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re: General security camera discussion (was "Unifi Protect security cameras")
Posted on 1/22/24 at 3:30 pm to Lonnie Utah
Posted on 1/22/24 at 3:30 pm to Lonnie Utah
Looking at Reolink, I see some just say person/vehicle detection, is that what is meant by wasting time differentiating or is that a decent option?
Any input from you two about a good "starter" Reolink that is 4K with decent enough AI but doesn't have to be the best?
FWIW I want to know if there is a person in the yard and it's not a shadow or a tree branch, although I'm used to false alarms with my wifi stuff and it's not the end of the world. I don't care about having perfect recognition but I don't want to buy multiple generations behind, if that makes sense.
Thanks again, this is all so helpful.
ETA - Just saw the links above, thank you
Any input from you two about a good "starter" Reolink that is 4K with decent enough AI but doesn't have to be the best?
FWIW I want to know if there is a person in the yard and it's not a shadow or a tree branch, although I'm used to false alarms with my wifi stuff and it's not the end of the world. I don't care about having perfect recognition but I don't want to buy multiple generations behind, if that makes sense.
Thanks again, this is all so helpful.
ETA - Just saw the links above, thank you
This post was edited on 1/22/24 at 3:31 pm
2
Posted on 1/22/24 at 3:51 pm to Pettifogger
Here's what I can tell you about Reolink's AI. Most of the time, it works pretty well. Having it running for over a year now, I can say it's VASTLY superior to simple motion detection.
I can't say for certain, but I THINK the way it works is that on board it has the "basic" shape(s) of people, cars, trucks, and animals. When the camera detects motion, it looks for those shapes in the frame and compares it to is "database". If a shape from the database is present in the frame it triggers a motion alert either or the DVR by default or via a push notification over your phone.
Now, where I've seen the Ai go a little wonky, particularly with my PTZ camera, is if there is a car in the frame, and the camera detects other motion it will sometimes assign that motion as a "vehicle alert". I get this somewhat commonly when my neighbors park their car in their driveway. So what happens in, a car will drive by and trigger the tracking on the PTZ camera. It will pan and go to zoom in on the object. Since the cameras isn't smart enough to distinguish if the car is moving or the motion is coming from the motion of the camera, it will lock in and zoom in on the neighbors stationary car in the driveway (it's a black car up against a white house, so a high contrast object). For people and pets, it doesn't seem to be as big of a problem. FWIW, I also have another non-panning camera that covers that area.
I can't say for certain, but I THINK the way it works is that on board it has the "basic" shape(s) of people, cars, trucks, and animals. When the camera detects motion, it looks for those shapes in the frame and compares it to is "database". If a shape from the database is present in the frame it triggers a motion alert either or the DVR by default or via a push notification over your phone.
Now, where I've seen the Ai go a little wonky, particularly with my PTZ camera, is if there is a car in the frame, and the camera detects other motion it will sometimes assign that motion as a "vehicle alert". I get this somewhat commonly when my neighbors park their car in their driveway. So what happens in, a car will drive by and trigger the tracking on the PTZ camera. It will pan and go to zoom in on the object. Since the cameras isn't smart enough to distinguish if the car is moving or the motion is coming from the motion of the camera, it will lock in and zoom in on the neighbors stationary car in the driveway (it's a black car up against a white house, so a high contrast object). For people and pets, it doesn't seem to be as big of a problem. FWIW, I also have another non-panning camera that covers that area.
This post was edited on 1/22/24 at 5:49 pm
Posted on 1/22/24 at 4:06 pm to Pettifogger
The other good think about reolink cameras (and I assume most other brands) is that so long as the NVR is on the same wired/wireless network the NVR will detect it. So, if you can provide a camera with a wired ethernet connection (or wi-fi connection for their wi-fi cams) and 12v power, the NVR will add the camera to the network. I personally don't have any of my running that way currently, but I have set them up like that temporally and they work great. Unlink the blink camera and the like, since they're constantly powered, you don't have the wake up latency you do with conventional battery operated wi-fi systems.
I'm telling you this so you can think about how you want to layout your cameras to protect your property. If you absolutely can't get a cable to a location, but can supply power, you still have options.
Next time I'm home on the east coast I'm upgrading my dads ancient 480p system. I'll have to utilize the wi-fi option for one camera at the end of his driveway.
And now that I've told you the good things about Reolink, Korkstand will tell you the bad. At night, their framerates drop significantly, and you often get motion blur with fast moving or objects that are far away. This leads to ghosting and occasionally missed motion events (you still get a motion event on the NVR, but it doesn't post it as an AI (pet/person/vehicle) alert. This is why like like the camera versions with spotlights on them. The switch from b&W to color night vision when they detect motion. The only time I've ever really cared is when we had a mailbox thief in our neighborhood.
I'm telling you this so you can think about how you want to layout your cameras to protect your property. If you absolutely can't get a cable to a location, but can supply power, you still have options.
Next time I'm home on the east coast I'm upgrading my dads ancient 480p system. I'll have to utilize the wi-fi option for one camera at the end of his driveway.
And now that I've told you the good things about Reolink, Korkstand will tell you the bad. At night, their framerates drop significantly, and you often get motion blur with fast moving or objects that are far away. This leads to ghosting and occasionally missed motion events (you still get a motion event on the NVR, but it doesn't post it as an AI (pet/person/vehicle) alert. This is why like like the camera versions with spotlights on them. The switch from b&W to color night vision when they detect motion. The only time I've ever really cared is when we had a mailbox thief in our neighborhood.
This post was edited on 1/22/24 at 4:11 pm
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