add a delay filter for motion detection ?

Forum for questions and support relating to the 1.34.x releases only.
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add a delay filter for motion detection ?

Post by cornichon » Mon Jul 06, 2020 9:34 pm


I'm pretty new to zoneminder and work on setting my outdoor camera.
I have defined a few zones for motion detection.

During day, it work pretty good: it detect "humans" but do not trig on grass or tree moving with wind (I only capture a bird flying very close as unexpected trigger).

But at night I have an issue: the cam has IR leds and night bugs/butterflies show up in very bright white.
Some flies close to camera, so they leave a big white line on the picture that is triggering the motion detect... I had hundreds of those the 1st night.

Those bugs are kind of fast, so if I could filter/ignore events shorter than 1 or 2 second, I think it shall solve the issue.
I was not able to figure out if it's possible and how to do it ?

If not possible, any suggestions ?

Best regards,

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Re: add a delay filter for motion detection ?

Post by iconnor » Mon Jul 06, 2020 10:38 pm

YOu could look at how many alarm frames are in the event, and set the alarm frame count in the monitor that high. So it takes more than 1 alarm frame to trigger the event.

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Re: add a delay filter for motion detection ?

Post by mangocats » Sun Jul 26, 2020 1:17 pm

I'm using the dlandon/zoneminder docker image with 1.34.16 - in there, the Zone configuration form looks like this:


I have been using the "Overload Frame Ignore Count" the way you describe "set the alarm frame count in the monitor" - am I in the wrong form/menu, or is this correct?


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