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Old 27th December 2015, 02:51   #4  |  Link
geometer
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Join Date: Dec 2015
Posts: 59
Yeah thx, if it really uses the same algorithm. (not formally but the principle. from experimenting, generalconvolution seems to be IIR, not FIR)
It's not a big deal, as the task-manager tells it is AviDemux that eats 80% CPU).

On another note, which is the corresponding filter in AviSynth, for the Convolutional Sharpener preset in AviDemux? Does it exist? Is the kernel known in exact coefficients? (Didn't search for the sources).
Because we could do a matrix multiply then.
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