This is the common process for calibrating for camera distortion, and is utilized by PVPhoton Vision, an open source vision library for coprocessors as well.
If by that you mean having a public general calibration data for OV9281 cameras to be used by all, that’s not possible since the distortion can differ from camera to camera even from the same model.
I’m working on a camera calibration program and I found out just how blurry the LifeCams are with slight movement. I like my global shutters as you have recommended in your previous post above here.
Have you tried increasing the shutter speed?
If you decrease exposure to minimum levels, then this should be much less of an issue. For some reason, you can make a lifecam very dim and still find apriltags.
This. The Arducam ones we had this year are an itty-bitty JST connector (JST-ZH 1.5mm) and it is definitely the Achilles’ heel on these. Use hot glue, support and strain relief the cable, handle with care when mounting.
I bought a pack of the connectors to try making spare cables, but I haven’t been courageous enough to actually try crimping them yet - as I don’t have the official tool, I’m not sure I have much faith that I’llLimelight, an integrated vision coprocessor get a good result. JST-PH’s are hard enough and these are even smaller!
Another, lesser pain point is that many of these have exposed traces very close to the mounting holes, so consider either covering the back with insulating tape or using plastic mounting hardware. Brass standoffs/heat-set inserts can result in shorts that take the camera offline (though we were fortunate never to kill one this way, as far as I remember).
The casing I linked covers the back so you don’t need to tape it up. I definitely wouldn’t run one of these in free air.
Another option is to simply remove the connector and solder the cable. 115 was able to get new cables from Uctronics after some of ours broke as well.
Lots of Arducam replies, but are any of them USB?.. edit looks like they call them UVC
UVC stands for “USB Video Class”.
So yes they are all USB.
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