Kartaverse Stereo3D Lens Distortion Correction

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Andrew Hazelden

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Oct 11, 2023, 6:10:35 AM10/11/23

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This (silent) BMD Resolve/Fusion based Kartaverse demo video shows a stereo 3D compatible lens distortion correction fuse node called "kvrLensStereo". It supports several different lens correction models including Brown-Conrady, Panotools, and SynthEyes.

YouTube | Kartaverse kvrLensStereo Lens Distortion Correction

https://www.youtube.com/watch?v=DQRXX6SJ0Mw

The kvrLensStereo node is available for Resolve/Fusion in the Reactor Package Manager under the "Kartaverse/KartaVP" category in an atom package named "KartaVP Tools | kvrLens".

This node allows you apply lens distortion corrections interactively to circular fisheye or flat imagery. It supports stereo 3D image processing in Mono, or Dual In (separate stereo image inputs for the left and right eyes), Over/Under (Vertical), and Side by Side (Horizontal) stereoscopic layouts.

The node has been optimized to make 180VR stereo 3D filmmaking workflows a snap in Resolve/Fusion.

The typical node graph connections for using this node would be:
Loader/MediaIn -> GlobalAlign -> kvrLensStereo -> kvrViewer -> Saver/MediaOut

If you are tweaking the node parameters regularly, you can box select the GlobalAlign node and the Kartaverse nodes in the Flow view. You can then adjust several of the nodes at the same time in the Inspector window if you have your Fusion settings configured so the "User Interface > Controls > Auto control close" tools checkbox is disabled.

While you are using Reactor to update things, there is a copy of the legacy Google "VR180 Creator" app for macOS/Windows/Linux included in the Reactor "Bin" Category. This was rescued from an Internet Archive "Wayback Machine" snapshot of the Google VR180 tools website from near the end of 2018.