Motion Detection best practice.

Walrus said:
No you weren't. What's happened is BI detected the hardware acceleration not working when you set them to H.265, and on the camera setting video tab, it automatically changed the hardware accelerated decode to 'None'
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You also have your 2MP cam set to 30FPS, which is unnecessary.
Set the 2MP to 15FPS and 4096 bitrate.
Set the 8MP to 15FPS and 16384 bitrate.
Change the VBR to 4. When set to 6(Best) I find it's barely any different than CBR.

Also, your terminology is incorrect. 2MP isn't 2K. It's 1K, but you don't even call it that.
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Thanks for the correction, at these bitrates what's the set I frame interval?
 
I-frame interval relates to the FPS, not the bitrate.
Set it the same as the FPS (15). It normally defaults to double the FPS (30).

Change those 2MP cams back to H.264H, and go back and set the hardware accel to default. Otherwise you are not using hardware accel on those.

The bitrates I gave are for H.264.
If you keep them at H.265, you can cut the bitrate down (theoretically in half), but H.265 will use up more CPU.
 
@Walrus done!

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I kept the sub-stream because I occasionally look at the cams through the app new toy you know how it is.

For some reason I was under the impression that Quality was everything when it came to surveillance why would you lower the VBR of a 4k and 2mp cam? Just curious?
 
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looney2ns said:
*15fps is plenty for survielence, once you get used to viewing it, even 10fps works just fine.
*Turn OFF smart codec in the cameras, that is propitiatory and only works with Dahua NVRs'.
*You don't need 10gb reserved for alerts. Alerts are just markers in the recorded file, set it to 0, unless you have "Save alerts as Hi-Res inabled, which you don't need.
*Don't change settings until you understand why you would want to change them.
*Shorter make times will increase the amount false motion detection, 1.0 sec is a good starting point, then go a 10th or 2 higher and test with the Motion. You WON"T get this figured out in one afternoon.

Setting Object detection and contrast more sensitive with increas the false motion dection. You set for your situation, by making a change in settings, then testing. Read the BI help file. And this: Optimizing Blue Iris's CPU Usage | IP Cam Talk
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@looney2ns I have question for you, isn't quality the name of the game here? If you catch someone doing bad things don;t you want the best picture to be able to identify them so it holds in court and such?

IDK I don't know jack just trying to learn from the wiser who have been doing it a while and I have read a giant majority of all your reviews hence why i got the cameras i did. I just want to be able to get the best quality image I can with my current setup.
 
Does the app pull from the sub-stream? I don't use it.

4 is the recommended setting by most users on here, it'll cut back on your file sizes when there is no change frame to frame.

I have my 2MP cams at 6, and 6144 bitrate, but I only have 3 cams, so my 8TB drive gives me 5.5 weeks footage.
 
Walrus said:
Does the app pull from the sub-stream? I don't use it.

4 is the recommended setting by most users on here, it'll cut back on your file sizes when there is no change frame to frame.

I have my 2MP cams at 6, and 6144 bitrate, but I only have 3 cams, so my 8TB drive gives me 5.5 weeks footage.
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Forgive my ignorance but I don't follow, I only have x2 2MP cams why wouldn't I do the same?
 
Bluediamond said:
@looney2ns I have question for you, isn't quality the name of the game here? If you catch someone doing bad things don;t you want the best picture to be able to identify them so it holds in court and such?

IDK I don't know jack just trying to learn from the wiser who have been doing it a while and I have read a giant majority of all your reviews hence why i got the cameras i did. I just want to be able to get the best quality image I can with my current setup.
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FPS isn't quality. MP and bitrate is.

A lower FPS will just mean a person moving, will move farther each frame. But if you have a high enough bitrate to match your MP like I suggested, each frame will yield a high quality picture.

Note, if you do change your FPS, you need to up the bitrate to match. If you change the FPS to 30 but keep the bitrate at 4096, you'll have half the data per frame. The recommendations I gave you for 2MP and 8MP were based on 15FPS.
 
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Walrus said:
I only have 3 cameras total. You have 5. I have storage to waste, until I get more cams/higher MP.
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So i plan to add another possible 2-3 more cameras you think there is any benefit at all over 2k,2mp, or 4k? I know that point I might have to invest in an additional 10TB HD as well.
 
You do understand that more cameras require more storage (to achieve the same storage duration), but also that higher MP cameras require more compared to lower MP?

Eg, roughly, if you have one 8MP camera, it has the same storage requirement as four 2MP cameras?

Do some reading, or a lot. You need to understand better what you have and what you are doing.
 
Walrus said:
You do understand that more cameras require more storage (to achieve the same storage duration), but also that higher MP cameras require more compared to lower MP?

Eg, roughly, if you have one 8MP camera, it has the same storage requirement as four 2MP cameras?

