If you use Linux, Rawstudio implements the fft3d-filter de-noising and sharpening algorithm, with a similar functionality to 'limitedsharpen' added on top. Obviously it is only a 2D version.
Almost all code was re-written, since ff3dfilter was very inefficient in terms of multithreading. All paramters have been combined in to a single "luma denoise" and "chroma denoise" and "sharpen" values.
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Regards, sh0dan // VoxPod
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