Recent content by Garrik

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    Best way to guide a PTZ camera outdoors at long range

    Yes, for sure. For me, there are two related but quite different goals here. One is to detect "threats" (trespassing, either by a vehicle or a human), and take some action (alert a human, sound an alarm, close a gate, etc). The other is to take pictures of the "threat" for later use during...
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    Best way to guide a PTZ camera outdoors at long range

    Yeah, I am reaching that conclusion rapidly - but am hoping that intelligent use of PTZ may help. My use case is essentially a perimeter defense situation. I have maybe a thousand feet of fence line that I need to watch, in hilly brushy terrain. The only good news here is that I do have...
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    Best way to guide a PTZ camera outdoors at long range

    I had a pretty depressing incident a few days ago in which neither of the "ai" software systems that I am evaluating were able to identify a face on a 5MP camera at about 25 feet distance (admittedly pretty wide view). Both vendors claim that the pixel density was just not high enough. I am...
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    Garrik's Lunatic Eval Thread

    A few updates. I have now installed both Wisenet/Hanwha cameras, the Axis Q1700 ALPR camera, and one Empiretech/Dahua camera. I have both the Lumana and Spot AI IVR boxes running. Conclusions/findings so far: The build quality of the Axis Q1700 and the Wisenet XNO9082 are a significant step...
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    Garrik's Lunatic Eval Thread

    Ok, in case anyone wants to follow along, here we go. I realize that around here we take as gospel that EmpireTech cameras are the way to go. And I am not going to try to convince anyone otherwise. But I am an engineer, and I am going to do my own evaluation based on my own criteria. Full...
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    Why do "high end" cameras use a 1/2.8" sensor?

    Yep, figured that out on the first day lol And generally speaking, all of that makes good sense to me (I am an engineer, and quite technical). I do think that for me, there are a bunch of other factors at play - build quality (plastic vs metal), lens quality (plastic vs. glass), software (ease...
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    Why do "high end" cameras use a 1/2.8" sensor?

    RIght you are - my mistake and apologies. Axis P1468 for example, 4k camera with 1/1.2" sensor, or Q1808 with a 4/3" sensor. I should have searched harder. "Also big PRO CCTV companies do classic CCTV where at night You simply use IR and black&white mode.. Night Full Color thing is specific...
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    Why do "high end" cameras use a 1/2.8" sensor?

    Been reading the excellent posts here on resolution/pixel count vs. sensor size. Makes total sense. Until you realize that all of the "high end" cameras from companies like Axis and Hanwha use 1/2.8" sensors in all of their cameras, even their X series 4K cameras. Does anyone know why that...
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    Garrik from San Francisco here...

    Have had quite a journey trying to secure a medium sized ranch property in the mountains near here. Started out with very cheap consumer cameras, wasn't happy with the software and cloud access. Current solution is a combination of Ring (with motion sensors and door entry sensors as well as...
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