Reference Image Blend %ge

Forum for questions and support relating to the 1.26.x releases only.
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whatboy
Posts: 304
Joined: Mon Aug 31, 2009 10:31 pm

Reference Image Blend %ge

Post by whatboy » Wed Sep 04, 2013 10:10 pm

In 1.26 it is set to 12 as default... should I change it back to 7???

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knight-of-ni
Posts: 2334
Joined: Thu Oct 18, 2007 1:55 pm
Location: Shiloh, IL

Re: Reference Image Blend %ge

Post by knight-of-ni » Thu Sep 05, 2013 1:15 am

Looks like mastertheknife made that change about 2 years ago:
https://github.com/ZoneMinder/ZoneMinde ... d6d39680c0

He is the one that wrote the performance patch, which significantly reduced the amount of cpu resources required by zoneminder. I'd leave it at 12 unless you have a reason not to.
Visit my blog for ZoneMinder related projects using the Raspberry Pi, Orange Pi, Odroid, and the ESP8266
All of these can be found at https://zoneminder.blogspot.com/

mastertheknife
Posts: 679
Joined: Wed Dec 16, 2009 4:32 pm
Location: Israel

Re: Reference Image Blend %ge

Post by mastertheknife » Sun Sep 08, 2013 5:06 am

Hi,

I'm actually not sure why i changed it, its been a long time.
Keep in mind that when fast blend is enabled (default), only these values are possible: 50%, 25%, 12.5%, 6.25%, 3.125% and 1.5%.
ZM rounds to the nearest one.

From my experience, 12.5% should be used for outdoors (because of clouds & weather changes) and 6.25% should be used indoors.
For outdoors you may also want to change "Alarm frame count" from 1 to 2 to reduce the amount of false alarms.

mastertheknife.
Kfir Itzhak.

whatboy
Posts: 304
Joined: Mon Aug 31, 2009 10:31 pm

Re: Reference Image Blend %ge

Post by whatboy » Sun Sep 08, 2013 9:28 pm

Thank you very much! both!

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