zmeventnotification exclusion for known vehicles

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h1pp13p373
Posts: 10
Joined: Sat Jun 27, 2020 4:43 pm

zmeventnotification exclusion for known vehicles

Post by h1pp13p373 » Wed Jul 08, 2020 4:11 pm

Hey Y'all,

I'm on kubuntu 20.04 with zoneminder 1.34.16 and have zmeventnotification working. It's pretty amazing!

My question is, is there a way to exclude my vehicle, or known vehicles? Many times, I'll get alerts triggered due to birds or bugs flying in front of the camera. Zmeventnotification will check and see my truck, and alert on the detected vehicle. This became more of an issue when I started testing alpr. Each detection is an api call against my 2500/month account at platerecognizer, so I want to stop the calls that are not necessary.

Here's a picture that says it all. The woodpecker set off the alarm, then my truck was detected and an alpr call made. In this specific case, it detected the woodpecker as a person, but usually it's just the motion that triggers, then the truck that's detected.

Image

Thanks!

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asker
Posts: 1419
Joined: Sun Mar 01, 2015 12:12 pm

Re: zmeventnotification exclusion for known vehicles

Post by asker » Wed Jul 08, 2020 6:46 pm

consider enabling match_past_detections in objectconfig.
Please don't ask me questions via PM. Feel free to post in the forums or Github

My collection of ZoneMinder learnings:
https://wiki.zoneminder.com/Various_ZM_thoughts

h1pp13p373
Posts: 10
Joined: Sat Jun 27, 2020 4:43 pm

Re: zmeventnotification exclusion for known vehicles

Post by h1pp13p373 » Thu Jul 09, 2020 1:28 pm

Thanks again, Asker! I already have it set to 'yes' and still get repeat alerts. I also found:

52 past_det_max_diff_area=5%

I'll try messing with that value...

h1pp13p373
Posts: 10
Joined: Sat Jun 27, 2020 4:43 pm

Re: zmeventnotification exclusion for known vehicles

Post by h1pp13p373 » Thu Jul 09, 2020 1:53 pm

I also noticed that the tag it read was 'LOREX'. lol It caught the camera's title stamp because it was about where the plate would be in a different camera shot of the truck. lol

This is the other angle:

Image

Removed that and upped past_det_max_diff_area to 15% and am testing....

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