Do some reading, or a lot. You need to understand better what you have and what you are doing.
Click to expand...

I do, hence why I added that I would need to invest in additional 10TB HD. My question to you was do you see any benefit in investing in another set of 8mp cams if I am going to get the same quality as a 2MP or would I be better off in adding a x2 2K cams instead I only choose the IPC-HDW5231R-ZE & the IPC-HDW4831EM-ASE because of @looney2ns bad ass reviews. But maybe @EMPIRETECANDY has better cams now.
 
The general guideline on here is to choose sensor size first, for low light/night performance. Your 8mp cams have 1/2.5" sensors. Those were good a few years ago, but there are better cams now with 1/1.8" sensors. And that's not the whole story, as when you look at a sensor size, a lower MP cam will perform better than a higher MP, as with less pixels you get more light per pixel.

Read through the many reviews here about the newest cams and sensor sizes:
Dahua

Eg this one:
Review-OEM 4mp AI Cam IPC-T5442TM-AS Starlight+
 
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Walrus said:
FPS isn't quality. MP and bitrate is.

A lower FPS will just mean a person moving, will move farther each frame. But if you have a high enough bitrate to match your MP like I suggested, each frame will yield a high quality picture.

Note, if you do change your FPS, you need to up the bitrate to match. If you change the FPS to 30 but keep the bitrate at 4096, you'll have half the data per frame. The recommendations I gave you for 2MP and 8MP were based on 15FPS.
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VBR changes this game a bit.
Doubling framerate with VBR doesn't mean you need double the bitrate, because there will be less changed data between frames. Yes, it will eat more bandwidth, but you have to also remember that you only specify the absolute maximum bandwidth allowed. This means that even when changing framerate, you most likely will not lose any quality between frames.
It's also recommended to adjust the i-frame interval when changing framerate.
 
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Walrus said:
The general guideline on here is to choose sensor size first, for low light/night performance. Your 8mp cams have 1/2.5" sensors. Those were good a few years ago, but there are better cams now with 1/1.8" sensors. And that's not the whole story, as when you look at a sensor size, a lower MP cam will perform better than a higher MP, as with less pixels you get more light per pixel.

Read through the many reviews here about the newest cams and sensor sizes:
Dahua

Eg this one:
Review-OEM 4mp AI Cam IPC-T5442TM-AS Starlight+
Click to expand...

@Walrus that looks like sweet cam is that the best 4MP cam our right now?

I think I might buy two of them, need one that has a really good nighttime sensor so thanks for the info on the new 1/1.8 stuff great read.

So you have an idea this is what my current setup looks like right now the x2 extra cameras would be for one facing the front left of my home and the other towards the back gate. That one much like perim1 and byard1 would be in complete darkness. The one facing the font left would look much like the frontdoor cam plenty of homes with lights.

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Bluediamond said:
@Walrus that looks like sweet cam is that the best 4MP cam our right now?

I think I might buy two of them, need one that has a really good nighttime sensor so thanks for the info on the new 1/1.8 stuff great read.

So you have an idea this is what my current setup looks like right now the x2 extra cameras would be for one facing the front left of my home and the other towards the back gate. That one much like perim1 and byard1 would be in complete darkness. The one facing the font left would look much like the frontdoor cam plenty of homes with lights.

View attachment 48622
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I would pan the Area_51 camera to the left and down a bit so you don't have the IR off the wall and soffit. Exposure in the areas you need to see will be better. Other cams could use some adjusting as well to prevent IR reflection affecting exposure.
 
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105437 said:
I would pan the Area_51 camera to the left and down a bit so you don't have the IR off the wall and soffit. Exposure in the areas you need to see will be better. Other cams could use some adjusting as well to prevent IR reflection affecting exposure.
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I did my best to adjust it to the point I would not see so much wall. That was the best I could do in some of the areas especially the Perimiter1 without ruining the point of interest and or purchasing a mounting bracket.
 
Bluediamond said:
I did my best to adjust it to the point I would not see so much wall. That was the best I could do in some of the areas especially the Perimiter1 without ruining the point of interest and or purchasing a mounting bracket.
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Understood... I have 8 cameras now and had to adjust a few for this same reason. Made a big difference at night.
 
How is it mounted? On the wall, or under the eaves on the soffit? Can you remount the camera out further? I'm guessing you are wanting to fully see the front walkway?
 
Walrus said:
How is it mounted? On the wall, or under the eaves on the soffit? Can you remount the camera out further? I'm guessing you are wanting to fully see the front walkway?
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Hi, @Walrus yes these are mounted directly on the wall I could mount them further but I would have to buy mounting brackets and the designated Junction box. This camera in particular come out of the soffit of the roof, into a small pvc runner and then directly on the wall. I might have to get a junction box to bring them out just a bit further if I can't adjust any more the angles.
 
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