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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 Rhino. 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.
UI Path
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||V-Ray|| > Tools > External > V-Ray Denoiser
Installation
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The vdenoise tool is a part of the V-Ray for Rhino 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.
The vdenoise.exe is located in C:\Program Files\Chaos\V-Ray\V-Ray for Rhinoceros\vrayappsdk\bin.
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For versions prior to V-Ray 7, the default location is C:\Program Files\Chaos Group\V-Ray\V-Ray for Rhinoceros\vrayappsdk\bin. |
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 Denoiser to your Rhino scene.
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Offsetting the Denoiser Output
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-frames=0-20 -outputOffset=-4