Debug non alarm events

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Axelb1971
Posts: 7
Joined: Fri Aug 28, 2020 4:03 pm

Debug non alarm events

Post by Axelb1971 » Sun Apr 04, 2021 7:17 pm

Hi,

I have a new setup of ZM on a new hardware. I am using the same settings in the new ZM like in the in parallel running old ZM (other hardware). The new ZM misses a lot of events ...

I would like to debug the situation by analysing missed event pictures.

How does the pixel diff algorithm work? Is there a tool, which could calculate the pixel difference between two images like ZM to get some stats of the images and visualize the differences? The tool should use the same method of threshold for the pixel diff.

And is it possible to feed old events (or manual alarms without real alarm frames) to ZM to see how it reacts to it with different zone settings?

Any ideas?

Magic919
Posts: 477
Joined: Wed Sep 18, 2013 6:56 am

Re: Debug non alarm events

Post by Magic919 » Tue Apr 06, 2021 6:49 am

No such feature exists.

Did you copy over the DB and configs to the new machine?

Axelb1971
Posts: 7
Joined: Fri Aug 28, 2020 4:03 pm

Re: Debug non alarm events

Post by Axelb1971 » Tue Apr 06, 2021 7:00 am

No. It's a complete new setup using the same parameter and cameras ...

Magic919
Posts: 477
Joined: Wed Sep 18, 2013 6:56 am

Re: Debug non alarm events

Post by Magic919 » Tue Apr 06, 2021 8:09 am

And yet here we are.

Axelb1971
Posts: 7
Joined: Fri Aug 28, 2020 4:03 pm

Re: Debug non alarm events

Post by Axelb1971 » Tue Apr 06, 2021 9:46 am

Ok, I don't understand this. ZM compares images within zones pixel by pixel. If I have to different setups using the same zones and zoneparameters.

Why is one instance detecting alarms and the other one not? Both are using the same camera input.

Magic919
Posts: 477
Joined: Wed Sep 18, 2013 6:56 am

Re: Debug non alarm events

Post by Magic919 » Tue Apr 06, 2021 12:13 pm

I’d work on the basis they differ.

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