IR for ALPR
- Thread starter MikeLud1
- Start date
Here is a nightshot of the camera area in non-night mode. Area is lit up pretty damn bright with those IR.
Part of it also is what kind of plates are being used.
That is not a straight on shot but is pretty angled. If they are not using the coating/paint that has multi-reflective properties to reflect the light back to the source, then it can make it difficult regardless of how much IR is being thrown at it. The states using the old coatings allows for a much larger angle to still get plates.
And then the new 3M printed plates forget about it.
That is not a straight on shot but is pretty angled. If they are not using the coating/paint that has multi-reflective properties to reflect the light back to the source, then it can make it difficult regardless of how much IR is being thrown at it. The states using the old coatings allows for a much larger angle to still get plates.
And then the new 3M printed plates forget about it.
I think I am at about 25% at the end point. The angle gets steeper the closer they get. I think that bush on the right is about to a midnight chop down.
Done. I noticed I don't have the exact same settings under 3D NR. Is my firmware not the latest or something?
I have something called grade....
I have something called grade....
Alright. I’ll try to upgrade to that.
I just chopped down some more bushes along the street to decrease the angle. We will see how it goes.
Unless there is a good reason to upgrade, like solving a problem, it is not recommended to upgrade firmware on cams.
+1 above. I doubt having 2D and 3D will do much for plates.
I upgraded my LPR once to try to get that and almost bricked it.
I upgraded my LPR once to try to get that and almost bricked it.
Flintstone61
Known around here
So I put in the recommended settings, moved the camera a little further out to make the angle more acute. Captured a few plates during the day. All was great.
After it got dark, I put on the night vision goggles and pointed the center of the emitter to where the cars go. I really have it dead nuts on.
Drove up and down the street. Going away I got this. Coming in was better, it got the plate. Still, pretty shitty and worse results...
After I came in, I looked at the results I got from another car BEFORE I pointed the emitter. I got this which is pretty damn good.
Is it possible I am getting TOO MUCH light from the emitter if I aim it to well? Does this mean I should dial back the Iris?
After it got dark, I put on the night vision goggles and pointed the center of the emitter to where the cars go. I really have it dead nuts on.
Drove up and down the street. Going away I got this. Coming in was better, it got the plate. Still, pretty shitty and worse results...
After I came in, I looked at the results I got from another car BEFORE I pointed the emitter. I got this which is pretty damn good.
Is it possible I am getting TOO MUCH light from the emitter if I aim it to well? Does this mean I should dial back the Iris?
The first two images looks more like a focus issue than anything else.
I wouldn't call your first two having too much IR as the result would be a lighter/whiter plate compared to a blur.
I wonder if your plate and that plate or two different types of materials?
I wouldn't call your first two having too much IR as the result would be a lighter/whiter plate compared to a blur.
I wonder if your plate and that plate or two different types of materials?
Got a good one after.
Attachments
