are combined on this single dialog this way: I see a car detected but no license plate information. I would expect that if a car is detected on my driveway, that it has always a license plate. And when that plate cannot be detected or recognized, that this is somehow visible on this popup (warning or label UNKNOWN or something like that...).

If something like this could be implemented, that would be very helpful for the family. Although I understand that this might not be useful for other people's use case, so I assume such a feature should only available when some new parameter would be set explicit by the user in the configuration.

Thanks for taking this into consideration!
Bart

[hawkeye217]

This is a limitation of the free license plate detecting model that ships with Frigate, which uses a completely separate detection pipeline than the main object detector.

Users employing a model that natively detects license plates (either a custom model or Frigate+) have the license_plate attribute associated with car, which, when detected, will show in the Object Lifecycle for the tracked object.