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I am recording and streaming live from lecture halls, and I need to correct perspective to ensure that large blackboards are not distorted/skewed. As we are streaming multiple lectures simultaneously using automated systems, we cannot have a computer hooked up. So I am looking for a hardware based solution that perform the the same as mimoLive’s “Deskew Filter”.

mimoLive

Searching the internet I have only found one solution (AlphaEye) for this, but the company does not exist anymore. The video feed is an SDI signal, but a solution for HDMI or RTSP would also work.

If anyone knows of such a device, I would really appreciate a link.

Thanks

Glorfindel
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Bjarke Rahbek
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1 Answers1

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By far the cheapest solution will be to put a computer in the chain.

If you can stream the video using OBS, there is a 3D transform plugin that can transform/corner pin a video to adjust the perspective.
I haven't used it though.

  • Thanks for your input, but I would prefer to have the correction done in a hardware component. I am looking for a very stable solution that can run 24/7/365 and where I don’t have the hassle of OS-updates. – Bjarke Rahbek Feb 21 '22 at 12:03