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Joined: 9/29/2020(UTC) Posts: 3  Location: NDS Was thanked: 4 time(s) in 2 post(s)
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Hey guys,
I guess it´s a underrated problem, but I´m sitting at a regular meeting with a projector with Powerpoint on it, and one camera at the presenting guy.
Everybody here uses the Laser-Pointer to highlight something at the projectors image. As you can image - I don´t get it in my vmix because I built a PIP with PPT via SDI and camera-video.
I had the idea to develop a peace of software where you align a camera to the projector - put this SDI to one of you inputs. And my tool will process the video and will send you just the laser (or replaced with an png) via a browser or virtual camera ndi that you can use it as an overlay above the ppt.
With this post I just want to check if there is a generall requirement for a tool like this.
Have a good time
Mats
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 1 user thanked bubu2110 for this useful post.
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Rank: Newbie
Groups: Registered
Joined: 7/29/2020(UTC)
Posts: 5
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Hi!
Came to the forum looking for something related: as we sometimes use vmix for a streaming classroom, it could be great to have a "transparent" overlay with just the mouse pointer (or whatever) on top of the videos/images or whatever input you would like to show. Are you talking about the same (more or less)?
Thanks!
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Rank: Advanced Member
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Joined: 11/23/2020(UTC) Posts: 170  Location: Wichita Thanks: 10 times
Was thanked: 24 time(s) in 20 post(s)
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Originally Posted by: bubu2110  Hey guys,
I guess it´s a underrated problem, but I´m sitting at a regular meeting with a projector with Powerpoint on it, and one camera at the presenting guy.
Everybody here uses the Laser-Pointer to highlight something at the projectors image. As you can image - I don´t get it in my vmix because I built a PIP with PPT via SDI and camera-video.
I had the idea to develop a peace of software where you align a camera to the projector - put this SDI to one of you inputs. And my tool will process the video and will send you just the laser (or replaced with an png) via a browser or virtual camera ndi that you can use it as an overlay above the ppt.
With this post I just want to check if there is a generall requirement for a tool like this.
Have a good time
Mats The best I can think of would be to have someone build a reverse "green screen" that's set to pick up only the color of the laser and would need to be able to adjust it if laser pointer is a different color. It shouldn't hurt having image colors the same as the laser pointer as long as they exactly overlay the original image which is a situation you'd normally want anyway.
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Rank: Advanced Member
Groups: Registered
Joined: 2/18/2014(UTC)
Posts: 1,837
Location: Stockholm
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Originally Posted by: bubu2110 I had the idea to develop a peace of software where you align a camera to the projector - put this SDI to one of you inputs. And my tool will process the video and will send you just the laser (or replaced with an png) via a browser or virtual camera ndi that you can use it as an overlay above the ppt.
With this post I just want to check if there is a generall requirement for a tool like this?
Mats Sorry Mats, not for me. Better is https://www.logitech.com...n-remote.910-004862.html
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