Unsharp - an ffmpeg internal filter which uses OpenCL to sharpen So far I have only seen these GPU based filtersĭGDecodeNV for GPU decoding / deinterlacing (nvidia PureVideo) / resizing - in vapoursynth (Tools = ffmpeg and x264, portable vapoursynth_圆4, win10_圆4.) Any advice or links to comparisons somewhere ?Īnother objective is to attempt to identify GPU (eg OpenCL) based filters for the times when a fast workflow is OK, ie where some improved quality output is hoped for but not paramount and speed is valued. I wonder if you could clarify whether and when KNLMeansCL is appropriate to use as a plain denoiser by itself ? I noticed it's been used in SMDegrain however I am unclear if KNLMeansCL is appropriate for use as a denoiser in its own right, for example on a range of OTA TV captures for moderate denoising a la mdegrain1/2/3. A newbie type question, however worth asking since I find I am in need of guidance.
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