pokey9000 Wrote:
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> One alternative you might consider is an IR LED on
> the end effector, and two webcams at 90 degrees
> facing the work envelope, with OpenCV to do point
> tracking. A couple of IR filters over the cameras
> would make this easier. You'd probably have some
> dead spots though when the effector hides behind
> an arm...
This has the same problem as the previous webcam solution. Your webcam resolution and lens distortion are limiting factors on your calibration.
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> One alternative you might consider is an IR LED on
> the end effector, and two webcams at 90 degrees
> facing the work envelope, with OpenCV to do point
> tracking. A couple of IR filters over the cameras
> would make this easier. You'd probably have some
> dead spots though when the effector hides behind
> an arm...
This has the same problem as the previous webcam solution. Your webcam resolution and lens distortion are limiting factors on your calibration.
