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The V-Ray installation includes a standalone denoising tool called vdenoise that can be used to denoise still images or animations outside of V-Ray for SketchUp. This is especially useful for animations because the standalone tool can assess multiple frames at once and produce a better denoising result. The vdenoise tool works with either .vrimg or multichannel OpenEXR files and writes out files with the same format.
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||Extenssions|| > V-Ray > Tools > External > V-Ray Denoiser
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Installation
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The vdenoise tool is a part of the V-Ray for SketchUp installation pack. You can quickly open a command prompt in the folder where the vdenoise tool is located, or run the executable to bring out vdenoise's GUI.
| Windows | C:\Program Files\Chaos\V-Ray\V-Ray for SketchUp\extension\vray\bin\vdenoise.exe |
| macOS | /Applications/Chaos/V-Ray/V-Ray for SketchUp/extension/vray/bin/vdenoise.bin |
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For versions prior to V-Ray 7, the default locations are: Windows: C:\Program Files\Chaos Group\V-Ray\V-Ray for SketchUp\extension\vrayappsdk\ |
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: /Applications/ChaosGroup/V-Ray/V-Ray\ for\ SketchUp/extension/vrayappsdk/bin/vdenoise.bin |
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Generating the Needed Render Elements
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The denoiser needs several render elements in order to work optimally. The easiest way to generate these render elements is to add the VRayDenoiser Render Element to your SketchUp scene.
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Offsetting the Denoiser Output
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-frames=0-20 -outputOffset=-4