So I was looking into a better vision tracking setup for our team because right now we have what is supposed to be the worst setup of a rpi 3 and usb camera and it doesn’t seem to want to track the game pieces very well on the Photonvision software. I was hoping for some insight on other vision tracking setups on a budget and maybe even a fix to our current botchy tracking. I was thinking maybe a rpi 3/4 with snake eyes.
as far as available and cheap. Get the Snake Eyes and a Raspberry Pi Camera. For Photonvision you’ll want a Pi 3 over a Pi 4 if possible as there is support on Pi 3 for GPU Acceleration of the image processing.
Ok, we have a 3 so we’ll just keep that and connecting a usb camera for goal vision is possible and wont affect a performance right. Also is this the right snake eyes and is this camera compatible?
That is the Snake Eyes. Just be aware of the two versions, the Green and InfraRed options. If you get the InfraRed, you will want to make sure to get the noir
version of the camera.
For the Camera, that one should be physically compatible, though it is not the official Raspberry Pi Camera and don’t know off hand what PhotonVision’s Support/Recommendations are on 3rd party Pi Cameras. The Arducam may or may not be fine.
As for a second USB Camera, I am pretty sure Photon Vision supports that functionality, but IDK what the performance/options for it are.
Doing a bit of research I can’t confirm 100% that the Arducam will work perfectly, however it does claim to use the same sensor as the Raspberry Pi Cam v1 (which is no longer for sale), which is the recommended version to use for vision according to PhotonVision’s Supported Hardware Page due to the smaller Field of View (FoV) of this sensor.
yea I heard about that FOV thing from my mentor so if this works right that’ll fix our main issue moving forward with the snake eyes
I personally bought the camera since its on sale and since I have quite some time I won’t by the snake eyes until next week. I will get back to you on whether it works maybe not so soon.
Thanks!!!
Yeah, you can plug the USB camera in. The v1 ov5647 is the way to go. I somewhat regret the noir version snakeeyes particular for targets being confuse for lights this year.
While the Infrared option may be tempting; I would reckon that the majority of people would rather be blinded with green light rather than invisible light. If you do get the infrared version, please keep everyone around the robot aware of when it is currently shooting light everywhere that you cant see. afaik there is no real benefit to the IR version, especially given the safety hazards.
The Eye Safety application note for the emitters used is a good resource.
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