Match Real & Virtual Cameras in Unreal? Fast Calibration with Vive MARS & VP Toolkit for ICVFX

Learn how to set the correct camera settings in Unreal Engine and perform a precise camera-to-lens calibration. This tutorial demonstrates the VP Toolkit Plugin feature that utilizes a second Vive Mars Rover Tracking device on the front of the camera lens to accurately determine its offset relative to the on-camera Vive Mars Rover Tracking Device. Discover how easy it is to match real-life camera settings and manage multiple virtual camera setups using the Camera Widget features, tailored for ICVFX LED Wall or Projector Virtual Production. Perfect for filmmakers and virtual production enthusiasts looking to streamline their workflow and enhance their on-set capabilities.
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[@GTshortStories]

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[@yang5616]

Does it work on Redspy or Mosys?

[@vptoolkit]

Hi Yang, yes they are both compatible. Let us know if there's anything else we can answer. We are here to help!

[@adleralonsozamoraruiz7909]

@@vptoolkitWe understand you use the mars vive trackers for the pivot center and the lens offset but how would you do it for other systems then, redspy specifically for my case

[@vptoolkit]

@@adleralonsozamoraruiz7909 Thanks for reaching out!
Each system will have its own method for doing lens offset calibrations. I don’t actually know what the method is for the Red Spy but I believe it has a built in way of pointing the camera at multiple points and using that to get it’s exact offset from the lenses Nodal point. This is similar to the Mosys system.
If you need help with this please reach out on our website and we can setup a call, we have great contacts with Stype as we have worked on a few productions with them and could train you on whichever method is used.

[@홍성찬-j3q]

"Our studio is considering purchasing Vive Mars.
Currently, we're using the Vive Pro 2 VR HMD to implement ICVFX, but there's a slight delay in tracking.
Have you ever experienced slow or sluggish tracking speeds with the Vive Mars system?
I'm curious about the real-world performance of the Vive Mars tracking. Does it ever feel laggy or unresponsive during fast camera movements? How does it compare to other tracking systems you might have used in terms of speed and responsiveness?

[@vptoolkit]

Thanks for reaching out!
You will definitely get better tracking from the Vive Mars than a VR headset. I would have to see how much delay in the tracking you’re talking about. With almost all tracking systems for ICVFX there is a bit of delay from it needing to calculate its position and the data going a-crossed the network. We have found the network is normally the number one cause of the delay. The Vive Mars directly connects via ethernet so it uses a much faster connection than the Headsets would.
Let us know if you have any other questions! Sounds like if its in the budget, the Vive mars is a great add for you